CN212897963U - Escape lock body - Google Patents

Abstract

The utility model discloses a lock body of fleing, include: a lock case; the inclined tongue piece is used for driving the inclined tongue piece to partially extend out of the lock shell; the self-locking device comprises a safety tongue piece, a self-locking piece and a self-locking elastic piece, wherein when the safety tongue piece retracts into a lock shell, the self-locking elastic piece is used for driving a first end of the self-locking piece to move to a blocking position, when the first end moves to a blocking position, the self-locking elastic piece is used for blocking an oblique tongue piece from retracting into the lock shell, the safety tongue piece is provided with a first convex shaft, and when the safety tongue piece partially extends out of the lock shell, the first convex shaft is used for driving the self-locking piece to rotate and enabling; interior handle thumb wheel, interior handle thumb wheel be equipped with be used for with the first baffle of self-locking piece butt, interior handle thumb wheel still be equipped with be used for with the driving lever part of oblique tongue piece butt, interior handle thumb wheel rotates when unlocking the position, first baffle is used for driving the rotation of self-locking piece and makes first end leave and block the position, and the driving lever part is used for driving oblique tongue piece indentation the lock shell, this application can realize unblanking fast, has higher theftproof performance simultaneously.

Description

Escape lock body

Technical Field

The utility model relates to a tool to lock technical field, in particular to lock body of fleing.

Background

Ordinary escape lock can be unlocked from the door handle of indoor one side or with the key, and can't unblank from the door handle of outdoor one side, escape door lock mainly used escape door, the user can be conveniently opened the door from indoor one side under emergency, ordinary escape door lock is in order to realize unblanking fast, only be provided with a latch bolt, the user is through rotating the door handle, can open the lock fast, however, the thief also very easily from the lock shell outside with the latch bolt pressure into the lock shell, perhaps use the sled lock instrument to prize latch bolt and square bolt, thereby prize the lock, consequently this kind of escape door lock that can unblank fast has very poor theftproof performance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a lock body of fleing can realize unblanking fast, has higher theftproof performance simultaneously.

According to the utility model discloses a lock body of fleing, include:

a lock case;

the oblique tongue component comprises an oblique tongue piece and an oblique tongue elastic piece, the oblique tongue piece is connected with the lock shell in a sliding mode, the oblique tongue elastic piece is connected with the lock shell, and the oblique tongue elastic piece is connected with the oblique tongue piece and used for driving the oblique tongue piece to partially extend out of the lock shell;

the safety component comprises a safety tongue piece, a safety tongue elastic piece, a self-locking piece and a self-locking elastic piece, wherein the safety tongue piece is connected with the lock shell in a sliding way, the self-locking piece is rotationally connected with the lock shell, the safety tongue elastic piece and the self-locking elastic piece are respectively connected with the lock shell, the safety tongue elastic piece is abutted against the safety tongue piece and is used for driving the part of the safety tongue piece to extend out of the lock shell, the self-locking elastic piece is connected with the self-locking piece, when the safety tongue piece retracts into the lock shell, the self-locking elastic piece is used for driving the first end of the self-locking piece to move to a blocking position, the first end is used for blocking the oblique tongue piece from retracting into the lock shell when moving to the blocking position, the safety tongue piece is provided with a first protruding shaft, when the safety tongue part extends out of the lock shell, the first convex shaft is used for driving the self-locking piece to rotate and enabling the first end to leave the blocking position;

toggle the subassembly, including interior handle thumb wheel, interior handle thumb wheel with the lock shell rotates to be connected, interior handle thumb wheel be equipped with be used for with the first baffle of self-locking piece butt, interior handle thumb wheel still be equipped with be used for with the driving lever part of oblique tongue piece butt, interior handle thumb wheel rotates extremely when the position is unlocked, first baffle is used for driving the self-locking piece is rotatory and makes first end leaves the position of stopping, the driving lever part is used for driving oblique tongue piece indentation the lock shell.

According to the utility model discloses lock body of fleing has following beneficial effect at least: interior handle thumb wheel is rotatory can control oblique tongue piece indentation lock shell, thereby the user can realize unblanking through rotating interior handle thumb wheel, when the door is closed, the door frame is pressed insurance tongue piece into the lock shell, it is rotatory under the drive of auto-lock elastic component from the lock piece, thereby the first end of auto-lock piece removes to blockking the position, oblique tongue piece can not indentation lock shell, thereby improve the theftproof performance of lock body greatly, first baffle and the second end butt of auto-lock piece and drive the auto-lock piece rotation when interior handle thumb wheel is rotatory, make the first end of auto-lock piece leave and block the position and no longer block oblique tongue piece and remove, simultaneously the driving lever part of interior handle thumb wheel and oblique tongue piece butt and drive oblique tongue piece indentation lock shell, thereby the rotatory interior handle thumb wheel of user can unblank fast, consequently the utility model embodiment one kind of flee the lock body and can realize unblanking fast, higher theftproof performance has simultaneously.

According to the utility model discloses a some embodiments still include square tongue subassembly, square tongue subassembly includes square tongue spare, square tongue elastic component and driving lever, square tongue spare with lock shell sliding connection, square tongue elastic component with the lock shell is connected, the driving lever with the lock shell rotates to be connected, square tongue elastic component with square tongue spare is connected and is used for the drive square tongue spare removes, interior handle thumb wheel with be used for driving during the driving lever butt the driving lever is rotatory and makes the driving lever with square tongue spare butt, the driving lever with be used for driving during square tongue spare butt square tongue spare indentation the lock shell.

According to some embodiments of the utility model, the square tongue subassembly still includes square tongue retaining member and locking elastic component, square tongue retaining member with lock shell sliding connection, locking elastic component with the lock shell is connected, locking elastic component with square tongue retaining member is connected and is used for driving square tongue retaining member with square tongue piece butt, square tongue retaining member with be used for fixing during square tongue piece butt the position of square tongue piece.

According to some embodiments of the utility model, the square tongue piece is equipped with first recess and second recess, square tongue retaining member is equipped with the second baffle, when the square tongue piece is located the position of locking, the second baffle with first recess butt, when the square tongue piece is located the position of unlocking, the second baffle with second recess butt.

According to some embodiments of the utility model, the square tongue subassembly still includes first transmission piece, first transmission piece with the lock shell rotates to be connected, first transmission piece respectively with interior handle thumb wheel with square tongue retaining member butt, interior handle thumb wheel drives be used for driving when first transmission piece is rotatory square tongue retaining member removes, and makes square tongue retaining member with square tongue piece breaks away from.

According to some embodiments of the present invention, the toggle assembly further comprises a lock cylinder member and a second transmission member, the lock cylinder member is rotatably connected to the lock case, the second transmission member is slidably connected to the square tongue member, the second transmission member is rotatably connected to the inner handle thumb wheel, and the lock cylinder member is provided with a first toggle block and a second toggle block; the lock core piece is rotated along the locking direction, the first shifting block can be abutted against the square tongue locking piece and the square tongue piece in sequence and is used for driving the square tongue locking piece to be separated from the square tongue piece firstly and then driving the square tongue piece to extend out of the lock shell; the lock core piece is rotated along the unlocking direction, the second shifting block can be abutted to the second transmission piece and drive the second transmission piece to move, and the second transmission piece can drive the inner handle shifting wheel to rotate when moving.

According to some embodiments of the utility model, oblique tongue subassembly still includes switching-over piece and switching-over elastic component, the switching-over piece with lock shell sliding connection, the switching-over elastic component with lock shell is connected, oblique tongue piece includes main oblique tongue, connecting piece and oblique tongue pole, main oblique tongue with the connecting piece is connected, the connecting piece with oblique tongue pole rotates to be connected, oblique tongue pole be equipped with switching-over piece complex third spout, the switching-over elastic component with the switching-over piece is connected and is used for driving the switching-over piece remove to extremely with third spout butt, the switching-over piece with be used for making during the third spout butt main oblique tongue part stretches out lock shell, the switching-over piece with be used for making when the third spout breaks away from main oblique tongue can stretch out completely lock shell.

According to some embodiments of the utility model, stir the subassembly and still include outer handle thumb wheel, outer handle thumb wheel with lock shell rotates to be connected, outer handle thumb wheel be used for with oblique tongue piece butt is used for driving oblique tongue piece indentation lock shell.

According to some embodiments of the utility model, stir the subassembly and still include the handle elastic component, the handle elastic component with the lock shell is connected, the handle elastic component respectively with interior handle thumb wheel with outer handle thumb wheel butt, and be used for driving respectively interior handle thumb wheel with outer handle thumb wheel rotates.

According to some embodiments of the utility model, the lock shell is equipped with latch bolt location axle, latch bolt spare be equipped with latch bolt location axle complex latch bolt spout.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a three-dimensional structure diagram of the inner side direction of an escape lock body door according to an embodiment of the present invention;

fig. 2 is a partial enlarged view of the latch bolt assembly, the safety assembly and the inner handle thumb wheel in the inner side direction of the escape lock body door according to the embodiment of the present invention;

fig. 3 is a partial enlarged view of the latch bolt assembly, the safety assembly and the inner handle thumb wheel in the outside direction of the escape lock body according to the embodiment of the present invention;

fig. 4 is a three-dimensional structure diagram of the outside direction of the escape lock body door according to the embodiment of the present invention;

fig. 5 is a partial enlarged view of a handle thumb wheel and a dead bolt piece in an escape lock body according to an embodiment of the present invention;

fig. 6 is a partially enlarged view of the latch bolt assembly of the escape lock according to the embodiment of the present invention.

A lock shell 100, an oblique tongue positioning shaft 110, a safety tongue positioning shaft 120, a square tongue positioning shaft 130,

A latch tongue piece 210, a latch tongue elastic piece 211, a second slide groove 212, a latch tongue slide groove 213,

Main latch tongue 214, connecting piece 215, groove ring 2151, latch tongue rod 216, convex ring 2161,

A safety tongue piece 220, a safety tongue elastic piece 221, a first convex shaft 222, a safety tongue sliding groove 223,

A square tongue piece 230, a square tongue elastic piece 231, a second protruding shaft 232, a square tongue chute 233,

A first groove 234, a second groove 235, a third groove 236, a third protruding shaft 237,

A dead bolt locking member 240, a locking elastic member 241, a locking slide slot 242, a second baffle 243,

A first transmission piece 250,

A reversing piece 260, a reversing elastic piece 261,

An inner handle thumb wheel 310, a first baffle 311, a lever part 312, a handle elastic part 313,

A self-locking member 320, a self-locking elastic member 321, a first end 322, a second end 323,

A lock cylinder member 330, a first dial 331, a second dial 332,

A second transmission piece 340, a first chute 341,

An outer handle thumb wheel 350,

A toggle lever 360.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated, for example, up, down, left, right, etc., referred to the orientation description is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality means two or more. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, an escape lock body according to an embodiment of the present invention includes:

a lock case 100;

the oblique tongue component comprises an oblique tongue piece 210 and an oblique tongue elastic piece 211, wherein the oblique tongue piece 210 is connected with the lock shell 100 in a sliding mode, the oblique tongue elastic piece 211 is connected with the lock shell 100, and the oblique tongue elastic piece 211 is connected with the oblique tongue piece 210 and used for driving the oblique tongue piece 210 to partially extend out of the lock shell 100;

the safety assembly comprises a safety tongue piece 220, a safety tongue elastic piece 221, a self-locking piece 320 and a self-locking elastic piece 321, wherein the safety tongue piece 220 is connected with the lock shell 100 in a sliding mode, the self-locking piece 320 is connected with the lock shell 100 in a rotating mode, the safety tongue elastic piece 221 and the self-locking elastic piece 321 are respectively connected with the lock shell 100, the safety tongue elastic piece 221 abuts against the safety tongue piece 220 and is used for driving part of the safety tongue piece 220 to extend out of the lock shell 100, the self-locking elastic piece 321 is connected with the self-locking piece 320, when the safety tongue piece 220 retracts into the lock shell 100, the self-locking elastic piece 321 is used for driving a first end 322 of the self-locking piece 320 to move to a blocking position, when the first end 322 moves to the blocking position, the inclined tongue piece 210 retracts into the lock shell 100, the safety tongue piece 220 is provided with a first convex shaft 222, when the safety tongue piece 220 extends out of the lock shell 100;

toggle assembly, including interior handle thumb wheel 310, interior handle thumb wheel 310 rotates with lock shell 100 to be connected, interior handle thumb wheel 310 be equipped with be used for with the first baffle 311 of self-locking piece 320 butt, interior handle thumb wheel 310 still is equipped with the driving lever part 312 that is used for with oblique tongue piece 210 butt, when interior handle thumb wheel 310 rotates to the position of unblanking, first baffle 311 is used for driving the rotation of self-locking piece 320 and makes first end 322 leave and block the position, driving lever part 312 is used for driving oblique tongue piece 210 indentation lock shell 100.

Referring to fig. 2, when the first end 322 of the self-locking member 320 is in the blocking position, the self-locking member 320 can block the oblique tongue member 210 from retracting into the lock case 100: in fig. 2, the position of the first end 322 of the self-locking member 320 is a blocking position, at this time, the self-locking member 320 is located at the right side of the latch bolt 210 and can block the latch bolt 210 from retracting into the lock case 100, when the door is closed, the door frame presses the latch bolt 220 into the lock case 100, the latch bolt 220 moves rightwards, the first protruding shaft 222 also moves rightwards, at this time, the self-locking member 320 can rotate, the self-locking member 320 rotates under the driving of the self-locking elastic member 321 and moves the first end 322 to the right side of the latch bolt 210, so that the latch bolt 210 cannot be pressed into the lock case 100, a thief cannot pry the lock by pressing the latch bolt 210 into the lock case 100, and thus the anti-theft performance of the lock body is greatly improved.

The inner handle thumb wheel 310 can realize quick unlocking: referring to fig. 3, first, the inner handle thumb wheel 310 moves the first end 322 away from the blocking position: the inner handle thumb wheel 310 rotates counterclockwise, the first baffle 311 abuts against the self-locking member 320 and drives the self-locking member 320 to rotate clockwise, so that the first end 322 of the self-locking member 320 leaves the blocking position, and at this time, the latch bolt 210 can retract into the lock case 100;

then, referring to fig. 1, the rotation of the inner handle thumb wheel 310 can control the retraction of the latch 210 into the lock case 100, so that the user can unlock the lock by turning the inner handle thumb wheel 310: when the inner handle thumb wheel 310 rotates clockwise, the lever member 312 abuts against the latch bolt 210 and drives the latch bolt 210 to move rightward, so that the latch bolt 210 retracts into the lock case 100, and thus the user can rotate the inner handle thumb wheel 310 to unlock the lock quickly.

Referring to fig. 4, the square tongue assembly further comprises a square tongue piece 230, a square tongue elastic piece 231 and a shift lever 360, the square tongue piece 230 is slidably connected with the lock case 100, the square tongue elastic piece 231 is connected with the lock case 100, the shift lever 360 is rotatably connected with the lock case 100, the square tongue elastic piece 231 is connected with the square tongue piece 230 and used for driving the square tongue piece 230 to move, and when the inner handle thumb wheel 310 abuts against the shift lever 360, the shift lever 360 is driven to rotate and the shift lever 360 abuts against the square tongue piece 230; when the shift lever 360 abuts against the square tongue piece 230, the square tongue piece 230 is driven to retract into the lock case 100, the square tongue piece is provided with a second convex shaft 232 which is used for abutting against the shift lever 360, a user rotates the inner handle thumb wheel 310 anticlockwise, when the inner handle thumb wheel 310 rotates anticlockwise, the inner handle thumb wheel abuts against the upper end of the shift lever 360 and drives the shift lever 360 to rotate clockwise, the lower end of the shift lever 360 abuts against the second convex shaft 232 and drives the second convex shaft 232 to move, and therefore the square tongue piece 230 is driven to move leftwards and partially extends out of the lock case 100; when the square tongue piece 230 retracts into the lock case 100, the square tongue elastic piece 231 restores to deform, when the square tongue piece 230 is located at the locking position, the square tongue elastic piece 231 and the square tongue elastic piece 231 restore to deform, and in the process that the square tongue piece 230 moves from the position retracted into the lock case 100 to the locking position, the square tongue elastic piece 231 is extruded and shortened from the natural length and then restores to the natural length from the extruded and shortened state, so that the square tongue piece 230 is driven to extend out of the lock case 100 or retract into the lock case 100.

Referring to fig. 5, the dead bolt assembly further includes a dead bolt locker 240 and a locking elastic member 241, the dead bolt locker 240 is slidably connected to the lock case 100, the locking elastic member 241 is connected to the dead bolt locker 240 and drives the dead bolt locker 240 to abut against the dead bolt member 230, the dead bolt locker 240 is used for fixing the position of the dead bolt member 230 when abutting against the dead bolt member 230, the dead bolt locker 240 can only move up and down, the dead bolt member 230 can only move left and right, when the dead bolt locker 240 abuts against the dead bolt member 230, the relative positions of the dead bolt locker 240 and the dead bolt member 230 in the left and right directions are fixed, so that the dead bolt member 230 cannot move left and right, and when the dead bolt locker 240 is separated from the dead bolt member 230, the dead bolt member 230 can freely move.

Referring to fig. 5, the square tongue 230 is provided with a first groove 234 and a second groove 235, the square tongue locking member 240 is provided with a second baffle 243, when the square tongue 230 is located at the upper locking position, the second baffle 243 is abutted against the first groove 234, and when the square tongue 230 is located at the unlocking position, the second baffle 243 is abutted against the second groove 235; when the square tongue piece 230 retracts into the lock case 100, the first baffle 243 abuts against the second groove 235, so that the position of the square tongue piece 230 is fixed by the square tongue locking member 240, when the square tongue piece 230 partially extends out of the lock case 100, the first baffle 243 abuts against the first groove 234, so that the position of the square tongue piece 230 is fixed by the square tongue locking member 240, when the square tongue locking member 240 moves upwards, the first baffle 243 is separated from the first groove 234 and the second groove 235, and at the moment, the square tongue piece 230 can move leftwards and rightwards.

Referring to fig. 5, the square tongue assembly further includes a first transmission member 250, the first transmission member 250 is rotatably connected to the lock case 100, the first transmission member 250 is respectively abutted to the inner handle thumb wheel 310 and the square tongue locking member 240, the inner handle thumb wheel 310 drives the first transmission member 250 to rotate for driving the square tongue locking member 240 to move, and the square tongue locking member 240 is separated from the square tongue member 230, as shown in fig. 5, the inner handle thumb wheel 310 rotates clockwise for driving the first transmission member 250 to rotate counterclockwise, the first transmission member 250 drives the square tongue locking member 240 to move upward, so that the first baffle 243 is separated from the first groove 234 and the second groove 235, and then the inner handle thumb wheel 310 drives the square tongue member 230 to retract into the lock case 100 through the shift lever 360, so that the inner handle thumb wheel 310 can control the square tongue member 230 to move.

Referring to fig. 1, the toggle assembly further comprises a lock cylinder member 330 and a second transmission member 340, the lock cylinder member 330 is rotatably connected to the lock case 100, the second transmission member 340 is slidably connected to the dead bolt member 230, the second transmission member 340 is rotatably connected to the inner handle thumb wheel 310, the lock cylinder member 330 is provided with a first toggle block 331 and a second toggle block 332; the lock cylinder piece 330 is rotated along the locking direction, the first shifting block 331 can be abutted against the square tongue locking piece 240 and the square tongue piece 230 in sequence and is used for driving the square tongue locking piece 240 to be separated from the square tongue piece 230 firstly and then driving the square tongue piece 230 to extend out of the lock shell 100; the lock cylinder member 330 is rotated along the unlocking direction, the second shifting block 332 can abut against the second transmission piece 340 and drive the second transmission piece 340 to move, and the second transmission piece 340 can drive the inner handle thumb wheel 310 to rotate when moving; the lock cylinder piece 330 controls when the square tongue piece 230 extends out of the lock case 100: when the lock cylinder member 330 rotates counterclockwise, first, the first shifting block 331 abuts against the square tongue locking member 240 and drives the square tongue locking member 240 to move upward, so that the square tongue locking member 240 is separated from the square tongue member 230, and then, the first shifting block 331 abuts against the third groove 236 and drives the square tongue member 230 to move leftward to extend out of the lock case 100; the lock cylinder piece 330 controls when the locking tongue 230 is retracted into the lock case 100: firstly, the lock core member 330 rotates counterclockwise, so that the first shifting block 331 abuts against the square tongue locking member 240 and drives the square tongue locking member 240 to move upward, the square tongue locking member 240 is separated from the square tongue member 230, meanwhile, the first shifting block 331 abuts against the third groove 236, then, the lock core member 330 rotates clockwise, and the first shifting block 331 drives the square tongue member 230 to move rightward and retract into the lock case 100; the lock core member 330 continues to rotate clockwise, the second shifting block 332 abuts against the second transmission member 340 and drives the second transmission member 340 to move upwards, and the second transmission member 340 drives the inner handle thumb wheel 310 to rotate clockwise to the unlocking position, so that the inclined tongue piece 210 is retracted into the lock case 100; the square tongue piece 230 is provided with a third protruding shaft 237, and the second transmission piece 340 is provided with a first sliding groove 341 matched with the third protruding shaft 237, so that the sliding connection between the second transmission piece 340 and the square tongue piece 230 is realized.

In some embodiments, the lock core member 330 and the tongue elastic member 231 cooperate to move the tongue member 230, and during the process of extending the tongue member 230 out of the lock case 100: firstly, the first shifting block 331 of the lock cylinder 330 drives the square tongue locking member 240 to disengage from the square tongue member 230, and simultaneously drives the square tongue member 230 to move leftward, so that the square tongue member 230 moves to a state where the first baffle 243 is located between the first groove 234 and the second groove 235, and at this time, the square tongue elastic member 231 is squeezed to be shortened, and then, since the first shifting block 331 abuts against the third groove 236 and blocks the square tongue member 230 from moving rightward, the square tongue elastic member 231 recovers deformation and drives the square tongue member 230 to continue to move leftward, so that the square tongue member 230 moves to a locking position; during retraction of the square tongue 230 into the lock housing 100: firstly, the lock cylinder 330 rotates counterclockwise to make the first shifting block 331 drive the square tongue locking member 240 to disengage from the square tongue 230, then the lock cylinder 330 rotates clockwise to make the first shifting block 331 drive the square tongue 230 to move rightward, so that the square tongue 230 moves to a state where the first baffle 243 is located between the first groove 234 and the second groove 235, at this time, the square tongue elastic member 231 is squeezed to be shortened, and then, because the first shifting block 331 abuts against the third groove 236 and blocks the square tongue 230 to move leftward, the square tongue elastic member 231 recovers deformation and drives the square tongue 230 to continue to move rightward, so that the square tongue 230 is completely retracted into the lock case 100.

Referring to fig. 6, the latch bolt assembly further includes a reversing element 260 and a reversing elastic element 261, the reversing element 260 is slidably connected to the lock case 100, the reversing elastic element 261 is connected to the lock case 100, the latch bolt element 210 includes a main latch bolt 214, a connecting element 215 and a latch bolt rod 216, the main latch bolt 214 is connected to the connecting element 215, the connecting element 215 is rotatably connected to the latch bolt rod 216, the latch bolt rod 216 is provided with a second sliding slot 212 matched with the reversing element 260, the reversing elastic element 261 is connected to the reversing element 260 and is used for driving the reversing element 260 to move to abut against the second sliding slot 212, when the reversing element 260 abuts against the second sliding slot 212, the main latch bolt 214 partially extends out of the lock case 100, when the reversing element 260 is separated from the second sliding slot 212, the main latch bolt 214 can completely extend out of the lock case 100, and a user can switch the inside and outside directions of the latch bolt element 210 by pulling: the lock shell 100 is provided with a mounting hole matched with the reversing piece 260, a user can shift the reversing piece 260 to the left through the mounting hole to separate the reversing piece 260 from the second sliding groove 212, the oblique tongue elastic piece 211 drives the oblique tongue piece 210 to move to the left and enables the main oblique tongue 214 to completely extend out of the lock shell 100, the user can rotate the main oblique tongue 214 along the axial direction of the connecting piece by 180 degrees after the main oblique tongue 214 completely extends out of the lock shell 100, so that the oblique direction of the main oblique tongue 214 is converted, the inner side and the outer side of the oblique tongue piece 210 are converted, after the direction is converted, the user presses the main oblique tongue 214 into the lock shell 100 partially to enable the main oblique tongue 214 not to rotate along the axial direction of the connecting piece 215, and the reversing elastic piece 261 drives the reversing piece 260 to move downwards to enable the reversing piece 260 to abut against the second sliding groove 212, so that the; referring to fig. 6, the connecting member 215 is rotatably connected to the latch rod 216, the connecting member 215 is provided with a groove ring 2151, and the latch rod 216 is provided with a protrusion ring 2161 engaged with the groove ring 2151, thereby rotatably connecting the connecting member 215 and the latch rod 216.

Referring to fig. 4, the toggle assembly further comprises an outer handle thumb wheel 350 rotatably connected to the lock housing 100, the outer handle thumb wheel 350 is adapted to abut against the latch bolt 210 and to drive the latch bolt 210 to retract into the lock housing 100, and the outer handle thumb wheel 350 is connected to the outer handle of the door so that a user can rotate the handle from the outer side of the door to retract the latch bolt 210 into the lock housing 100.

Referring to fig. 1, the toggle assembly further includes a handle elastic member 313, the handle elastic member 313 is connected to the lock case 100, and the handle elastic member 313 abuts against the inner handle thumb wheel 310 and the outer handle thumb wheel 350, respectively, and is configured to drive the inner handle thumb wheel 310 and the outer handle thumb wheel 350 to rotate, respectively, so that the inner handle thumb wheel 310 and the outer handle thumb wheel 350 can be automatically reset without a user manually resetting the inner handle thumb wheel 310 and the outer handle thumb wheel 350.

Referring to fig. 1, the lock case 100 is provided with an oblique tongue positioning shaft 110, the oblique tongue piece 210 is provided with an oblique tongue sliding groove 213 matched with the oblique tongue positioning shaft 110, the oblique tongue positioning shaft 110 is matched with the oblique tongue sliding groove 213 for realizing the sliding connection between the oblique tongue piece 210 and the lock case 300, and the oblique tongue sliding groove 213 is a sliding groove in the horizontal direction, so that the oblique tongue piece 210 can be prevented from moving up and down, and the oblique tongue piece 210 can be kept moving left and right all the time.

Referring to fig. 1, the lock case 100 is provided with a safety tongue positioning shaft 120, the safety tongue piece 220 is provided with a safety tongue sliding groove 223 matched with the safety tongue positioning shaft 120, the safety tongue positioning shaft 120 is matched with the safety tongue sliding groove 223 to realize sliding connection between the safety tongue piece 220 and the lock case 300, and meanwhile, the safety tongue sliding groove 223 is a sliding groove in the horizontal direction, so that the safety tongue piece 220 can be prevented from moving up and down, and the safety tongue piece 220 can be kept moving left and right all the time.

Referring to fig. 1, the lock case 100 is provided with a dead bolt positioning shaft 130, the dead bolt piece 230 is provided with a dead bolt sliding groove 233 matched with the dead bolt positioning shaft 130, the dead bolt positioning shaft 130 is matched with the dead bolt sliding groove 233 to realize the sliding connection between the dead bolt piece 230 and the lock case 300, and the dead bolt sliding groove 233 is a sliding groove in the horizontal direction, so that the dead bolt piece 230 can be prevented from moving up and down, and the dead bolt piece 230 can be kept moving left and right all the time.

Referring to fig. 4, the dead bolt locking member 240 is provided with a locking sliding groove 242 matched with the dead bolt positioning shaft 130, the dead bolt positioning shaft 130 is matched with the locking sliding groove 242 to realize the sliding connection between the dead bolt locking member 240 and the lock case 300, and the locking sliding groove 242 is a sliding groove in the vertical direction, so that the dead bolt locking member 240 can be prevented from moving left and right, and the dead bolt locking member 240 can always keep moving up and down.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (10)

1. An escape lock body is characterized by comprising:

a lock case;

the oblique tongue component comprises an oblique tongue piece and an oblique tongue elastic piece, the oblique tongue piece is connected with the lock shell in a sliding mode and can move between an upper lock position and an unlock position, the oblique tongue elastic piece is connected with the lock shell, and the oblique tongue elastic piece is connected with the oblique tongue piece and is used for driving the oblique tongue piece to partially extend out of the lock shell;

the safety component comprises a safety tongue piece, a safety tongue elastic piece, a self-locking piece and a self-locking elastic piece, wherein the safety tongue piece is connected with the lock shell in a sliding way, the self-locking piece is rotationally connected with the lock shell, the safety tongue elastic piece and the self-locking elastic piece are respectively connected with the lock shell, the safety tongue elastic piece is abutted against the safety tongue piece and is used for driving the part of the safety tongue piece to extend out of the lock shell, the self-locking elastic piece is connected with the self-locking piece, when the safety tongue piece retracts into the lock shell, the self-locking elastic piece is used for driving the first end of the self-locking piece to move to a blocking position, the first end is used for blocking the oblique tongue piece from retracting into the lock shell when moving to the blocking position, the safety tongue piece is provided with a first protruding shaft, when the safety tongue part extends out of the lock shell, the first convex shaft is used for driving the self-locking piece to rotate and enabling the first end to leave the blocking position;

toggle the subassembly, including interior handle thumb wheel, interior handle thumb wheel with the lock shell rotates to be connected, interior handle thumb wheel be equipped with be used for with the first baffle of self-locking piece butt, interior handle thumb wheel still be equipped with be used for with the driving lever part of oblique tongue piece butt, interior handle thumb wheel rotates extremely when the position is unlocked, first baffle is used for driving the self-locking piece is rotatory and makes first end leaves the position of stopping, the driving lever part is used for driving oblique tongue piece indentation the lock shell.

2. The escape lock body according to claim 1, further comprising a square tongue assembly, wherein the square tongue assembly comprises a square tongue piece, a square tongue elastic piece and a shift lever, the square tongue piece is slidably connected with the lock case, the square tongue elastic piece is connected with the lock case, the shift lever is rotatably connected with the lock case, the square tongue elastic piece is connected with the square tongue piece and used for driving the square tongue piece to move, the inner handle shifting wheel is abutted with the shift lever and used for driving the shift lever to rotate and abutting the shift lever with the square tongue piece, and the shift lever is abutted with the square tongue piece and used for driving the square tongue piece to retract into the lock case.

3. The escape lock body according to claim 2, wherein the dead bolt assembly further comprises a dead bolt locking member and a locking elastic member, the dead bolt locking member is slidably connected with the lock case, the locking elastic member is connected with the dead bolt locking member and used for driving the dead bolt locking member to abut against the dead bolt member, and the dead bolt locking member is used for fixing the position of the dead bolt member when abutting against the dead bolt member.

4. The escape lock body of claim 3, wherein the square tongue member has a first groove and a second groove, the square tongue locking member has a second blocking plate, the second blocking plate abuts against the first groove when the square tongue member is in the upper locked position, and the second blocking plate abuts against the second groove when the square tongue member is in the unlocked position.

5. The escape lock body according to claim 3, wherein the dead bolt assembly further comprises a first transmission member, the first transmission member is rotatably connected to the lock case, the first transmission member is respectively abutted against the inner handle thumb wheel and the dead bolt locking member, and the inner handle thumb wheel drives the first transmission member to rotate so as to drive the dead bolt locking member to move and separate the dead bolt locking member from the dead bolt locking member.

6. The escape lock body of claim 3, wherein the tumbler assembly further comprises a lock cylinder member and a second transmission member, the lock cylinder member is rotatably connected to the lock housing, the second transmission member is slidably connected to the dead bolt member, the second transmission member is rotatably connected to the inner handle tumbler, and the lock cylinder member is provided with a first tumbler and a second tumbler; the lock core piece is rotated along the locking direction, the first shifting block can be abutted against the square tongue locking piece and the square tongue piece in sequence and is used for driving the square tongue locking piece to be separated from the square tongue piece firstly and then driving the square tongue piece to extend out of the lock shell; the lock core piece is rotated along the unlocking direction, the second shifting block can be abutted to the second transmission piece and drive the second transmission piece to move, and the second transmission piece can drive the inner handle shifting wheel to rotate when moving.

7. The escape lock body according to claim 1, wherein the latch bolt assembly further comprises a reversing element and a reversing elastic element, the reversing element is slidably connected to the lock case, the reversing elastic element is connected to the lock case, the latch bolt element comprises a main latch bolt, a connecting element and a latch bolt rod, the main latch bolt is connected to the connecting element, the connecting element is rotatably connected to the latch bolt rod, the latch bolt rod is provided with a third sliding slot engaged with the reversing element, the reversing elastic element is connected to the reversing element and is configured to drive the reversing element to move to abut against the third sliding slot, the reversing element is configured to partially extend the main latch bolt out of the lock case when abutting against the third sliding slot, and the reversing element is configured to fully extend the main latch bolt out of the lock case when disengaging from the third sliding slot.

8. The escape lock of claim 1, wherein the toggle assembly further comprises an outer handle toggle wheel, the outer handle toggle wheel being rotatably coupled to the lock housing, the outer handle toggle wheel being adapted to abut the latch member and to drive the latch member to retract into the lock housing.

9. The escape lock of claim 8, wherein said toggle assembly further comprises a handle spring connected to said lock housing, said handle spring abutting said inner handle thumb wheel and said outer handle thumb wheel respectively and being configured to rotate said inner handle thumb wheel and said outer handle thumb wheel respectively.

10. The escape lock body of claim 1, wherein said lock housing is provided with a latch positioning shaft, and said latch member is provided with a latch sliding groove engaged with said latch positioning shaft.

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