CN210013572U - Quick opening and closing door lock body with anti-insertion function - Google Patents

Abstract

The utility model discloses a fast opening and closing door lock body with anti-plugging function, which comprises a box cover, a lining plate, a bottom box, a square tongue component and a latch bolt component, wherein a shifting fork device and a square tongue linkage component for forming a shifting connection relation between the shifting fork device and the square tongue component are also arranged in the bottom box; when the door is locked, the latch bolt assembly extends out, the triangular bolt retracts into the bottom box after pressing the door buckle plate, the triangular bolt moves backwards to release the limitation on the safety piece, and the safety piece deflects upwards and then props against the rear end of the latch bolt head, so that when the door seam is pried by a tool, the latch bolt assembly is blocked to retract, and the latch bolt assembly has an anti-insertion function; in the door locking state, clockwise rotation handle thumb peach or clockwise rotation lock core thumb peach, when driving the square bolt subassembly and withdraw, the transmission plectrum of lock core rotor blade promotes the safety piece rear end and makes the safety piece remove after deflecting and lock the latch bolt subassembly, continues to rotate handle thumb peach or lock core thumb peach, drives the latch bolt subassembly through handle rotor blade or lock core rotor blade and withdraws and realize one-step opening the door.

Description

Quick opening and closing door lock body with anti-insertion function

[ technical field ] A method for producing a semiconductor device

The utility model relates to a tool to lock trade, specific saying so relates to a quick opening and shutting door lock body with prevent inserting the function.

[ background of the invention ]

The current anti-theft locks on the market are classified into mechanical anti-theft locks and electronic anti-theft locks. Both mechanical anti-theft locks and electronic anti-theft locks generally consist of a lock body, a dead bolt assembly arranged on the lock body, an auxiliary dead bolt assembly and an oblique bolt assembly; the electronic anti-theft lock realizes electronic control by transforming a lock body structure, realizes unlocking and locking by completely depending on an electric element, but has certain reliability and incompatible problems. Traditional mechanical type pickproof lock needs the manual rotatory key of user to unblank and lock, and the pickproof lock of this type of pure mechanical structure all has the structure complicacy, connects the installation inefficiency, and is inconvenient in the use, for example forget the key, can't open the door scheduling problem.

In addition, the existing anti-theft locks with various mechanical structures used on the anti-theft door can be automatically locked as long as the door is closed, which brings inconvenience to daily life. Moreover, the vice spring bolt of lock on the existing market usually is an independent structure part, plays the effect of insurance indoors, needs to open alone when indoor opening, and this brings inconvenience to going out, and secondly current burglary-resisting door is pried into from the crack through the instrument easily and is opened by the instrument, does not prevent inserting, and lock body inner structure is also more complicated, makes the great reduction of reliability and the security of lock body like this.

[ Utility model ] content

In order to solve the above technical difficulty, the utility model provides a simple structure, control are convenient, improve its safety and reliability, realize outdoor one step unblanking fast with indoor one step open have prevent inserting the quick opening and shutting lock body of function.

The utility model provides a technical scheme that its technical problem adopted is:

a rapid opening and closing door lock body with an anti-insertion function comprises a box cover, a lining plate, a bottom box, a square tongue component and a latch bolt component, wherein the lining plate is arranged on the front side of the side wall of the bottom box;

a shifting fork device and a square tongue linkage component forming a shifting connection relationship between the shifting fork device and the square tongue component are also arranged in the bottom box;

the shifting fork device comprises a lock cylinder rotating sheet, a handle shifting peach, a handle rotating sheet and a double-fast rotating sheet, the lock cylinder rotating sheet is sleeved on the outer side of the handle shifting peach in a coaxial rotating mode, and the handle rotating sheet and the double-fast rotating sheet are sleeved on the inner side of the handle shifting peach in a coaxial follow-up mode after being overlapped;

the square tongue linkage assembly comprises a lock cylinder shifting peach, square tongue transmission pieces, a connecting rod and a sliding block plate, the sliding block plate is arranged on the inner side of the square tongue assembly and is tightly attached to the inner side of the bottom box, a sliding plate tension spring for pulling the sliding block plate to move downwards for resetting is arranged in the corresponding bottom box, the lock cylinder corresponding to the lock cylinder shifting peach is arranged in a lock cylinder hole in the bottom box, the sliding block plate is pushed to slide up and down after the lock cylinder shifting peach rotates, and a sliding plate hook which is contacted with the outer edges of the double-quick rotating pieces and slides up under the stirring of the double-quick rotating pieces is arranged on the upward bulge;

one end of the square tongue driving piece is hinged to the square tongue assembly through a guide nail, the other end of the square tongue driving piece forms a driving hook hung on the lower side of the lock cylinder rotating piece, and a hanging hole matched with the driving hook hanging buckle at the end part of the square tongue driving piece is formed in the corresponding lower side of the lock cylinder rotating piece in an extending mode;

one end of the connecting rod, which is positioned beside the square tongue transmission piece, is hinged on the square tongue component through a guide nail, and the other end of the connecting rod is hinged on the sliding block plate through a guide nail and the end part of the connecting rod abuts against an inwards sunken concave groove in the middle of the lower side of the double-fast rotating piece;

the inner side of the lining plate of the bottom box is also provided with a self-expanding torsion spring and a triangular tongue which extends out of the lining plate under the pushing of the self-expanding torsion spring, the rear side of the corresponding triangular tongue is provided with a safety sheet which is hinged in the bottom box and used for abutting against the rear end of the inclined tongue assembly after the door is closed to limit the retraction of the inclined tongue assembly so as to prevent the door seam from being pried into the anti-insertion function by a tool, the bottom box is internally provided with a safety torsion spring which drives the safety sheet to rotate and displace in a self-rotating manner and abuts against the rear end of the inclined tongue head in a normal state, and the rear end of the triangular tongue; the middle part of the lock cylinder rotating sheet extends outwards and is provided with a transmission shifting sheet which pushes the rear end of the safety sheet and releases the locking of the latch bolt assembly after the safety sheet deflects;

the lock cylinder rotating sheet and the handle rotating sheet are both provided with a shifting arm which is extended upwards, is provided with a shifting arm which is contacted with the rear end of an oblique tongue rod on the oblique tongue component after rotating and pushes an oblique tongue head at the front end of the oblique tongue rod to retract into the lining plate, and the shifting arm of the handle rotating sheet is also provided with a linkage sheet which is extended axially along the handle shifting rod and drives the lock cylinder rotating sheet to rotate by shifting the shifting arm of the lock cylinder rotating sheet;

when the door is closed, the handle shifting peach is rotated anticlockwise, the handle shifting peach drives the double-fast rotating pieces respectively, the double-fast rotating pieces drive the sliding block plate and the connecting rod, and the connecting rod drives the square bolt assembly to extend out to lock the door; under the door locking state, the oblique tongue component extends out under the action of the force of the oblique tongue spring, the triangular tongue presses the door buckle plate and then retracts into the bottom box, the positioning pin at the rear end of the triangular tongue moves backwards in the special-shaped limiting hole in the safety piece to remove the limitation on the safety piece, the safety piece deflects upwards under the torsion action of the safety torsion spring and then props against the rear end of the oblique tongue head of the oblique tongue component, so that the oblique tongue component is prevented from retracting when the door seam is pried by a tool, and the oblique tongue component has an anti-insertion function;

in a door locking state, clockwise rotating a handle shifting peach, wherein the handle shifting peach respectively drives a double-fast rotating sheet and a handle rotating sheet, the double-fast rotating sheet drives a sliding block plate, the handle rotating sheet drives a lock cylinder rotating sheet through a linkage sheet, the double-fast rotating sheet drives a connecting rod, a square bolt assembly is driven to retract through the connecting rod and the sliding block plate, a transmission shifting sheet of the lock cylinder rotating sheet pushes the rear end of a safety sheet and releases the locking of the inclined bolt assembly after the safety sheet deflects, the handle shifting peach is continuously rotated, and the handle rotating sheet drives the inclined bolt assembly to retract to open the door;

under the state of locking a door, clockwise rotation lock core thumb peach, lock core thumb peach drives the slider board and upwards moves, drive square tongue subassembly withdrawal simultaneously, continue to rotate lock core thumb peach after the square tongue subassembly withdrawal, lock core thumb peach passes through square tongue driving piece drive lock core rotor piece and clockwise rotates, the transmission plectrum of lock core rotor piece promotes the safety piece rear end, and remove the latch bolt subassembly locking after making the safety piece deflect, continue to rotate lock core thumb peach and stimulate the lock core rotor piece, the lock core rotor piece drives the latch bolt subassembly and retracts the door.

Furthermore, the lower side of the triangle tongue is provided with a spring piece switch which is used for sensing the stroke position of the triangle tongue and confirming that the door lock is closed when the triangle tongue which retracts into the lining plate is pressed flatly and stretching out of the lining plate to confirm that the door lock is not closed when the triangle tongue is popped up.

Furthermore, the upper side of the bottom box is also provided with a reversing positioning piece which is convenient for reversing control of the latch bolt assembly.

The utility model has the advantages that:

when the lock is closed, the handle shifting peach is rotated anticlockwise, the handle shifting peach drives the double-speed rotating pieces respectively, the double-speed rotating pieces drive the sliding block plate and the connecting rod, and the connecting rod drives the square bolt assembly to extend out, so that one-step quick door locking is realized; meanwhile, in the door locking state, the oblique tongue component extends out under the action of the force of the oblique tongue spring, the triangular tongue presses the door buckle plate and then retracts into the bottom box, the positioning pin at the rear end of the triangular tongue moves backwards in the special-shaped limiting hole in the safety piece to remove the limitation on the safety piece, the safety piece deflects upwards under the torsion action of the safety torsion spring and then props against the rear end of the oblique tongue head of the oblique tongue component, so that the oblique tongue component is prevented from retracting when the door seam is pried by a tool, and the oblique tongue component has an anti-insertion function.

Under the state of locking a door, clockwise rotation handle thumb peach, handle thumb peach drives double-fast rotor and handle rotor respectively, double-fast rotor drives the slider board, the handle rotor drives the lock core rotor through the linkage piece, double-fast rotor drives the connecting rod, drive the retraction of dead bolt subassembly through connecting rod and slider board jointly, the transmission thumb piece of lock core rotor promotes the safety piece rear end, and remove to dead bolt subassembly locking after making the safety piece deflect, continue to rotate handle thumb peach, handle rotor drives dead bolt subassembly retraction, realize one-step quick opening the door.

Or in the state of locking the door, clockwise rotation lock core thumb peach, lock core thumb peach drives the slider board and upwards moves, drive square tongue subassembly withdrawal simultaneously, continue to rotate lock core thumb peach after the square tongue subassembly withdrawal, lock core thumb peach passes through square tongue driving piece and drives the clockwise rotation of lock core rotor plate, the transmission plectrum of lock core rotor plate promotes the safety piece rear end, and remove the latch bolt subassembly locking after making the safety piece deflect, continue to rotate lock core thumb peach and stimulate the lock core rotor plate, the lock core rotor plate drives the latch bolt subassembly and withdraws, realize one-step quick door opening equally.

In addition, the inner side of the lining plate of the bottom box is also provided with a spring plate switch for sensing the stroke position of the triangular tongue, and the spring plate switch is used for confirming that the door lock is closed when the triangular tongue retracted into the lining plate is flattened and extending out of the lining plate to confirm that the door lock is not closed when the triangular tongue is popped up; under a normal state, the lower side of the triangular tongue touches the elastic sheet switch and outputs a signal from a switch wire of the elastic sheet switch to detect that the door is not closed; in the closed state, no signal is output from the switch line to detect and confirm that the door is closed.

[ description of the drawings ]

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic view of the inner side structure of the bottom case without the normal state of the cover;

FIG. 3 is a schematic view of the inner side structure of the bottom case with the closed cover removed;

FIG. 4 is a schematic view of the inner side structure of the bottom case of the present invention when the handle of the lid is removed and the door is opened;

fig. 5 is the schematic view of the inner side structure of the bottom box in the state of opening the door by removing the lock cylinder of the box cover.

[ detailed description ] embodiments

A fast opening and closing door lock body with an anti-insertion function is disclosed, as shown in figures 1 to 5, and comprises a box cover 1, a lining plate 2, a bottom box 3, a square tongue component 4 and a latch bolt component 5, wherein the lining plate 2 is arranged on the front side of the side wall of the bottom box 3, a latch bolt 50, a latch bolt rod 51 and a latch bolt 52 on the latch bolt component 5 are arranged in the bottom box 3 and are covered by the box cover 1, the latch bolt 50 sleeved on the latch bolt rod 51 is reset under a normal state to push the latch bolt 52 arranged at the top end of the latch bolt rod 51 to extend out of the lining plate 2, a shifting fork device 6 is further arranged in the bottom box 3, and a square tongue linkage component 7 for shifting connection relation is formed between the shifting fork device 6 and the square tongue component 4; the upper side of the bottom box 3 is also provided with a reversing positioning piece 8 which is convenient for reversing control of the latch bolt component 5.

Continuing as shown in fig. 1 to 5, the shifting fork device 6 comprises a lock cylinder rotating sheet 60, a handle shifting block 61, a handle rotating sheet 62 and a double-fast rotating sheet 63, wherein the lock cylinder rotating sheet 60 is sleeved outside the handle shifting block 61 in a coaxial rotating manner, and the handle rotating sheet 62 and the double-fast rotating sheet 63 are sleeved inside the handle shifting block 61 in a coaxial following manner after being overlapped.

As shown in fig. 1 to 5, the dead bolt linkage assembly 7 includes a lock cylinder shifting block (not shown), a dead bolt driving plate 70, a connecting rod 71 and a sliding block plate 72, the sliding block plate 72 is disposed at the inner side of the dead bolt assembly 4 and is tightly attached to the inner side of the bottom case 3, a sliding plate tension spring 73 for pulling the sliding block plate 72 to move down and reset is disposed in the corresponding bottom case 3, a lock cylinder corresponding to the lock cylinder shifting block is disposed in the lock cylinder hole 30 of the bottom case 3 and the case cover 1, after the lock cylinder is rotated, the lock cylinder shifting block on the lock cylinder pushes the sliding block plate 72 to slide up and down, and a sliding plate hook 720 which contacts with the outer edge of the double-fast rotating plate 63 and slides up and down by the double-fast rotating plate.

One end of the square tongue driving piece 70 is hinged to the square tongue component 4 through a guide nail 74, the other end of the square tongue driving piece forms a driving hook 700 hung on the lower side of the lock cylinder rotating piece 60, and a hanging hole 600 matched with the driving hook hanging buckle at the end part of the square tongue driving piece 70 is formed in the corresponding lower side of the lock cylinder rotating piece 60 in an extending mode; the connecting rod 71 is located beside the square tongue driving piece 70, one end of the connecting rod is hinged on the square tongue assembly 4 through a guide nail, the other end of the connecting rod is hinged on the sliding block plate 72 through a guide nail, and the end part of the connecting rod abuts against the concave groove 630 which is inwards concave in the middle of the lower side of the double-fast rotating piece 63.

As shown in fig. 1 to 5, a self-expanding torsion spring 9 and a triangular tongue 10 extending out of the lining board 2 under the pushing of the self-expanding torsion spring 9 are further installed on the inner side of the lining board 2 of the bottom case 3, a safety plate 11 which is hinged in the bottom case 3 and used for limiting the retraction of the oblique tongue assembly 5 by abutting against the rear end of the oblique tongue assembly 5 after the door is closed is installed on the rear side of the corresponding triangular tongue 10, so as to prevent the door seam from being pried into the anti-insertion function by a tool, a safety torsion spring 12 which drives the safety plate 11 to rotate and displace in a self-rotating manner and abuts against the rear end of the oblique tongue head 52 is installed in the bottom case 3 in a normal state, and a positioning pin 100 which is matched with a special-shaped limiting hole; the middle part of the lock cylinder rotating sheet 60 is provided with a transmission shifting sheet 601 which extends outwards and pushes the rear end of the safety sheet 11, deflects the safety sheet 11 and then releases the locking of the latch bolt component 5; the lock cylinder rotating sheet 60 and the handle rotating sheet 62 both extend upwards, are provided with poking arms 13 which are contacted with the rear ends of the latch bolt rods 51 on the latch bolt assembly 5 after rotating and push the latch bolts 52 at the front ends of the latch bolt rods 51 to retract into the lining plate 2, and the poking arms 13 of the handle rotating sheet 62 are also provided with linkage sheets 620 which drive the lock cylinder rotating sheet 60 to rotate by poking the poking arms 13 of the lock cylinder rotating sheet 60 and extend axially along the handle poking peach 61.

As shown in fig. 1 to 5, a spring switch (not shown) is provided under the cam tongue 10 for sensing a stroke position of the cam tongue 10, confirming that the door lock is closed when the cam tongue 10 retracted into the lining board 2 is pressed flat, and for extending out of the lining board 2 to confirm that the door lock is not closed when the cam tongue 10 is ejected. In a normal state, the lower side of the triangular tongue 10 touches the dome switch and outputs a signal from a switch line of the dome switch to detect that the door is not closed; in the closed state, no signal is output from the switch line to detect that the door is closed, with the lower side of the triangular tongue 10 away from the dome switch.

When the lock is used and a door is closed, the handle shifting peach 61 is rotated anticlockwise, the handle shifting peach 61 drives the double-fast rotating pieces 63 respectively, the double-fast rotating pieces 63 drive the sliding block plates 72 and the connecting rods 71, and the connecting rods 71 drive the square bolt assemblies 4 to extend out, so that one-step quick door locking is realized; meanwhile, in the door locking state, the oblique tongue component 5 extends out under the force action of the oblique tongue spring, the triangular tongue 10 presses the door buckle plate and then retracts into the bottom box 3, the positioning pin at the rear end of the triangular tongue 10 moves backwards in the special-shaped limiting hole in the safety piece 11 to remove the limitation on the safety piece 11, the safety piece 11 deflects upwards under the torsion action of the safety torsion spring 12 and then props against the rear end of the oblique tongue component 5, the door seam is enabled to be pried by a tool to block the oblique tongue component 5 to retract, and the oblique tongue component 5 has the anti-insertion function.

In the door locking state, the handle shifting peach 61 is rotated clockwise, the handle shifting peach 61 drives the double-fast rotating piece 63 and the handle rotating piece 62 respectively, the double-fast rotating piece 63 drives the sliding block plate 72, the handle rotating piece 62 drives the lock cylinder rotating piece 60 through the linkage piece 620, the double-fast rotating piece 63 drives the connecting rod 71, the square tongue assembly 4 is driven to retract through the connecting rod 71 and the sliding block plate 72, the transmission shifting piece 601 of the lock cylinder rotating piece 60 pushes the rear end of the safety piece 11, the safety piece 11 is released from locking the oblique tongue assembly 5 after deflecting, the handle shifting peach 61 is rotated continuously, the handle rotating piece 62 drives the oblique tongue assembly 5 to retract, and one-step quick door opening is achieved.

Or in the door locking state, the lock core poking peach is rotated clockwise, the lock core poking peach drives the sliding block plate 72 to move upwards and simultaneously drives the square tongue component 4 to retract, the lock core poking peach is continuously rotated after the square tongue component 4 retracts, the lock core poking peach drives the lock core rotating sheet 60 to rotate clockwise through the square tongue driving sheet 70, the driving poking sheet 601 of the lock core rotating sheet 60 pushes the rear end of the safety sheet 11 and enables the safety sheet 11 to deflect and then the locking of the latch bolt component 5 is released, the lock core poking peach is continuously rotated to pull the lock core rotating sheet 60, the lock core rotating sheet 60 drives the latch bolt component 5 to retract, and the one-step quick door opening is also realized.

The above-mentioned embodiments are only preferred embodiments of the present invention, not limiting the scope of the present invention, and all equivalent changes made by the shape, structure and principle of the present invention should be covered by the protection scope of the present invention.

Claims (3)

1. A rapid opening and closing door lock body with an anti-insertion function comprises a box cover, a lining plate, a bottom box, a square tongue component and a latch bolt component, wherein the lining plate is arranged on the front side of the side wall of the bottom box; the method is characterized in that:

a shifting fork device and a square tongue linkage component forming a shifting connection relationship between the shifting fork device and the square tongue component are also arranged in the bottom box;

the shifting fork device comprises a lock cylinder rotating sheet, a handle shifting peach, a handle rotating sheet and a double-fast rotating sheet, the lock cylinder rotating sheet is sleeved on the outer side of the handle shifting peach in a coaxial rotating mode, and the handle rotating sheet and the double-fast rotating sheet are sleeved on the inner side of the handle shifting peach in a coaxial follow-up mode after being overlapped;

the square tongue linkage assembly comprises a lock cylinder shifting peach, square tongue transmission pieces, a connecting rod and a sliding block plate, the sliding block plate is arranged on the inner side of the square tongue assembly and is tightly attached to the inner side of the bottom box, a sliding plate tension spring for pulling the sliding block plate to move downwards for resetting is arranged in the corresponding bottom box, the lock cylinder corresponding to the lock cylinder shifting peach is arranged in a lock cylinder hole in the bottom box, the sliding block plate is pushed to slide up and down after the lock cylinder shifting peach rotates, and a sliding plate hook which is contacted with the outer edges of the double-quick rotating pieces and slides up under the stirring of the double-quick rotating pieces is arranged on the upward bulge;

one end of the square tongue driving piece is hinged to the square tongue assembly through a guide nail, the other end of the square tongue driving piece forms a driving hook hung on the lower side of the lock cylinder rotating piece, and a hanging hole matched with the driving hook hanging buckle at the end part of the square tongue driving piece is formed in the corresponding lower side of the lock cylinder rotating piece in an extending mode;

one end of the connecting rod, which is positioned beside the square tongue transmission piece, is hinged on the square tongue component through a guide nail, and the other end of the connecting rod is hinged on the sliding block plate through a guide nail and the end part of the connecting rod abuts against an inwards sunken concave groove in the middle of the lower side of the double-fast rotating piece;

the inner side of the lining plate of the bottom box is also provided with a self-expanding torsion spring and a triangular tongue which extends out of the lining plate under the pushing of the self-expanding torsion spring, the rear side of the corresponding triangular tongue is provided with a safety sheet which is hinged in the bottom box and used for abutting against the rear end of the inclined tongue assembly after the door is closed to limit the retraction of the inclined tongue assembly so as to prevent the door seam from being pried into the anti-insertion function by a tool, the bottom box is internally provided with a safety torsion spring which drives the safety sheet to rotate and displace in a self-rotating manner and abuts against the rear end of the inclined tongue head in a normal state, and the rear end of the triangular tongue; the middle part of the lock cylinder rotating sheet extends outwards and is provided with a transmission shifting sheet which pushes the rear end of the safety sheet and releases the locking of the latch bolt assembly after the safety sheet deflects;

the lock cylinder rotating sheet and the handle rotating sheet are both provided with a shifting arm which is extended upwards, is provided with a shifting arm which is contacted with the rear end of an oblique tongue rod on the oblique tongue component after rotating and pushes an oblique tongue head at the front end of the oblique tongue rod to retract into the lining plate, and the shifting arm of the handle rotating sheet is also provided with a linkage sheet which is extended axially along the handle shifting rod and drives the lock cylinder rotating sheet to rotate by shifting the shifting arm of the lock cylinder rotating sheet;

when the door is closed, the handle shifting peach is rotated anticlockwise, the handle shifting peach drives the double-fast rotating pieces respectively, the double-fast rotating pieces drive the sliding block plate and the connecting rod, and the connecting rod drives the square bolt assembly to extend out to lock the door; under the door locking state, the oblique tongue component extends out under the action of the force of the oblique tongue spring, the triangular tongue presses the door buckle plate and then retracts into the bottom box, the positioning pin at the rear end of the triangular tongue moves backwards in the special-shaped limiting hole in the safety piece to remove the limitation on the safety piece, the safety piece deflects upwards under the torsion action of the safety torsion spring and then props against the rear end of the oblique tongue head of the oblique tongue component, so that the oblique tongue component is prevented from retracting when the door seam is pried by a tool, and the oblique tongue component has an anti-insertion function;

in a door locking state, clockwise rotating a handle shifting peach, wherein the handle shifting peach respectively drives a double-fast rotating sheet and a handle rotating sheet, the double-fast rotating sheet drives a sliding block plate, the handle rotating sheet drives a lock cylinder rotating sheet through a linkage sheet, the double-fast rotating sheet drives a connecting rod, a square bolt assembly is driven to retract through the connecting rod and the sliding block plate, a transmission shifting sheet of the lock cylinder rotating sheet pushes the rear end of a safety sheet and releases the locking of the inclined bolt assembly after the safety sheet deflects, the handle shifting peach is continuously rotated, and the handle rotating sheet drives the inclined bolt assembly to retract to open the door;

under the state of locking a door, clockwise rotation lock core thumb peach, lock core thumb peach drives the slider board and upwards moves, drive square tongue subassembly withdrawal simultaneously, continue to rotate lock core thumb peach after the square tongue subassembly withdrawal, lock core thumb peach passes through square tongue driving piece drive lock core rotor piece and clockwise rotates, the transmission plectrum of lock core rotor piece promotes the safety piece rear end, and remove the latch bolt subassembly locking after making the safety piece deflect, continue to rotate lock core thumb peach and stimulate the lock core rotor piece, the lock core rotor piece drives the latch bolt subassembly and retracts the door.

2. The lock body of claim 1, wherein a spring switch is provided under the cam tongue for sensing the stroke position of the cam tongue, confirming that the door lock is closed when the cam tongue is pressed flat and retracted into the lining plate, and confirming that the door lock is not closed when the cam tongue is ejected and extending out of the lining plate.

3. The lock body of the rapid opening and closing door with the anti-insertion function as claimed in claim 1, wherein a reversing positioning piece for facilitating reversing control of the latch bolt assembly is further provided on the upper side of the bottom case.

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