CN113738197A

CN113738197A - Lock body with false top and bottom rod

Info

Publication number: CN113738197A
Application number: CN202110889461.9A
Authority: CN
Inventors: 刘连生; 王强
Original assignee: Shenzhen Poka Electronic Equipment Co ltd
Current assignee: Shenzhen Poka Electronic Equipment Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-12-03
Anticipated expiration: 2041-08-04
Also published as: CN113738197B

Abstract

The invention relates to a lock body with a false ground rod, which comprises a shell, a gear box, a square tongue thumb wheel assembly, a square tongue, a handle transmission assembly, an oblique tongue catch assembly and an oblique tongue assembly, wherein the shell consists of a bottom shell, a guide plate and a cover plate; the front end of the latch tongue separation blade is clamped into a notch concavely arranged on the side wall of the latch tongue assembly; the two false top and bottom rods respectively penetrate through two sides of the shell and extend outwards to be folded for multiple times and then are bent backwards for 90 degrees to form a top and bottom hook. The lock body provided by the invention realizes the locking and unlocking of the lock body through the mutual meshing of the gear and the rack and through the gear box or the handle.

Description

Lock body with false top and bottom rod

Technical Field

The invention relates to the technical field of locks, in particular to a lock body with a fake world pole.

Background

Most lock bodies on the market at present are provided with the oblique tongue and the dead bolt simultaneously, the oblique tongue can be retracted along the oblique surface of the oblique tongue when the door is closed, and after the lock body is in place, the oblique tongue is pressed by external force and is popped out to fall into the vertical surface in the lock hole to be abutted against the lock hole, so that the locking of the oblique tongue is realized, and in addition, the dead bolt can be controlled to extend out through a key in a lock closing state, so that double insurance is achieved; due to the arrangement of the latch bolt and the lock hole, the lock body is often installed in a unified direction, and under the condition that the lock body cannot be used correspondingly, a tool is often used for carrying out lock hole punching treatment on the door frame, so that the installation difficulty is undoubtedly increased;

the lock body is not provided with other safety mechanisms except for the safety of the latch bolt and the dead bolt, so that the use range and the safety are limited to a certain extent; in addition, the unlocking mode of the current lock body is single.

Disclosure of Invention

The purpose of the invention is: the lock body with the fake world pole solves the problems that an existing lock can only be installed in a single direction and the safety is not high.

The technical solution of the invention is as follows: a lock body with a false ground rod is characterized by comprising a shell, a gear box, a square tongue shifting wheel assembly, a square tongue, a handle transmission assembly, an oblique tongue blocking piece assembly and an oblique tongue assembly, wherein the shell is composed of a bottom shell, a guide plate and a cover plate, the gear box is arranged in an inner cavity of the shell, the square tongue shifting wheel assembly, the square tongue, the handle transmission assembly, the oblique tongue blocking piece assembly and the oblique tongue assembly are arranged between the gear box and the square tongue shifting wheel assembly and between the square tongue shifting wheel assembly and the handle transmission assembly respectively through gear meshing to realize transmission connection, the square tongue shifting wheel assembly drives the square tongue to move back and forth through matching of a notch and a molding block, the oblique tongue blocking piece assembly is arranged on the bottom shell through an upright post, and the rear end of an oblique tongue blocking piece of the oblique tongue blocking piece assembly extends backwards and is close to the handle transmission assembly; the front end of the latch tongue separation blade is clamped into a notch concavely arranged on the side wall of the latch tongue assembly to limit the flip of the latch tongue;

the locking mechanism is fixed on the bottom shell, the locking mechanism and the dead bolt are arranged in parallel, and when a separation blade of the locking mechanism extends out, the dead bolt is just prevented from moving backwards;

the artificial hook is characterized by further comprising a triangular tongue assembly fixed on the bottom shell and penetrating through the guide plate to extend outwards, and artificial top and bottom rods fixed on two sides of the shell respectively through bolts, wherein the artificial top and bottom rods penetrate through the side wall of the shell to extend outwards and are bent backwards by 90 degrees after being folded for multiple times, and a top and bottom hook is formed.

Preferably, the method comprises the following steps: the square tongue thumb wheel assembly comprises a square tongue thumb wheel gear and a square tongue thumb wheel which are sequentially sleeved on the square tongue thumb wheel sleeve from top to bottom;

a plurality of gear teeth are arrayed on the upper surface of the square tongue thumb wheel gear circumferentially around the axis, and a ring groove is concavely arranged on the lower surface of the square tongue thumb wheel gear;

the upper surface of the square tongue shifting wheel is convexly provided with a limiting block which is arranged in the annular groove, the lower surface of the square tongue shifting wheel is provided with a plurality of gear teeth around the circumference of the axis, the side wall of the square tongue shifting wheel, which is positioned on one side of the limiting block, is convexly provided with a profile block, and the opposite side of the profile block is convexly provided with a convex shoulder;

the arc length of annular is greater than the arc length of stopper, place in the stopper in the annular and freely slide.

Preferably, the method comprises the following steps: the square tongue thumb wheel gear fixing device is characterized by further comprising a square tongue thumb wheel positioning spring which is installed on the bottom shell through a fixing column, a pin fixing block is further arranged on the side wall of the square tongue thumb wheel gear in a protruding mode, and pins of the square tongue thumb wheel positioning spring are fixed on the pin fixing block.

Preferably, the method comprises the following steps: the rear end of the square tongue extends backwards to form a square tongue extending plate, the square tongue extending plate comprises a connecting section and a transmission section, the connecting section is integrally formed, the transmission section is formed by extending the connecting section backwards, and the square tongue extending plate is integrally Y-shaped;

the side wall of the connecting section, which is positioned at one side of the locking mechanism, is bent downwards to form a baffle plate, the side wall of the transmission section, which is positioned at one side of the square tongue shifting wheel assembly, is concavely provided with a notch, and a section block on the square tongue shifting wheel of the square tongue shifting wheel assembly is embedded into the notch;

the square tongue poking wheel rotates, and the profile block abuts against the inner wall of the opening, so that the square tongue extending plate is driven to move back and forth, and unlocking of the square tongue are achieved.

Preferably, the method comprises the following steps: the handle transmission assembly comprises a handle cam fixed on the bottom shell, and an unlocking plate, a forward rotation gear, a return spring and a return gasket which are sequentially sleeved on the handle cam from top to bottom;

the side wall of the handle cam is convexly provided with a convex block, and a square hole for mounting a handle penetrates through the center of the convex block;

a through hole with the same shape as the cross section of the handle cam penetrates through the center of the unlocking piece, and a pair of opposite stop blocks are convexly arranged on the lower surface of the unlocking piece;

the center of the forward rotation gear penetrates through a center hole, the center hole comprises a round hole and a slotted hole communicated with the round hole, the diameter of the round hole is the same as the diameter of a cylinder of the handle cam, the slotted hole is located at the position corresponding to the lug, a sliding groove of the slotted hole is larger than the arc length of the lug, and a plurality of gear teeth are convexly arranged on the side wall of one side, close to the square tongue shifting wheel assembly, of the forward rotation gear.

Preferably, the method comprises the following steps: the inclined tongue blocking piece assembly comprises an inclined tongue blocking piece and a blocking piece torsional spring which are fixed on the bottom shell through an upright post;

the rear end of the latch bolt blocking piece extends backwards and is arranged between the unlocking plate and the forward rotation gear, and the front end of the latch bolt blocking piece extends forwards and extends into a notch concavely arranged on the side wall of the latch bolt assembly;

the separation blade torsional spring suit is on the stand, and a pin is fixed in the drain pan, and another pin offsets with oblique tongue separation blade front end lateral wall.

Preferably, the method comprises the following steps: the oblique tongue assembly comprises an oblique tongue limiting plate fixed on the bottom shell, an oblique tongue module which is movably arranged in the oblique tongue limiting plate and extends outwards along a lock hole penetrating through the guide plate, a first reset spring arranged in the oblique tongue limiting plate and an oblique tongue gasket arranged on the oblique tongue limiting plate;

the oblique tongue module comprises an oblique tongue and an oblique tongue return block which are close to each other, two sides of the rear end of the oblique tongue extend backwards to form oblique tongue extension blocks, a notch is formed in the outer wall of each oblique tongue extension block in a concave mode, the front end of each oblique tongue extension block abuts against the guide plate, and the contact surface of the oblique tongue and the oblique tongue return block is designed to be a curved surface;

the first return spring is arranged in the oblique tongue limiting plate, one end of the first return spring is abutted against the oblique tongue return block, and the other end of the first return spring is abutted against the oblique tongue return plate.

Preferably, the method comprises the following steps: the locking mechanism comprises a fixed seat fixed on the bottom shell, a fixed column fixed on the bottom shell, a motor arranged in the fixed seat, a baffle movably arranged on the bottom shell and a second return spring;

a notch is concavely arranged on the bottom surface of the baffle, and a fixing groove is concavely arranged at one end close to the fixing column;

one end of the second return spring is sleeved on the fixed column, and the other end of the second return spring is sleeved in the fixed groove;

a driving block is sleeved on a driving shaft of the motor, a guide pillar is arranged on the driving block in a protruding mode, and the guide pillar is clamped into the notch;

the motor controls the driving block to rotate, the baffle is controlled to extend towards the position of the square tongue under the rotating action of the guide pillar, and the baffle is matched with the baffle formed by bending the rear part of the square tongue to limit the square tongue to move backwards and limit unlocking.

Preferably, the method comprises the following steps: the key unlocking mechanism comprises a mounting seat fixed on the bottom shell, a rotating shaft penetrating through the mounting seat, a sleeve sleeved on the rotating shaft and rotating synchronously, and a key rack;

a key jack is concavely arranged on the rotating shaft;

a key lug is convexly arranged on the outer wall of the sleeve;

the key rack is convexly provided with two key stop blocks which are arranged at intervals on one side close to the key assembly, a plurality of straight teeth are distributed on one side far away from the key assembly, and the key rack is in transmission connection with the square bolt shifting wheel of the square bolt shifting wheel assembly.

Preferably, the method comprises the following steps: still include movable mounting triangle tongue subassembly on the drain pan, triangle tongue subassembly includes triangle tongue fixing base, third reset spring, triangle tongue pin joint seat, connecting rod, triangle tongue fixing base passes through the block structure to be fixed on the drain pan, triangle tongue pin joint seat pin joint is on the bellied projection of drain pan, triangle tongue fixing base is passed to the connecting rod rear end, is connected with triangle tongue pin joint seat, the front end pin joint of connecting rod has the triangle tongue, the third reset spring suit is in on the connecting rod, the triangle tongue passes the deflector exposes.

Compared with the prior art, the invention has the beneficial effects that:

1. the inclined tongue triangular tongue of the lock body is designed to have a turning and telescopic structure, and is not limited to the position of the lock hole during installation of the lock body and is installed only from one direction or the lock hole needs to be manually opened, so that the use range of the lock body is enlarged, and the lock body is installed more conveniently;

2. the lock tongue and the power mechanism are in transmission connection by adopting mutual meshing between the gear and the rack and between the gear and the gear, the service life of the lock body is prolonged by utilizing mechanical transmission, and the working precision of the lock body is improved;

3. the false top and bottom hooks are fixed on the two sides of the lock body through bolts, the exposed state of the false top and bottom hooks is consistent with the retraction state of the lock body with the top and bottom hooks, when the lock is replaced, for a user who does not want to lock the door by using the top and bottom rods when the door is originally provided with the top and bottom rods and the lock is replaced, the top and bottom rods are directly hooked on the top and bottom hooks of the false top and bottom rods without being detached or welded and fixed, and the lock is more convenient and rapid to replace;

on the other hand, for a door (such as a wooden door) without a built-in top and bottom rod, the false top and bottom rods on two sides can be directly installed by only screwing out screws, and the lock is more convenient and quicker to replace;

4. the latch bolt is limited by the latch bolt blocking piece, and the latch bolt is limited by the locking mechanism, so that the further safety locking of the latch bolt and the dead bolt is increased on the basis of the original safety of the latch bolt and the dead bolt, and the safety performance of the lockset is improved;

5. the lock body provided by the invention has multiple unlocking modes, so that a user can be prevented from unlocking in other modes when forgetting a key or a password, and the use convenience is improved.

Drawings

Figure 1 is a schematic structural view of a lock body;

figure 2 is an exploded view of the lock body construction;

figure 3 is an exploded view of the lock body in another orientation;

FIG. 4 is a schematic view of the deadbolt wheel gear of the lock body;

FIG. 5 is a schematic structural view of a deadbolt wheel of the lock body;

FIG. 6 is a schematic structural view of the handle actuator assembly of the lock body;

FIG. 7 is a schematic structural view of a latch bolt assembly of the lock body;

FIG. 8 is a structural schematic view of the lock body after the latch bolt of the latch bolt assembly has been flipped;

fig. 9 is a schematic structural view of the locking mechanism (without the fixed column and the second return spring).

Description of the main Components

11 bottom shell	12 guide plate	13 cover plate	14 second limit column
				2 Gear case	21 output gear	22 transfer gear	31 square bolt thumb wheel gear
311 Ring groove	312 pin fixed block	32 square tongue thumb wheel	Limiting block					321
				322 type block	323 shoulder	33 torsion spring mounting post	331 square tongue thumb wheel positioning spring
4 square tongue	41 square tongue extension board	411 baffle plate	412 gap
				5 handle transmission assembly	51 handle cam	511 bump	512 square hole
52 unlocking piece	521 dog	53 forward rotation gear	54 return spring
				55 return gasket	561 inclined tongue blocking piece	562 baffle torsion spring	6 oblique tongue subassembly
61 oblique tongue limit plate	621 oblique tongue	6211 oblique tongue extension block	6212 notch in the cylinder
				622 oblique tongue return block	63 first return spring	71 fixed seat	72 fixed column
73 electric machine	731 driving block	7311 guide post	74 baffle plate
				741 gap	742 fixed slot	75 second return spring	81 mounting seat
82 rotating shaft	83 Sleeve	84 key rack	91 triangle tongue fixing seat
				92 third return spring	93 triangular tongue	94 triangular tongue pivot joint seat	95 connecting rod
10 false world pole

Detailed Description

The invention will be described in more detail below with reference to the accompanying drawings:

the following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the invention. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.

Referring to fig. 1, 2 and 3, a lock body with a false top and bottom lever comprises a housing composed of a bottom shell 11, a guide plate 12 and a cover plate 13, a gear box 2 arranged in an inner cavity of the housing, a square tongue thumb wheel assembly, a square tongue 4, a handle transmission assembly 5 and an oblique tongue assembly 6, the lock body further comprises a locking mechanism 7 fixed on the bottom shell, a triangular tongue assembly fixed on the bottom shell and extending outwards through the guide plate, and false top and bottom levers 10 fixed on two sides of the housing through bolts, wherein the false top and bottom levers 10 extend outwards through side walls of the housing and are folded for multiple times and then are bent backwards by 90 degrees to form a top and bottom hook.

The square tongue thumb wheel assembly comprises a square tongue thumb wheel sleeve fixed on the bottom shell, and a square tongue thumb wheel gear 31 and a square tongue thumb wheel 32 which are sequentially sleeved on the square tongue thumb wheel sleeve from top to bottom, wherein an output gear 21 is arranged on the gear box 2, and the square tongue thumb wheel gear 31 and the output gear 21 are respectively meshed with a transfer gear 22 fixed on the bottom shell 11 to form transmission connection.

Referring to fig. 4, a plurality of gear teeth engaged with the transfer gear 22 are circumferentially arrayed around the axis on the upper surface of the toggle gear 31, and a circular groove 311 is concavely formed on the lower surface;

referring to fig. 4 and 5, the upper surface of the latch pulling wheel 32 is convexly provided with a limiting block 321 arranged in the ring groove 311, the lower surface of the latch pulling wheel is provided with a plurality of gear teeth arranged in a row around the circumference of the shaft center, a shaped block 322 is convexly provided on the side wall of the latch pulling wheel 32 located at one side of the limiting block 321, a convex shoulder 323 is convexly provided at the opposite side of the shaped block 322, and the convex shoulder 323 is used for pulling the latch catch 561, so that the front end of the latch pulling piece 571 is pulled out from the notch 6211 of the latch 621;

the arc length of the ring groove 311 is greater than that of the limiting block 321, and the limiting block 321 is arranged in the ring groove 311 and slides freely;

referring to fig. 2, 3 and 4, the lock body further includes a positioning spring 331 installed on the bottom case through a torsion spring installation column 33, a pin fixing block 312 is further protruded on a side wall of the square tongue thumb wheel gear 31, and a pin of the positioning spring 331 is fixed on the pin fixing block 312.

Referring to fig. 2 and 3, a tongue extension plate 41 extends backwards from the rear end of the tongue 4, the tongue extension plate 41 includes an integrally formed connection section and a transmission section formed by extending the connection section backwards, the tongue extension plate is integrally in a "Y" shape, a side wall of the tongue extension plate 41 on one side of the locking mechanism 7 is bent downwards to form a baffle 411, a notch 412 is concavely formed in the side wall of the rear end of the tongue extension plate 41, a shaped block 322 on the tongue shifting wheel 32 of the tongue shifting wheel assembly is embedded in the notch, the tongue shifting wheel 32 rotates, and the shaped block 322 drives the tongue extension plate 41 to move forwards and backwards, so that unlocking and unlocking of the tongue 4 are realized.

The square tongue thumb wheel 32 of the square tongue thumb wheel assembly is in transmission connection with the forward rotation gear 52 of the handle transmission assembly 5 through gear engagement.

Referring to fig. 2, 3 and 6, the handle transmission assembly 5 includes a handle cam 51, an unlocking plate 52, a forward rotation gear 53, a return spring 54 and a return pad 55, which are sequentially sleeved on the handle cam from top to bottom;

a convex block 511 is convexly arranged on the side wall of the handle cam 51, and a square hole 512 for mounting a handle is penetrated through the center;

a through hole with the same shape as the cross section of the handle cam penetrates through the center of the unlocking sheet 52, and a pair of opposite stop blocks 521 is convexly arranged on the lower surface;

a central hole penetrates through the center of the forward rotation gear 53, the central hole comprises a circular hole and a slotted hole communicated with the circular hole, the diameter of the circular hole is the same as the diameter of a cylinder of the handle cam, the slotted hole is positioned at the position corresponding to the lug, a sliding chute of the slotted hole is larger than the arc length of the lug, and a plurality of gear teeth are convexly arranged on the side wall of the forward rotation gear 53, which is close to one side of the square tongue shifting wheel assembly;

the bottom shell 11 is further fixedly provided with a first limiting column and a second limiting column 14, one pin of the return spring 54 is arranged between the first limiting column and the second limiting column 14, and the other pin is arranged between the second limiting column 14 and the gear box 2.

Referring to fig. 2 and 3, the latch stop assembly includes a latch stop 561 and a stop torsion spring 562 fixed on the bottom case 11 by an upright post;

the rear end of the inclined tongue blocking piece 561 extends backwards and is arranged between the unlocking piece 52 and the forward rotation gear 53, when the lock body is in a locked state, the side wall of the rear end of the inclined tongue blocking piece abuts against a stop block 521 convexly arranged on the lower surface of the unlocking piece 52, and the front end of the inclined tongue blocking piece extends forwards and is clamped into a notch concavely arranged on the side wall of the inclined tongue assembly 6;

the baffle torsion spring 562 is sleeved on the upright post, one pin is fixed on the bottom shell 11, and the other pin is abutted against the outer side wall of the front end of the latch baffle 561.

Referring to fig. 2, 3, 7 and 8, the latch bolt assembly 6 includes a latch bolt limiting plate 61 fixed on the bottom case 11, a latch bolt module movably installed in the latch bolt limiting plate 61 and extending outward along a lock hole formed in the guide plate 13, a first return spring 63 installed in the latch bolt limiting plate 61, and a latch bolt washer (not shown) installed on the latch bolt limiting plate 61;

the oblique tongue module comprises an oblique tongue 621 and an oblique tongue return block 622 which are mutually abutted, two sides of the rear end of the oblique tongue 62 extend backwards to form oblique tongue extension blocks 6211, notches 6212 are concavely formed in the outer wall of each oblique tongue extension block 6211, the front end of each oblique tongue extension block 6211 abuts against the guide plate 13, the contact surface of the oblique tongue 621 and the oblique tongue return block 622 is designed to be a curved surface, and the oblique tongue 621 can turn around the curved surface;

when the unlocking is needed, the inclined tongue blocking piece 561 moves towards the side surface and leaves the notch 6212, the inclined tongue 621 receives external force to turn around the curved surface, the original plane and the original inclined plane are exchanged and then retract towards the rear end, and the unlocking of the inclined tongue 621 is completed;

when the locking device is locked, the inclined tongue return block 622 drives the inclined tongue 621 to extend out under the elastic force action of the first return spring 63, and after the inclined tongue is reset and turned, the inclined tongue blocking piece 561 moves towards the inner side and is clamped into the notch 6212 to block the inclined tongue 621 from turning, so that the locking of the inclined tongue 621 is completed.

Referring to fig. 2 and 3, the key unlocking mechanism 8 includes a mounting seat 81 fixed on the bottom case 11, a rotating shaft 82 penetrating through the mounting seat 81, a sleeve 83 sleeved on the rotating shaft 82 and rotating synchronously, and a key rack 84;

a key insertion hole is concavely arranged on the rotating shaft 82;

a key lug is convexly arranged on the outer wall of the sleeve 83;

two key stoppers which are arranged at intervals are convexly arranged on one side of the key rack 84 close to the key assembly, a plurality of straight teeth are distributed on one side of the key rack 84 far away from the key assembly, and the key rack 84 is in transmission connection with the square bolt shifting wheel 32 of the square bolt shifting wheel assembly.

In summary, the following steps: the lock body provided by the invention comprises three unlocking modes:

1. unlocking the gear box:

the gear box 2 works to control the output gear 21 to rotate anticlockwise, after the transmission of the output gear 21 through the transfer gear 22, the square tongue thumb wheel gear 31 rotates anticlockwise, the square tongue thumb wheel gear 31 drives the square tongue thumb wheel 32 to rotate anticlockwise through the matching between the annular groove 311 and the limiting block 321, the shaped block 322 is matched with the notch 412 which is concavely arranged on the square tongue extending plate 41 to drive the square tongue extending plate 41 to move backwards, and the unlocking of the square tongue 4 is realized;

the toggle wheel 32 of the square tongue rotates anticlockwise, the rear end of the latch tongue blocking piece 561 is pushed forwards, the latch tongue blocking piece 561 rotates clockwise around the upright post, the front end of the latch tongue blocking piece 561 is pulled out of a notch 6212 concavely arranged on the side surface of the latch tongue 621, the latch tongue 621 is unlocked, and the latch tongue 621 can turn over freely;

the latch tongue 621 turns around the curved surface under the action of external force, so that the original plane and the original inclined plane are exchanged and then retract backwards under the action of external force to complete unlocking of the latch tongue.

2. Unlocking a handle:

the handle cam 51 rotates clockwise under the external force of the handle, the handle transmission assembly 5 rotates clockwise integrally, the stop block 521 below the unlocking sheet 52 pushes the rear end of the inclined tongue blocking sheet 561 forward, the inclined tongue blocking sheet 561 rotates clockwise around the upright post, the front end of the inclined tongue blocking sheet 561 is pulled out of a notch 6212 concavely arranged on the side surface of the inclined tongue 621, the inclined tongue 621 is unlocked, and the inclined tongue 621 can turn over freely;

the lug 511 of the handle cam 51 drives the forward rotation gear 53 to rotate clockwise, and drives the square tongue poking wheel 32 to rotate anticlockwise through gear transmission, and the shaped block 322 is matched with a notch 412 which is concavely arranged on the square tongue extending plate 41 to drive the square tongue extending plate 41 to move backwards, so that the unlocking of the square tongue 4 is realized;

3. Unlocking by a key:

a key is inserted into the key insertion hole of the rotating shaft 82 and rotates clockwise to drive the rotating shaft 82 to rotate, the sleeve 83 rotates clockwise, the key lug stirs the key rack 84 to move backwards, so that the square tongue poking wheel assembly is driven to rotate anticlockwise integrally, the profile block 322 is matched with the notch 412 to drive the square tongue 4 to move towards the rear end, and unlocking of the square tongue 4 is completed;

Referring to fig. 3 and 9, the locking mechanism includes a fixing base 71 fixed on the bottom case 11, a fixing post 72 fixed on the bottom case 11, a motor 73 installed in the fixing base 71, a baffle 74 movably installed on the bottom case 11, and a second return spring 75;

a notch 741 is concavely arranged on the bottom surface of the baffle 74, and a fixing groove 742 is concavely arranged at one end close to the fixing column 72;

one end of the second return spring 75 is sleeved on the fixing column 72, and the other end is sleeved in the fixing groove 742;

a driving block 731 is sleeved on a driving shaft of the motor 73, a guide post 7311 is convexly arranged on the driving block 731, and the guide post is clamped in the gap 741;

the motor 73 controls the driving block 731 to rotate, and under the rotation action of the guide post 7311, the poking baffle 74 extends towards the dead bolt and is matched with the baffle 411 formed by bending the rear part of the dead bolt 4, so that the dead bolt 4 is limited to move backwards, and unlocking is limited.

Triangle tongue subassembly includes triangle tongue fixing base 91, third reset spring 92, triangle tongue 93, triangle tongue pin joint seat 94, connecting rod 95, triangle tongue fixing base 91 passes through the block structure to be fixed on drain pan 11, triangle tongue pin joint seat 94 pin joint is on the bellied projection of drain pan 11, triangle tongue fixing base 91 is passed to connecting rod 95 rear end, is connected with triangle tongue pin joint seat 94, the front end pin joint of connecting rod 95 has triangle tongue 93, third reset spring 92 suit is in on connecting rod 95, triangle tongue 93 passes deflector 12 exposes under the effect of external force, triangle tongue 93 can wind the front end of connecting rod 95 overturns, and receives external force effect to retract into the lock in vivo.

The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. A lock body with a false ground rod is characterized by comprising a shell, a gear box, a square tongue shifting wheel assembly, a square tongue, a handle transmission assembly, an oblique tongue blocking piece assembly and an oblique tongue assembly, wherein the shell is composed of a bottom shell, a guide plate and a cover plate, the gear box is arranged in an inner cavity of the shell, the square tongue shifting wheel assembly, the square tongue, the handle transmission assembly, the oblique tongue blocking piece assembly and the oblique tongue assembly are arranged between the gear box and the square tongue shifting wheel assembly and between the square tongue shifting wheel assembly and the handle transmission assembly respectively through gear meshing to realize transmission connection, the square tongue shifting wheel assembly drives the square tongue to move back and forth through matching of a notch and a section block, the oblique tongue blocking piece assembly is arranged on the bottom shell through an upright post, and the rear end of an oblique tongue blocking piece of the oblique tongue blocking piece assembly extends backwards and is close to the handle transmission assembly; the front end of the latch tongue separation blade is clamped into a notch concavely arranged on the side wall of the latch tongue assembly to limit the flip of the latch tongue;

2. The lock body with the false ground rod as claimed in claim 1, wherein the square bolt thumb wheel assembly comprises a square bolt thumb wheel gear and a square bolt thumb wheel which are sleeved on the square bolt thumb wheel sleeve in sequence from top to bottom;

3. The lock body with the false ground lever as claimed in claim 2, further comprising a positioning spring of the toggle wheel mounted on the bottom shell via a fixing post, wherein a pin fixing block is protruded from the side wall of the toggle wheel gear, and the pin of the positioning spring of the toggle wheel is fixed on the pin fixing block.

4. The lock body with the false ground rod as claimed in claim 1, wherein the rear end of the square bolt extends backwards to form a square bolt extension plate, the square bolt extension plate comprises an integrally formed connecting section and a transmission section formed by extending the connecting section backwards, and the square bolt extension plate is integrally Y-shaped;

5. The lock body with the fake world pole of claim 1, wherein the handle transmission component comprises a handle cam fixed on the bottom shell, an unlocking plate, a forward rotation gear, a return spring and a return gasket, wherein the unlocking plate, the forward rotation gear, the return spring and the return gasket are sequentially sleeved on the handle cam from top to bottom;

6. The lock body with the pseudo-ground rod of claim 1, wherein the latch stop assembly comprises a latch stop and a stop torsion spring fixed on the bottom case by a post;

7. The lock body with the fake ground rod according to claim 1, wherein the oblique tongue assembly comprises an oblique tongue limiting plate fixed on the bottom shell, an oblique tongue module movably installed in the oblique tongue limiting plate and extending outwards along a lock hole formed by the guide plate in a penetrating manner, a first return spring installed in the oblique tongue limiting plate, and an oblique tongue gasket installed on the oblique tongue limiting plate;

8. The lock body with the fake world pole of claim 1, wherein the locking mechanism comprises a fixed seat fixed on the bottom shell, a fixed column fixed on the bottom shell, a motor installed in the fixed seat, a baffle movably installed on the bottom shell and a second return spring;

9. The lock body with the fake world pole of claim 1, further comprising a key unlocking mechanism, wherein the key unlocking mechanism comprises a mounting seat fixed on the bottom shell, a rotating shaft penetrating through the mounting seat, a sleeve sleeved on the rotating shaft and rotating synchronously, and a key rack;

a key jack is concavely arranged on the rotating shaft;

a key lug is convexly arranged on the outer wall of the sleeve;

10. The mounting seat with the false ground and sky rod of claim 1, further comprising a triangular tongue assembly movably mounted on the bottom case, wherein the triangular tongue assembly comprises a triangular tongue fixing seat, a third return spring, a triangular tongue pivoting seat and a connecting rod, the triangular tongue fixing seat is fixed on the bottom case through a clamping structure, the triangular tongue pivoting seat is pivoted on a convex column of the bottom case, the rear end of the connecting rod penetrates through the triangular tongue fixing seat and is connected with the triangular tongue pivoting seat, the front end of the connecting rod is pivoted with the triangular tongue, the third return spring is sleeved on the connecting rod, and the triangular tongue penetrates through the guide plate to be exposed.