CN113530374B

CN113530374B - Lock body with split hole site and top and bottom rod

Info

Publication number: CN113530374B
Application number: CN202110889460.4A
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: 2022-05-17
Anticipated expiration: 2041-08-04
Also published as: CN113530374A

Abstract

The invention relates to a lock body with a split hole site and a ground rod, which comprises a shell formed by mutually combining a bottom plate assembly, a cover plate and a guide plate, and a gear box, a main tongue unlocking mechanism and a radial tongue unlocking mechanism which are arranged in the shell, wherein the gear box is connected with the main tongue unlocking mechanism through gear transmission; the main tongue unlocking mechanism comprises a transmission component, a handle unlocking component, a dead tongue unlocking component and an inclined tongue component which are fixed on the bottom component; the spoke tongue unlocking mechanism comprises a pair of ground rod unlocking components which are arranged in parallel and spoke tongue unlocking components which are arranged on the two sides of the shell and controlled by the ground rod unlocking components; and the locking mechanism is used for limiting the retraction of the ground rod. The lock body provided by the invention is in transmission connection with each other through the gear, the thumb wheel and the rack, and realizes locking and unlocking of the hook and the bolt through the gear box or the handle.

Description

Lock body with split hole site and top and bottom rod

Technical Field

The invention relates to the technical field of locks, in particular to a lock body with split hole sites and a top and bottom rod.

Background

In the field of existing locks, most common locks are mechanical locks, and the basic principle of the mechanical locks is that a key is matched with marbles with different lengths on a lock core, so that the marbles are aligned to form a plane on the lock core, and the lock can be rotated on a lock body to achieve the purpose of unlocking;

in addition, most of existing locksets only have a mode of unblock, when the user goes out to forget the key, then must look for the locksmith and unblank, and is very troublesome.

Disclosure of Invention

The purpose of the invention is: the lock body with the split hole sites and the world rods solves the problem of single unlocking mode.

The technical solution of the invention is as follows: a lock body with a split hole site and a ground rod is characterized by comprising a shell formed by mutually combining a bottom plate assembly, a cover plate and a guide plate, and a gear box, a main tongue unlocking mechanism and a radial tongue unlocking mechanism which are arranged in the shell, wherein the gear box is connected with the main tongue unlocking mechanism through gear transmission;

the main tongue unlocking mechanism comprises a transmission part, a handle unlocking part, a dead tongue unlocking part and an inclined tongue part which are fixed on the bottom assembly, the transmission part and an output gear of the gear box, the transmission part and the handle unlocking part and the dead tongue unlocking part are respectively in meshed transmission connection through gears, the handle unlocking part is provided with a cantilever, and the locking and unlocking of the inclined tongue part are controlled through the swinging of the cantilever;

the spoke and floor bar unlocking mechanism comprises a pair of spoke and floor bar unlocking parts which are arranged in parallel and are positioned on two sides of the bottom plate assembly and are respectively in transmission connection with the spoke and floor bar unlocking parts through spoke and floor bar transmission thumb wheels, the spoke and floor bar unlocking parts are in transmission connection with the square tongue unlocking parts through unlocking thumb wheels, and the two-day floor bar unlocking parts are in transmission connection through transmission gears;

the gear box is internally provided with a gear set and a clutch gear, the gear set comprises a primary gear, a secondary gear, a tertiary gear, a quaternary gear and a quintuplet gear, the clutch gear and the tertiary gear are coaxially arranged and synchronously rotate, and the tertiary gear is in transmission connection with the quaternary gear through the clutch gear;

the upper part of the clutch gear is fixedly provided with a clutch link joint, a through hole is arranged on the upper shell of the gear box corresponding to the third-stage gear in a penetrating way, guide grooves are concavely arranged on two sides of the through hole, the clutch gear and the clutch link joint penetrate through the through hole to expose out of the upper shell of the gear box, guide columns matched with the guide grooves are respectively convexly arranged on two sides of the clutch link joint, when the clutch gear is lifted upwards along a central shaft under the action of the clutch link joint, the fourth-stage gear is separated from the clutch gear and does not have gear transmission with each other;

the clutch component comprises a clutch transition rod sleeved on a thumb wheel sleeve of the transmission component and a clutch upper cover component movably mounted at the top of an upper shell of the gear box;

the clutch upper cover assembly comprises a first fixed column and a first mounting column which are fixed on a bottom shell assembly of the transmission component, a movable plate which is movably mounted on the first mounting column and is positioned at the top of an upper shell of the gear box, a second return spring which is connected with the first fixed column and the movable plate, and a clutch upper cover which is fixed on the movable plate;

a movable groove matched with the first mounting column penetrates through the movable plate, one side of the movable plate, which is close to the first fixing column, is bent downwards to form a folded plate, one end of the second reset spring is fixed on the first fixing column, and the other end of the second reset spring is sleeved on the folded plate;

a through hole is formed in the center of the clutch upper cover in a penetrating manner, sliding grooves which are obliquely arranged from top to bottom are formed in two side walls of the through hole in a penetrating manner, the clutch link joint penetrates through the through hole to expose out of an upper shell of the gear box, and guide columns on two sides of the clutch link joint penetrate through the sliding grooves and are installed in the guide grooves;

the lock further comprises a locking mechanism arranged in the shell, and the locking mechanism limits the unlocking of the lock body by limiting the retraction of the locking component of the ground rod.

Preferably, the method comprises the following steps: the gear box comprises a gear box bottom shell fixed on the bottom plate assembly, a gear box upper shell installed on the gear box bottom shell, a brushless motor installed on the gear box bottom shell, a primary gear, a secondary gear, a tertiary gear, a quaternary gear and a quinary gear, wherein the primary gear, the secondary gear, the tertiary gear, the quaternary gear and the quinary gear are respectively installed between the gear box bottom shell and the gear box upper shell through a central shaft;

a motor gear is further sleeved on an output shaft of the brushless motor, a primary pinion and a secondary pinion are further fixedly arranged on central shafts of the primary gear and the secondary gear respectively, a clutch gear which rotates synchronously is arranged on a central shaft of the tertiary gear, and a clutch link joint is fixedly arranged at the upper part of the clutch gear;

a through hole is formed in the upper shell of the gear box corresponding to the three-stage gear in a penetrating mode, guide grooves are concavely formed in two sides of the through hole, the clutch gear and the clutch link joint penetrate through the through hole to be exposed out of the upper shell of the gear box, and guide columns matched with the guide grooves are convexly formed in two sides of the clutch link joint respectively;

the motor gear meshes with one-level gear, one-level pinion and second gear engagement, second grade pinion and tertiary gear engagement, clutch gear and tertiary gear synchronous revolution, amount clutch gear and quaternary gear engagement, five-stage gear and quaternary gear engagement work as clutch gear is upwards mentioned along the center pin under the effect of separation and reunion link, and quaternary gear and clutch gear break away from and do not have gear drive each other.

Preferably, the method comprises the following steps: the upper surface of the third-level gear is concavely provided with a groove around the central shaft, the lower surface of the clutch gear is convexly provided with a section block matched with the shape of the groove, and the section groove is matched with the section block to realize synchronous rotation of the clutch gear and the third-level gear.

Preferably, the method comprises the following steps: the transmission component comprises a shaft body fixed on the bottom shell assembly, a shifting wheel, a first step gear and a shifting wheel sleeve, wherein the shifting wheel, the first step gear and the shifting wheel sleeve are sequentially sleeved on the shaft body from top to bottom;

the bottom surface of the second-stage shifting wheel is convexly provided with a first limiting block and a second limiting block and used for pushing the first step type gear to rotate, the second-stage shifting wheel is concavely provided with a first notch at one side of the square tongue unlocking part, and the bottom surface of the second-stage shifting wheel is convexly provided with a first guide pillar at the edge of the first notch.

Preferably, the method comprises the following steps: the handle unlocking part comprises a handle cam fixed on the bottom plate assembly, an upper gasket, a handle deflector rod, a reset torsion spring, a lower gasket, a latch bolt unlocking deflector rod and a second stepped gear, wherein the upper gasket, the handle deflector rod, the reset torsion spring, the lower gasket, the latch bolt unlocking deflector rod and the second stepped gear are sequentially sleeved on the handle cam from top to bottom;

a square hole for mounting a handle is formed in the center of the handle cam in a penetrating mode, two sides of the outer wall of the handle cam are subjected to flattening treatment, and the whole handle cam is in a straight groove shape;

a through hole with the shape consistent with that of the outer wall of the handle cam penetrates through the center of the handle deflector rod, a first cantilever extends from one side close to the latch bolt part, and a convex shoulder is convexly arranged on the opposite side of the first cantilever;

a through hole with the shape consistent with that of the outer wall of the handle cam penetrates through the center of the latch unlocking deflector rod, a second cantilever extends from one side close to the latch part, and a plurality of gear teeth meshed with the first stepped gear are distributed on the opposite side of the second cantilever;

one pin of the reset torsion spring is fixed on the base assembly, and the other pin of the reset torsion spring is abutted against the outer wall of the gear box;

and a through hole with the shape consistent with that of the outer wall of the handle cam penetrates through the center of the second stepped gear.

Preferably, the method comprises the following steps: the inclined tongue component comprises an inclined tongue fixing seat fixed on the bottom plate component, an inclined tongue movable seat movably mounted on the bottom plate component along the sliding groove, an inclined tongue and a first reset spring, wherein a connecting rod extends from the rear end of the inclined tongue, penetrates through the inclined tongue fixing seat and then is fixed on the inclined tongue movable seat, and the first reset spring is sleeved on the connecting rod and is positioned between the inclined tongue and the inclined tongue movable seat;

the cantilever of the handle unlocking part is arranged between the latch bolt fixing seat and the latch bolt fixing seat, and the cantilever moves backwards to drive the latch bolt movable seat to move backwards so as to drive the latch bolt to integrally move backwards to complete unlocking; after the cantilever is reset, the latch bolt is reset under the action of the first reset spring to complete locking.

Preferably, the method comprises the following steps: the square tongue unlocking part comprises a square tongue which is movably arranged on the bottom plate component and extends out along the guide plate, and a connecting rod which forms transmission connection between the square tongue and the handle unlocking part;

the connecting rod comprises a gear tooth section, a rotating central section and a transmission section which are integrally formed, a mounting hole is formed in the center of the gear tooth section in a penetrating mode, a plurality of gear teeth meshed with the second step gear are uniformly distributed on the outer edge of the gear tooth section, a concave groove is concavely formed in the side wall of the rotating central section, close to one side of the transmission part, a slotted hole is formed in the center of the transmission section in a penetrating mode, the connecting rod is pivoted to the bottom of the gear box through the mounting hole, and the connecting rod is tightly attached to the outer wall of the shifting wheel sleeve through the concave groove;

the square bolt includes integrated into one piece's spring bolt section and rack section, the through-hole that wears to establish on the spring bolt section along the deflector stretches out or contracts back under the effect of connecting rod, rack section lateral wall has laid a plurality of straight-teeth, and the lateral wall that is located rack section rear end is concave to be equipped with the second notch, is located rack section upper surface and the protruding second guide pillar that is equipped with in second notch edge, is located rack section terminal bottom surface protruding be equipped with slotted hole complex projection.

Preferably, the method comprises the following steps: the top and bottom rod unlocking part comprises an unlocking dial wheel fixed on the bottom plate assembly, a right top and bottom rod which is slidably installed on the bottom plate assembly and is in transmission connection with the unlocking dial wheel, a transmission gear which is fixed on the bottom plate assembly and is in transmission connection with the right top and bottom rod, and a left top and bottom rod which is slidably installed on the bottom plate assembly and is in transmission connection with the transmission gear;

the unlocking shifting wheel comprises a third step gear and a top and bottom rod shifting wheel which are vertically arranged and integrally formed, and the third step gear is meshed with straight teeth distributed on a rack section of a square bolt of the square bolt unlocking component;

the right ground rod comprises an integrally formed right rod body and a right ground hook formed by continuously bending the right rod body after the right rod body penetrates through the shell and extends outwards, the right ground hook and the right rod body are arranged perpendicular to each other, a plurality of limiting grooves matched with limiting columns convexly arranged on the bottom plate assembly are arranged on the right rod body in a penetrating mode, a spoke tongue transmission rack and an unlocking rack meshed with gear teeth of the ground rod shifting wheel are distributed on the rear side of the right rod body, and a transmission rack meshed with the transmission gear is distributed on the front side of the right rod body;

the left top and bottom rod comprises an integrally formed left rod body and a left top and bottom hook, the left rod body penetrates through the shell to extend outwards and then is bent continuously, the left top and bottom hook and the left rod body are arranged perpendicular to each other, a notch is formed in the position, corresponding to the transmission gear, of the rear side of the left rod body, a transmission rack meshed with the transmission gear is distributed on the side wall of the notch, and a spoke tongue transmission rack is further distributed on the section, close to the left top and bottom hook, of the rear side of the left rod body;

the spoke tongue unlocking component comprises a spoke tongue transmission thumb wheel and a spoke tongue, the spoke tongue transmission thumb wheel is installed on the bottom plate component and comprises a top and bottom rod gear and a spoke tongue transmission gear which are vertically arranged and integrally formed, a spoke tongue transmission plate extends from the rear end of the spoke tongue, the spoke tongue transmission plate is in a door shape, one side of the spoke tongue transmission plate is sleeved with a guide pillar movably installed on the bottom plate component, and straight teeth are distributed on the side wall of the other side of the spoke tongue transmission plate;

the top and bottom rods of the top and bottom rod unlocking part move inwards respectively to drive the top and bottom rod gear of the spoke tongue transmission shifting wheel to rotate, and the spoke tongue transmission gear drives the spoke tongue transmission plate to move towards the rear side, so that the unlocking of the spoke tongue is realized.

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

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

the locking mechanism comprises a fixed seat fixed on the bottom shell assembly, a second fixed column, a baffle plate and a third return spring, wherein the baffle plate is arranged in the fixed seat, and a locking motor is movably arranged on the bottom shell assembly;

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

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

a driving block is sleeved on a driving shaft of the locking 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 top and bottom rod unlocking part under the rotating action of the guide pillar, and the top and bottom rod unlocking part is prevented from retracting, so that the rotation of the gear in the lock body is prevented, and the lock body is locked.

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

the lock body provided by the invention utilizes the gear box, the main bolt unlocking mechanism and the radial bolt unlocking mechanism to be mutually connected through the transmission among the gears, the shifting wheel and the rack, so that the extension of the dead bolt, the oblique bolt and the radial bolt can be simultaneously controlled, and the anti-theft performance is integrally improved;

meanwhile, the lock body is also provided with a top and bottom rod, when the lock body needs to be locked, the dead bolt, the inclined bolt, the radial bolt, the left top and bottom rod and the right top and bottom rod are simultaneously extended out under the precise control of the gear and the rack, and are respectively locked in the front, the upper and the lower directions, so that the anti-theft coefficient is further improved.

The lock body also has a plurality of unlocking modes comprising a gear box, a handle and a key, and the unlocking modes are engaged through the clutch part, so that the convenience of unlocking by a user is greatly improved;

in addition, the lock body also comprises a locking mechanism for limiting the retraction of the top and bottom rods, so that the rotation of the gear in the lock body is blocked, the lock body is locked, and the anti-theft coefficient of the lock body is improved.

Drawings

Fig. 1 is a schematic structural view of the lock body of the invention;

figure 2 is an exploded view of the lock body of the present invention;

figure 3 is a schematic structural view (without a housing) of the lock body of the present invention;

figure 4 is an exploded view of the gear box of the lock body of the present invention;

FIG. 5 is a schematic structural diagram of a transmission module of the lock body according to the present invention;

FIG. 6 is a schematic structural view of a handle transmission module of the lock body according to the present invention;

figure 7 is a schematic structural view of the dead bolt of the lock body of the invention;

figure 8 is a schematic structural view of the connecting rod of the lock body of the invention;

FIG. 9 is a schematic structural view of the clutch gear of the lock body of the present invention in an engaged state;

fig. 10 is a schematic structural view of the clutch gear of the lock body of the invention in a clutch state.

Description of the main Components

11 floor assembly	12 cover plate	13 guide plate	2 Gear case
				21 gear box bottom shell	22 gearbox upper casing	221 Gear case top cover	222 guide groove
23 first-stage gear	231 primary pinion	24 two-stage gear	241 two-stage pinion
				25 three-stage gear	251 type groove	26 four-stage gear	27 five-stage gear
271 output gear	28 brushless motor	281 motor gear	29 clutching gear
				291 Clutch Link	2911 guide post	292 type block	31 thumb wheel
311 first-level thumb wheel	312 two-stage thumb wheel	3121A first stop block	3122 second stop block
				3123 first notch	3124 first guide post	32 first step gear	33 thumb wheel sleeve
41 handle cam	42 upper gasket	43 handle deflector rod	431 first cantilever
				432 shoulder	44 restoring torsion spring	45 lower gasket	46 latch bolt unlocking deflector rod
461 second suspension arm	47 second step gear	51 oblique tongue fixing seat	52 oblique tongue movable seat
				53 latch bolt	531 connecting rod	54 first return spring	61 square tongue
611 bolt segment	612 Rack segment	6121 second notch	6122 second guide post
				6123 convex column	62 connecting rod	621 gear tooth segment	622 center section of rotation
6221A pocket	623 drive section	6231 slotted hole	711 unlocking dial wheel
				712 right top and bottom rod	7121 Right rod	7122 hook for right day	713 drive gear
714 left top and bottom pole	7141 left rod	7142 hook for the left sky and the ground	721 spoke tongue driving thumb wheel
				722 spoke tongue	7221 spoke tongue driving plate	81 clutch transition rod	821 first fixed column
822 first mounting post	823 movable plate	824 second return spring	825 clutch upper cover
				8251 sliding groove	831 mounting base	832 rotation axis	833 sleeve
834 key rack	91 fixed seat	92 second fixing column	93 locking motor
				94 baffle	95 third return spring

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 split hole sites and a ground rod comprises a housing formed by a bottom plate assembly 11, a cover plate 12 and a guide plate 13, and a gear box 2, a main tongue unlocking mechanism and a radial tongue unlocking mechanism in the housing;

referring to fig. 2, 3 and 4, the gear box 2 includes a gear box bottom case 21 fixed on the bottom plate assembly 11, a gear box upper case 22 installed on the gear box bottom case 21, a brushless motor 28 installed on the gear box bottom case 21, a first-stage gear 23, a second-stage gear 24, a third-stage gear 25, a fourth-stage gear 26 and a fifth-stage gear 27 installed between the gear box bottom case 21 and the gear box upper case 22 through central shafts, respectively;

a motor gear 281 is further sleeved on the output shaft of the brushless motor 28, a primary pinion 231 is further fixedly arranged on the central shaft of the primary gear 23, and a secondary pinion 241 is further fixedly arranged on the central shaft of the secondary gear 24;

a groove 251 is concavely arranged on the upper surface of the third-stage gear 25 around the central axis, a clutch gear 29 which rotates synchronously is arranged on the central axis of the third-stage gear 25, a block 292 which is matched with the shape of the groove 251 is convexly arranged on the lower surface of the clutch gear 29, the clutch gear 29 can slide up and down relative to the third-stage gear 25 along the central axis, when the block and the groove are matched with each other, the third-stage gear 25 and the clutch gear 29 rotate synchronously, a clutch link 291 is fixedly arranged on the upper part of the clutch gear 29, and guide columns 2911 are symmetrically and convexly arranged on two sides of the clutch link;

a through hole is formed in the gear box upper shell 22 corresponding to the tertiary gear 25 in a penetrating manner, guide grooves 222 are concavely formed in two sides of the through hole, the clutch gear 29 and the clutch link 291 penetrate through the through hole to expose the gear box upper shell 22, and the guide column 2911 is arranged in the guide grooves 222;

the motor gear 281 is meshed with the primary gear 23, the primary pinion 231 is meshed with the secondary gear 24, the secondary pinion 241 is meshed with the tertiary gear 25, the clutch gear 29 and the tertiary gear 25 rotate synchronously, the clutch gear 29 is meshed with the quaternary gear 26, the fifth gear 27 is meshed with the quaternary gear 26, and an output gear 271 is sleeved on a central shaft of the fifth gear 27;

when the guide columns 2911 at both sides of the clutch link 291 slide upward along the guide grooves 222, the clutch gear 29 is lifted upward along the central axis by the clutch link 291, and the four-stage gear 26 is disengaged from the clutch gear 29 and does not have gear transmission with each other.

The top surface of the gearbox upper cover 22 also comprises a gearbox top cover 221.

The main tongue unlocking mechanism comprises a transmission component, a handle unlocking component, a dead tongue unlocking component and an inclined tongue component which are fixed on the bottom component;

referring to fig. 2, 3 and 5, the transmission component includes a shaft body fixed on the bottom shell assembly 11, a dial wheel 31, a first step gear 32 and a dial wheel sleeve 33 sequentially sleeved on the shaft body from top to bottom, the transmission component includes a first-stage dial wheel 311 and a second-stage dial wheel 312 which are vertically placed and integrally formed, and gear teeth of the second-stage dial wheel 312 are engaged with an output gear 271 of the gear box 2 to form transmission connection;

a first limit block 3121 and a second limit block 3122 are convexly provided on the bottom surface of the secondary thumb wheel 312 for pushing the first stepped gear 32 to rotate, a first notch 3123 is concavely provided on one side of the square tongue unlocking member of the secondary thumb wheel 312, and a first guide post 3124 is convexly provided on the bottom surface of the secondary thumb wheel 312 and at the edge of the first notch 3123.

Referring to fig. 2, 3 and 6, the handle unlocking member includes a handle cam 41 fixed on the bottom plate assembly, an upper washer 42, a handle shift lever 43, a return torsion spring 44, a lower washer 45, a latch unlocking shift lever 46 and a second stepped gear 47, which are sequentially sleeved on the handle cam 41 from top to bottom;

a square hole 411 for mounting a handle is formed in the center of the handle cam 41 in a penetrating manner, and two sides of the outer wall of the handle cam 41 are subjected to leveling treatment to form a straight groove shape integrally;

a through hole with the shape consistent with that of the outer wall of the handle cam 41 penetrates through the center of the handle shift lever 43, a first cantilever 431 extends from one side close to the latch part, and a shoulder 432 is arranged on the opposite side of the first cantilever 431;

a through hole with the same shape as the outer wall of the handle cam 41 penetrates through the center of the latch unlocking deflector rod 46, a second cantilever 461 extends from one side close to the latch part, and a plurality of gear teeth meshed with the first step gear are distributed on the opposite side of the second cantilever;

one pin of the reset torsion spring 44 is fixed on the base component 11, and the other pin of the reset torsion spring is abutted against the outer wall of the gear box 2;

a through hole with the shape consistent with that of the outer wall of the handle cam 41 penetrates through the center of the second stepped gear 47.

Referring to fig. 2 and 3, the latch tongue component includes a latch tongue fixing seat 51 fixed on the bottom plate assembly 11, a latch tongue movable seat 52 movably mounted on the bottom plate assembly 11 along the sliding groove, a latch tongue 53, and a first return spring 54, a connecting rod 531 extends from a rear end of the latch tongue 53, the connecting rod 531 passes through the latch tongue fixing seat 51 and then is fixed on the latch tongue movable seat 52, and the first return spring 54 is sleeved on the connecting rod 531 and is located between the latch tongue 53 and the latch tongue fixing seat 51;

the first cantilever 431 of the handle shift lever 43 and the second cantilever 461 of the latch unlocking shift lever 46 are both arranged between the latch fixing seat 51 and the latch movable seat 52, and the first cantilever 431 and the second cantilever 461 move backwards under the rotation action of the handle cam 41 to drive the latch movable seat 52 to move backwards, so that the latch 53 is driven to integrally move backwards to complete unlocking; after the first and

second suspension arms

431 and 461 are returned by the return torsion spring 44, the latch 53 is returned by the first return spring 54, and the locking is completed.

The square tongue unlocking part comprises a square tongue 61 which is movably arranged on the bottom plate component 11 and extends out along the guide plate, and a connecting rod 62 which forms transmission connection between the square tongue 61 and the handle unlocking part;

referring to fig. 3 and 8, the connecting rod 62 includes a gear tooth segment 621, a rotating center segment 622, and a transmission segment 623, which are integrally formed, wherein a mounting hole is formed in the center of the gear tooth segment 621, a plurality of gear teeth engaged with the second step gear 47 are uniformly distributed on the outer edge of the gear tooth segment 621, a concave cavity 6221 is concavely formed on the side wall of the rotating center segment 622 close to one side of the transmission component, a slot 6231 is formed in the center of the transmission segment 623, the connecting rod 62 is pivoted to the bottom of the gear box 2 through the mounting hole, and clings to the outer wall of the thumb wheel sleeve 33 through the concave cavity 6221;

referring to fig. 2, 3 and 7, the square tongue 61 includes a tongue section 611 and a rack section 612 which are integrally formed, the tongue section 611 extends out or retracts along a through hole penetrating through the guide plate 13 under the action of the connecting rod 62, a plurality of straight teeth are distributed on the side wall of the rack section 612, a second notch 6121 is concavely arranged on the side wall at the rear end of the rack section 612, a second guide post 6122 is convexly arranged on the upper surface of the rack section 612 and at the edge of the second notch 6121, and a convex column 6123 which is matched with the slot 6231 is convexly arranged on the bottom surface at the tail end of the rack section 612.

The first notch 3123 concavely arranged on the thumb wheel 31 of the transmission part is mutually embedded with the second guide post 6122 of the rack section 612 of the square tongue, the first guide post 3124 convexly arranged on the bottom surface of the thumb wheel 31 of the transmission part is mutually embedded with the second notch 6121 of the rack section 612 of the square tongue, and the thumb wheel 31 rotates to drive the rack section 612 to move back and forth, so as to control the extension and retraction of the square tongue 61.

Referring to fig. 1, 2, 3, 9 and 10, the spoke tongue unlocking mechanism includes a pair of upper and lower lever unlocking members disposed in parallel, and spoke tongue unlocking members disposed on both sides of the bottom plate assembly 11 and respectively connected to the upper and lower lever unlocking members through spoke tongue driving thumb wheels 721;

the top and bottom rod unlocking component comprises an unlocking dial wheel 711 fixed on the bottom plate component 11, a right top and bottom rod 712 which is slidably mounted on the bottom plate component 11 and is in transmission connection with the unlocking dial wheel 711, a transmission gear 713 fixed on the bottom plate component 11 and is in transmission connection with the right top and bottom rod 712, and a left top and bottom rod 714 which is slidably mounted on the bottom plate component 11 and is in transmission connection with the transmission gear 713;

the unlocking shifting wheel 711 comprises a third step gear and a top and bottom lever shifting wheel which are vertically arranged and integrally formed, and the third step gear is meshed with straight teeth distributed on a rack section 612 of a square tongue 61 of the square tongue unlocking component;

the right ground rod 712 comprises an integrally formed right rod body 7121 and a right ground hook 7122 formed by continuously bending the right rod body after penetrating through the shell and extending outwards, the right ground hook 7122 and the right rod body 7121 are arranged in a mutually perpendicular manner, a plurality of limiting grooves matched with limiting columns convexly arranged on the bottom plate component 11 are arranged on the right rod body 7121 in a penetrating manner, a spoke tongue transmission rack and an unlocking rack meshed with gear teeth of the ground rod shifting wheel are distributed on the rear side of the right rod body 7121, and a transmission rack meshed with the transmission gear 713 is distributed on the front side of the right rod body 7121;

left side world pole 714 passes the casing and outwards extends the left world hook 7142 that the back formed of buckling in succession including integrated into one piece's left body of rod 7141 and left body of rod 7141, left side world hook 7142 with left body of rod 7141 mutually perpendicular arranges, wear to be equipped with a plurality ofly on the left body of rod 7141 and bottom plate subassembly 11 protruding spacing post complex spacing groove of establishing, lie in left body of rod 7141 rear side and the corresponding department of drive gear 713 through buckling twice continuous 90 and form the notch, laid the driving rack with drive gear 713 meshing on the lateral wall of notch, the rear side that lies in left body of rod 7141 is close to left world hook 7142 one section and has still laid the spoke tongue driving rack.

When the lock body is unlocked, the unlocking dial wheel 711 rotates anticlockwise under the action of the square bolt 61, so that the right top and bottom rod 712 is driven to retract into the lock body, the transmission gear 713 rotates anticlockwise, the left top and bottom rod 714 is driven to retract into the lock body, the left and right top and bottom hooks on the two sides of the lock body retract simultaneously, and the unlocking of the top and bottom rods is completed.

The spoke tongue unlocking component comprises a spoke tongue transmission thumb wheel 721 and a spoke tongue 722 which are arranged on the bottom plate component 11, the spoke tongue transmission thumb wheel 721 comprises a ground rod gear and a spoke tongue transmission gear which are arranged up and down and are integrally formed, a spoke tongue transmission plate 7221 extends from the rear end of the spoke tongue 722, the spoke tongue transmission plate is in a door shape, one side of the spoke tongue transmission plate is sleeved with a guide pillar movably arranged on the bottom plate component 11, and straight teeth are distributed on the side wall of the other side of the spoke tongue transmission plate;

when the lock body is unlocked, the left top and bottom lever 714 or the right top and bottom lever 712 respectively moves inwards to drive the spoke tongue transmission thumb wheel 721 to rotate, so that the spoke tongue transmission plate 7221 is driven to move backwards, and the unlocking of the spoke tongue 722 is realized.

Referring to fig. 2, 9 and 10, the lock body of the present invention further includes a clutch component, wherein the clutch component includes a clutch transition rod 81 sleeved on the thumb wheel sleeve 33 of the transmission component, and a clutch upper cover assembly movably mounted on the top of the gear box upper shell 22;

the clutch upper cover assembly comprises a first fixed column 821 and a first mounting column 822 fixed on the bottom shell assembly 11, a movable plate 823 movably mounted on the first mounting column 822 and located at the top of the upper shell 22 of the gearbox, a second return spring 824 connecting the first fixed column 821 and the movable plate 823, and an upper separation cover 825 fixed on the movable plate 823;

a movable groove matched with the first mounting column 822 is formed in the movable plate 823 in a penetrating manner, one side, close to the first fixing column 821, of the movable plate 823 is bent downwards to form a folded plate, one end of the second return spring 824 is fixed to the first fixing column 821, and the other end of the second return spring 824 is sleeved on the folded plate;

a through hole is formed in the center of the upper cover 825, sliding grooves 8251 obliquely arranged from top to bottom are formed in two side walls of the through hole, the clutch link 291 penetrates through the through hole to expose the upper gear box shell 22, and guide columns 2911 on two sides of the clutch link 291 penetrate through the sliding grooves 8251 and are installed in the guide grooves 222;

the whole clutch transition rod 81 is of a <' > shape, one end of the clutch transition rod is abutted to a convex shoulder 432 convexly arranged on the handle shift rod 43, the other end of the clutch transition rod is abutted to the side wall of the clutch upper cover 825, when the handle is used for unlocking the lock body, the handle cam 41 rotates clockwise, the convex shoulder 432 pushes the clutch transition rod 81 to rotate anticlockwise, the other end of the clutch transition rod 81 pushes the clutch upper cover 825 rightwards, the guide column 2911 moves upwards along the sliding groove 8251 to drive the clutch link 291 to lift upwards along the central rod of the third-stage gear 25, so that the synchronous rotation of the third-stage gear 25 and the clutch gear 29 is released, the clutch gear 29 and the fourth-stage gear 26 are disengaged, the power of the brushless motor 28 cannot be output to the fifth-stage gear 27, and the lock body is switched to a handle unlocking mode.

Referring to fig. 2, 9 and 10, the lock body of the present invention further includes a key unlocking mechanism, wherein the key unlocking mechanism includes a mounting seat 831 fixed on the bottom shell assembly 11, a rotating shaft 832 penetrating through the mounting seat 831, a sleeve 833 sleeved on the rotating shaft 832 and rotating synchronously, and a key rack 834;

a key insertion hole is concavely arranged on the rotating shaft 832;

a key lug is convexly arranged on the outer wall of the sleeve 833;

two key stop blocks which are arranged at intervals are convexly arranged on one side of the key rack 834 close to the key assembly, a plurality of straight teeth are distributed on one side of the key rack which is far away from the key assembly, and the key rack is in transmission connection with a primary shifting wheel of a shifting wheel of the transmission part;

an arc-shaped groove is concavely formed in one side, located on the key unlocking mechanism, of the movable plate 823, and the shape of the arc-shaped groove is matched with a path through which the key bump passes when rotating;

when the lock body is unlocked by using a key, the rotating shaft drives the sleeve to rotate, the key bump pushes the movable plate to move rightwards when rotating, the guide column 2911 moves upwards along the sliding groove 8251, the clutch link 291 is driven to lift upwards along the central rod of the third-stage gear 25, so that the synchronous rotation of the third-stage gear 25 and the clutch gear 29 is released, the clutch gear 29 and the fourth-stage gear 26 are disengaged, the power of the brushless motor 28 cannot be output to the fifth-stage gear 27, and the lock body is switched to a key unlocking mode.

Referring to fig. 2, fig. 3, fig. 9 and fig. 10, the lock body of the present invention further includes a locking mechanism, wherein the locking mechanism includes a fixing base 91 fixed on the bottom shell assembly 11, a second fixing column 92, a blocking plate 94 movably mounted on the bottom shell assembly 11 and a locking motor 93 mounted in the fixing base 91, and a third return spring 95;

a notch is concavely formed in the bottom surface of the baffle plate 94, and a fixing groove is concavely formed at one end, close to the second fixing column 92, of the baffle plate;

one end of the third return spring 95 is sleeved on the second fixing column 92, and the other end of the third return spring is sleeved in the fixing groove;

a driving block is sleeved on a driving shaft of the locking motor 93, a guide post is convexly arranged on the driving block, and the guide post is clamped in the notch;

the locking mechanism is installed on one side of the base component 11 close to the left top and bottom rod 714, when the locking motor is started, the baffle plate 94 is controlled to extend out under the rotation action of the guide post and just abuts against the side wall of the notch of the left top and bottom rod 714 to limit the inward movement of the left top and bottom rod 714, and as the gears and the rack and the gear are meshed with each other between the gears of the locking mechanisms of the whole lock body, the effect of preventing the lock body from being unlocked can be achieved, and the locking effect is achieved.

The actual working principle of the lock body provided by the invention is as follows:

1. gearbox unlock mode:

referring to fig. 9, when the brushless motor 28 is started, after gears in the gear box 2 are engaged with each other for transmission, the output gear 271 rotates clockwise to drive the transmission member to rotate counterclockwise integrally, and the square tongue 61 is driven to move backward integrally under the mutual engagement between the first guide post 3124 and the second notch 6121, and between the second guide post 6122 and the first notch 3123, so as to unlock the square tongue 61;

the transmission part rotates anticlockwise to drive the handle unlocking part to rotate clockwise integrally, and the latch tongue 53 is driven to move backwards integrally by pulling the latch tongue movable seat 52 backwards through the first cantilever 431 and the second cantilever 461, so that the latch tongue 53 is unlocked;

the rack segment 621 of the square tongue 61 moves backwards to drive the unlocking thumb wheel 711 to rotate anticlockwise, so that the left top and bottom rod 714 and the right top and bottom rod 712 are controlled to retract inwards, the spoke tongue transmission thumb wheel 721 rotates anticlockwise to drive the spoke tongue 722 to integrally move backwards, and unlocking of the top and bottom rods and the spoke tongue is realized.

2. Handle unlock mode:

referring to fig. 9 and 10, as the handle cam 41 rotates clockwise, the shoulder 432 pushes the clutch transition rod 81 to rotate counterclockwise, the other end of the clutch transition rod 81 pushes the upper cover 825 to the right, the guide column 2911 moves upwards along the sliding slot 8251, the clutch link 291 is driven to lift upwards along the central rod of the third-stage gear 25, so that the synchronous rotation of the third-stage gear 25 and the clutch gear 29 is released, the clutch gear 29 is disengaged from the fourth-stage gear 26, the power of the brushless motor 28 cannot be output to the fifth-stage gear 27, and the lock body is switched to the handle unlocking mode;

the handle unlocking part integrally rotates clockwise, and the connecting rod 62 is controlled by the second step gear 47 to rotate anticlockwise around the thumb wheel sleeve 33, so that the square tongue 61 is driven to integrally move backwards, and the square tongue 61 is unlocked;

meanwhile, the first cantilever 431 and the second cantilever 461 of the handle unlocking part pull the latch bolt movable seat 52 backwards to drive the latch bolt 53 to integrally move backwards, so that the latch bolt 53 is unlocked;

the rack segment 621 of the square tongue 61 moves backwards to drive the unlocking thumb wheel 711 to rotate anticlockwise, so that the left top and bottom rod 714 and the right top and bottom rod 712 are controlled to retract inwards, the spoke tongue transmission thumb wheel 721 rotates anticlockwise to drive the spoke tongue 722 to move backwards integrally, and unlocking of the top and bottom rods and the spoke tongue is achieved.

3. Key unlock mode:

when the lock body is unlocked by using a key, the rotating shaft 832 drives the sleeve 833 to rotate, the key bump rotates to push the movable plate 823 to move rightwards, the guide column 2911 moves upwards along the sliding groove 8251, the clutch link 291 is driven to lift upwards along the central rod of the tertiary gear 25, synchronous rotation of the tertiary gear 25 and the clutch gear 29 is relieved, the clutch gear 29 and the quaternary gear 26 are disengaged, power of the brushless motor 28 cannot be output to the fifth gear 27, and the lock body is switched to a key unlocking mode;

the key lug pulls the key rack 834 backwards to drive the transmission part to rotate integrally anticlockwise, and the tongue 61 is driven to integrally move backwards under the mutual embedding matching of the first guide column 3124 and the second notch 6121 as well as the second guide column 6122 and the first notch 6123, so that the unlocking of the tongue 61 is realized;

4. Resetting among all mechanisms of the lock body:

when the gear box 2 is stopped or the key and the handle rotate, the handle unlocking component resets under the action of the reset torsion spring 44, so that the dead bolt 61 is driven to integrally move forwards, and the reset of the dead bolt is realized;

the square tongue 61 integrally moves forwards to drive the unlocking thumb wheel 711 to move clockwise, so that the left top and bottom rod 714 and the right top and bottom rod 712 are controlled to extend outwards, the spoke tongue transmission thumb wheel 721 rotates clockwise to drive the spoke tongue 722 to integrally move forwards, and the resetting of the top and bottom rods and the spoke tongue is realized;

after the first cantilever 431 and the second cantilever 461 of the handle unlocking part are reset, the latch tongue 53 extends forwards under the action of the first reset spring 54, so that the reset of the latch tongue is realized;

when the key bump is reset and the handle unlocking part is reset, the movable plate 823 moves leftwards under the action of the second reset spring 824, the guide rod 2911 of the clutch link 291 resets along the sliding groove 8251, the clutch gear 29 resets, and the meshing state with the four-stage gear 26 is restored;

when the locking motor 93 is stopped, the baffle 94 moves backwards under the action of the third return spring 95, so that the locking mechanism is reset, and the locking mode of the lock body is released.

The above description is only a preferred embodiment of the present invention, and all the 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 split hole site and a ground rod is characterized by comprising a shell formed by mutually combining a bottom plate assembly, a cover plate and a guide plate, and a gear box, a main tongue unlocking mechanism and a radial tongue unlocking mechanism which are arranged in the shell, wherein the gear box is connected with the main tongue unlocking mechanism through gear transmission;

2. The lock body with the split hole sites and the ground rods as claimed in claim 1, wherein the gear box comprises a gear box bottom shell fixed on the bottom plate assembly, a gear box upper shell installed on the gear box bottom shell, a brushless motor installed on the gear box bottom shell, a primary gear, a secondary gear, a tertiary gear, a quaternary gear and a quinary gear installed between the gear box bottom shell and the gear box upper shell through a central shaft, the quinary gear is an output gear of the gear box;

a motor gear is further sleeved on an output shaft of the brushless motor, a primary pinion and a secondary pinion are fixedly arranged on central shafts of the primary gear and the secondary gear respectively, a clutch gear which rotates synchronously is arranged on a central shaft of the tertiary gear, and a clutch link joint is fixedly arranged on the upper portion of the clutch gear;

3. The lock body with the split hole sites and the ground rod as claimed in claim 2, wherein the upper surface of the third gear is concavely provided with a groove around the central shaft, the lower surface of the clutch gear is convexly provided with a block matched with the groove in shape, and the groove is matched with the block to realize synchronous rotation of the clutch gear and the third gear.

4. The lock body with the split hole sites and the top and bottom levers according to claim 1, wherein the transmission component comprises a shaft body fixed on the bottom shell assembly, a thumb wheel sleeved on the shaft body from top to bottom, a first step gear and a thumb wheel sleeve, the transmission component comprises a first-stage thumb wheel and a second-stage thumb wheel which are placed up and down and are integrally formed, and gear teeth of the second-stage thumb wheel are meshed with an output gear of the gear box to form transmission connection;

5. The lock body with the split hole sites and the top and bottom rods according to claim 1, wherein the handle unlocking part comprises a handle cam fixed on the bottom plate assembly, an upper washer, a handle shift lever, a reset torsion spring, a lower washer, a latch unlocking shift lever and a second stepped gear, wherein the upper washer, the handle shift lever, the reset torsion spring, the lower washer, the latch unlocking shift lever and the second stepped gear are sequentially sleeved on the handle cam from top to bottom;

a through hole with the shape consistent with that of the outer wall of the handle cam penetrates through the center of the handle deflector rod, a first cantilever extends from one side close to the latch bolt part, and a convex shoulder is convexly arranged at the opposite side of the first cantilever;

a through hole with the shape consistent with that of the outer wall of the handle cam penetrates through the center of the latch unlocking deflector rod, a second cantilever extends from one side close to the latch part, and a plurality of gear teeth meshed with the first step gear are distributed on the opposite side of the second cantilever;

6. The lock body with the split hole sites and the ground rod as claimed in claim 1, wherein the latch bolt component comprises a latch bolt fixing seat fixed on the bottom plate component, a latch bolt movable seat movably mounted on the bottom plate component along the sliding groove, a latch bolt and a first return spring, wherein a connecting rod extends from the rear end of the latch bolt, the connecting rod passes through the latch bolt fixing seat and then is fixed on the latch bolt movable seat, and the first return spring is sleeved on the connecting rod and is located between the latch bolt and the latch bolt movable seat;

7. The lock body with split hole sites and ground rods of claim 1, wherein the dead bolt unlocking member comprises a dead bolt movably mounted on the bottom plate assembly and extending along the guide plate, a connecting rod for driving the dead bolt and the handle unlocking member;

8. The lock body with the split hole sites and the top and bottom rods of claim 1, wherein the top and bottom rod unlocking part comprises an unlocking thumb wheel fixed on the bottom plate assembly, a right top and bottom rod slidably mounted on the bottom plate assembly and in transmission connection with the unlocking thumb wheel, a transmission gear fixed on the bottom plate assembly and in transmission connection with the right top and bottom rod, and a left top and bottom rod slidably mounted on the bottom plate assembly and in transmission connection with the transmission gear;

the spoke tongue unlocking component comprises a spoke tongue transmission thumb wheel and a spoke tongue, the spoke tongue transmission thumb wheel is installed on the bottom plate component and comprises a ground rod gear and a spoke tongue transmission gear which are vertically arranged and integrally formed, a spoke tongue transmission plate extends from the rear end of the spoke tongue, the spoke tongue transmission plate is in a door shape, one side of the spoke tongue transmission plate is sleeved with a guide pillar movably installed on the bottom plate component, and straight teeth are distributed on the side wall of the other side of the spoke tongue transmission plate;

9. The lock body with the split hole sites and the top and bottom rods of claim 1, further comprising a key unlocking mechanism, wherein the key unlocking mechanism comprises a mounting seat fixed on the bottom shell assembly, 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;

a driving block is sleeved on a driving shaft of the locking motor, a guide pillar is convexly arranged on the driving block, and the guide pillar is clamped in the notch;

the motor controls the driving block to rotate, the baffle is controlled to extend out of the top and bottom rod unlocking component under the rotating action of the guide pillar, and the top and bottom rod unlocking component is prevented from retracting, so that the rotation of the gear in the lock body is prevented, and the lock body is locked.