CN211473714U - Anti-theft lock with double-function - Google Patents

Abstract

The application discloses an anti-theft lock with double functions, which comprises a shell, wherein a spring bolt assembly, a top and bottom rod, a lock cylinder with a shifting wheel and a linkage plate are arranged in the shell, a first fixing column is arranged on one side, facing the top and bottom rod, of the spring bolt assembly, a first guide hole is formed in the top and bottom rod, the first fixing column is positioned in the first guide hole, and the first fixing column can drive the top and bottom rod to move up and down; one side of spring bolt subassembly back to world pole is equipped with the second fixed column, is equipped with the second guiding hole on the linkage board, and the second fixed column is located the second guiding hole, and the second guiding hole includes horizontal guiding hole and the vertical guiding hole with horizontal guiding hole intercommunication, and when the second fixed column was located horizontal guiding hole, the thumb wheel was kept away from to the linkage board, and one side that the linkage board is close to the lock core transversely links with the spring bolt subassembly has the elastic component, and the elastic component links at the linkage board middle part. By the arrangement, the problem that the linkage plate is easy to deform due to the fact that the linkage plate of the existing double-speed anti-theft lock is limited in the moving range and the placing position of the elastic piece due to the fact that the linkage plate is connected with the lock shell in a matched mode is solved.

Description

Anti-theft lock with double-function

Technical Field

The application relates to the technical field of anti-theft locks, in particular to an anti-theft lock with double quick functions.

Background

At present, most of household anti-theft lock bodies or intelligent lock bodies with top and bottom rods have the function of retracting a lock body latch bolt by using a lock cylinder shifting wheel to rotate a linkage plate. The linkage plate and the world pin are connected into a linkage mechanism, the world pin needs a large pulling force when in actual application, the pulling force is directly loaded on the linkage plate body which drives the world pin, the hand feeling when the lock cylinder shifting wheel is shifted is seriously influenced, the possibility of deformation of the linkage plate when in application is increased, the linkage plate is matched with an upper guide pillar and a lower guide pillar on a lock shell through an upper guide groove and a lower guide groove, the upper guide pillar and the lower guide pillar limit the moving range of the linkage plate because the shell is fixed and does not move, the structural complexity of the middle part of the lock body is increased, the collision coefficient of parts in the middle part is improved, and the stability of the lock body is seriously reduced. The guide post on the lock shell limits the placing position of the elastic part while reducing the motion range of the linkage plate, and the elastic part is unreasonably placed, so that the pulling force of the linkage plate swinging to the lock cylinder is greatly reduced, the linkage plate is easily blocked and stopped by friction force due to insufficient pulling force in the process of swinging to the lock cylinder, and the failure condition that the lock cylinder shifting wheel cannot shift to the linkage plate is caused.

Therefore, how to solve the problems that the linkage plate of the existing double-speed anti-theft lock is matched and connected with the lock shell to limit the moving range of the linkage plate and the placing position of the elastic part, and the linkage plate is easy to deform due to overlarge stress becomes an important problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art at least to a certain extent, the application aims to provide an anti-theft lock with a double-quick function, which can solve the problems that the linkage plate of the existing double-quick anti-theft lock is matched and connected with a lock shell to limit the moving range of the linkage plate and the placing position of an elastic piece, and the linkage plate is easily stressed too much to deform.

The utility model provides an anti-theft lock with double functions, which comprises a shell, wherein a spring bolt component, a top and bottom rod, a lock core with a thumb wheel and a linkage plate are arranged in the shell, a first fixed column is arranged on one side of the spring bolt component facing the top and bottom rod, a first guide hole is arranged on the top and bottom rod, the first fixed column is positioned in the first guide hole, and the first fixed column can drive the top and bottom rod to move up and down; the linkage plate is characterized in that a second fixing column is arranged on one side, back to the heaven and earth rod, of the lock tongue assembly, a second guide hole is formed in the linkage plate, the second fixing column is located in the second guide hole, the second guide hole comprises a transverse guide hole and a vertical guide hole communicated with the transverse guide hole, when the second fixing column is located in the transverse guide hole, the linkage plate is far away from the shifting wheel, an elastic piece is transversely connected with one side, close to the lock cylinder, of the linkage plate and the lock tongue assembly, and the elastic piece is connected to the middle of the linkage plate.

Preferably, two top and bottom rods are arranged in the shell, the first guide holes are formed in the two top and bottom rods, two first fixing columns are arranged on one side, facing the top and bottom rods, of the lock tongue assembly, the two first fixing columns are located in the two first guide holes respectively, and the two first guide holes are arranged correspondingly.

Preferably, two of the top and bottom rods are further provided with fourth guide holes, the housing is provided with two fourth fixing columns, the two fourth fixing columns are respectively located in the two fourth guide holes so that the top and bottom rods move along the fourth guide holes, and the fourth guide holes are vertically arranged.

Preferably, a third guide hole is further formed in the linkage plate, a third fixing column is further arranged on one side, back to the top and bottom rods, of the bolt assembly, the third fixing column is located in the third guide hole, can slide relatively, and is vertically arranged in the third guide hole.

Preferably, still be provided with in the casing with casing rotatable coupling's spring bolt dials the board, the spring bolt is dialled and is provided with first reference column on the board, be provided with on the casing and be used for connecting the second reference column that the board was dialled to the spring bolt, set up the first spout that the slope set up and the second spout that the level set up on the spring bolt subassembly, first reference column is located in the first spout, just first reference column with first spout can relative sliding, the second reference column is located in the second spout, just the second reference column with the second spout can relative sliding, it can drive to dial the wheel the spring bolt dials the board and rotates, and drive the spring bolt subassembly is followed stretch out or withdraw in the casing.

Preferably, still be provided with latch bolt subassembly and rotatable coupling in the casing the subassembly is picked to the latch bolt on the casing, the latch bolt pick the subassembly with latch bolt subassembly fixed connection, and can control the latch bolt subassembly stretches out or retracts the casing, just the linkage board can with the subassembly is picked to the latch bolt contacts, works as when the linkage board upwards moves, can drive the subassembly is picked to the latch bolt rotates so that the latch bolt subassembly retracts in the casing.

Preferably, the top end of the linkage plate is provided with a connecting rod used for contacting with the latch bolt picking assembly, and the connecting rod is positioned on one side of the linkage plate close to the latch bolt picking assembly.

Preferably, the lateral guide hole is located at the right side of the vertical guide hole.

Preferably, two ends of the elastic piece are respectively fixed on the linkage plate and the lock tongue assembly through fixing nails.

Preferably, the elastic member is a spring.

The technical scheme provided by the embodiment of the application can have the following beneficial effects:

the application provides an anti-theft lock with double functions, which comprises a shell, wherein a lock tongue component, a top and bottom rod, a lock core with a shifting wheel and a linkage plate are arranged in the shell, the linkage plate is only matched and linked with the lock tongue component, the linkage relation between the linkage plate and the top and bottom rod is broken, the load of the linkage plate during working is reduced, and the hand feeling when the lock core shifting wheel shifts the linkage plate is improved; the linkage plate is connected to the spring bolt assembly through the second fixing column, so that the moving range of the linkage plate is enlarged, the spring bolt assembly is movable, the linkage plate can move along with the spring bolt assembly, and the linkage plate can be taken away from the middle of the shell when the lock body works at double speeds, so that the collision coefficient of parts during movement is greatly reduced, and the stability of the lock body is improved; moreover, the motion of the top and bottom rods is controlled by the lock tongue assembly, the lock tongue assembly is firm in structure and has strong power during working, sufficient acting force is ensured during working of the top and bottom rods, and the stability of the lock body is enhanced; after the linkage plate and the top and bottom rods are disconnected, the matching space between the spring bolt assembly and the linkage plate is increased, the elastic piece can be transversely connected with the linkage plate, the reset tension of the linkage plate in left-right swinging is increased on the premise of not reducing the reset tension of the linkage plate in up-down movement, and the problem of reset blocking and stopping of the linkage plate due to insufficient tension is solved. By the arrangement, the problems that the movable range of the linkage plate and the placing position of the elastic piece are limited due to the fact that the linkage plate of the existing double-speed anti-theft lock is matched and connected with the lock shell, and the linkage plate is easy to deform due to overlarge stress are solved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a perspective view of a double action anti-theft lock according to an exemplary embodiment (with the bolt assembly in a retracted state);

FIG. 2 is a front view of a double-action security lock shown in accordance with an exemplary embodiment (with the bolt assembly in a retracted state);

FIG. 3 is a front view of a double-action security lock shown in accordance with an exemplary embodiment (with the bolt assembly in an extended state);

FIG. 4 is a state diagram illustrating the linkage plate moving upward in accordance with an exemplary embodiment;

FIG. 5 is an exploded view of the latch bolt assembly and linkage plate shown in accordance with an exemplary embodiment;

FIG. 6 is an exploded view of the deadbolt assembly and day and earth rod shown in accordance with an exemplary embodiment;

FIG. 7 is a perspective view of a linkage plate shown in accordance with an exemplary embodiment

Fig. 8 is a schematic view of a connection relationship between a deadbolt paddle and a housing according to an exemplary embodiment.

In the figure:

1. a housing; 2. a latch bolt assembly; 3. a top and bottom rod; 4. a lock cylinder; 41. a thumb wheel; 5. a linkage plate; 51. a third guide hole; 52. a second guide hole; 521. a vertical guide hole; 522. a transverse guide hole; 6. a third fixing column; 7. a second fixed column; 8. an elastic member; 9. a first guide hole; 10. a first fixed column; 11. a first chute; 12. a first positioning post; 13. a second chute; 14. a lock tongue shifting plate; 15. a second positioning column; 16. a fourth guide hole; 17. a connecting rod.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

Referring to the attached drawings 1-8, the embodiment provides an anti-theft lock with double-quick function, which comprises a shell 1, wherein a bolt assembly 2, a top and bottom rod 3, a lock cylinder 4 with a thumb wheel 41 and a linkage plate 5 are arranged in the shell 1.

Wherein, as shown in fig. 6, spring bolt subassembly 2 is provided with first fixed column 10 towards one side of world pole 3, be provided with first guiding hole 9 on the world pole 3, first fixed column 10 stretches into in the first guiding hole 9, first fixed column 10 and first guiding hole 9 relative slip, and can drive world pole 3 and reciprocate, when rotating lock core 4, thumb wheel 41 rotates along with lock core 4, and stir spring bolt subassembly 2 and stretch out casing 1 or retract to casing 1 in (control about promptly), and first fixed column 10 on the spring bolt subassembly 2 drives world pole 3 and reciprocates, drive world pole 3 promptly and stretch out or retract in the casing 1. Like this, the function of world pole 3 is responsible for by bolt assembly 2, and bolt assembly 2 is sturdy in structure to the during operation has powerful power, has ensured that sufficient effort has during the world pole 3 work, and has strengthened the stability of lock body.

As shown in fig. 5, a second fixing column 7 is arranged on one side of the lock tongue assembly 2, which is opposite to the ground and top pole 3, a second guide hole 52 is arranged on the linkage plate 5, the second fixing column 7 extends into the second guide hole 52, when the lock tongue assembly 2 moves, the linkage plate 5 can be driven to move, so that the linkage plate 5 only cooperates with the lock tongue assembly 2 and is in linkage relation with the ground and top pole 3, the linkage relation with the ground and top pole 3 is broken, the load of the linkage plate 5 in operation is reduced, and the hand feeling when the lock cylinder 4 poking wheel 41 pokes the linkage plate 5 is improved; after the linkage plate 5 is disconnected from the ground rod 3, the matching space between the lock tongue assembly 2 and the linkage plate 5 is enlarged.

As shown in fig. 7, the second guide hole 52 includes a horizontal guide hole 522 and a vertical guide hole 521, the horizontal guide hole 522 is communicated with the vertical guide hole 521, and when the second fixed column 7 is located in the horizontal guide hole 522, the linkage plate 5 is away from the thumb wheel 41, that is, when the thumb wheel 41 rotates to a position contacting with the linkage plate 5, the linkage plate 5 is biased in a direction away from the thumb wheel 41 by an acting force of the thumb wheel 41, so that the second fixed column 7 slides into the horizontal guide hole 522, where the horizontal guide hole 522 is equivalent to an avoidance hole, so that the linkage plate 5 is avoided in a direction away from the thumb wheel 41, thereby leaving a space through which the thumb wheel 41 can pass, and not hindering the rotation of the thumb wheel 41, so as to eliminate the phenomenon of locking the thumb wheel 41.

It should be noted that the transverse guide hole 522 is located on the right side of the vertical guide hole 521, so that the second fixing column 7 can enter the transverse guide hole 522, and the linkage plate 5 can avoid the thumb wheel 41.

Further, in order to enable the linkage plate 5 to return to the initial position after the linkage plate acts, as shown in fig. 1, fig. 2 and fig. 3, an elastic part 8 is connected between the linkage plate 5 and the bolt assembly 2, the elastic part 8 is transversely connected between the linkage plate 5 and the bolt assembly 2, and the elastic part 8 is connected to the middle part of the linkage plate 5, so that on the premise of not reducing the reset tension of the linkage plate 5 moving up and down (namely, not reducing the elasticity of the elastic part 8), the reset tension of the linkage plate 5 swinging left and right is increased, and the problem that the linkage plate 5 is blocked due to insufficient tension is reduced.

By the arrangement, the problems that the linkage plate 5 of the existing double-speed anti-theft lock is matched and connected with the lock shell to limit the moving range of the linkage plate 5 and the placing position of the elastic piece 8, and the linkage plate 5 is easy to deform due to overlarge stress are solved.

In this embodiment, as shown in fig. 6, two world poles 3 are provided in the housing 1, first guide holes 9 are provided on the two world poles 3, two first fixing columns 10 are provided on one side of the bolt assembly 2 facing the world poles 3, the two first fixing columns 10 are respectively located in the two first guide holes 9, and the two first guide holes 9 are correspondingly disposed, that is, the two first fixing columns 10 are also disposed oppositely. When spring bolt assembly 2 stretches out casing 1, two first fixed columns 10 drive two world poles 3 and keep away from each other (stretch out casing 1 promptly), when spring bolt assembly 2 withdraws in casing 1, two first fixed columns 10 drive two world poles 3 and are close to each other (withdraw casing 1 promptly).

It should be noted that, as shown in fig. 6, two first guiding holes 9 are respectively obliquely arranged on the two ground rods 3, and the mirror image arrangement of the two first guiding holes 9 facilitates the two ground rods 3 to move towards each other, thereby facilitating the two ground rods 3 to extend out of or retract into the housing 1.

In order to avoid the deviation of the moving direction of the two top and bottom rods 3, as shown in fig. 4, the two top and bottom rods 3 are respectively provided with a fourth guide hole 16, the housing 1 is provided with two fourth fixing columns, and the two fourth fixing columns are respectively located in the two fourth guide holes 16, so that the two top and bottom rods 3 can only move along the extending direction of the fourth guide holes 16.

Here, the fourth guiding hole 16 is vertically disposed, so that the two ground rods 3 can only vertically move, i.e., can only move up and down, and extend out of or retract into the housing 1, thereby facilitating the enhancement of the safety of the lock body.

In some embodiments, as shown in fig. 3 and 5, a third guide hole 51 is further formed in the linkage plate 5, a third fixing column 6 is further disposed on a side of the latch bolt assembly 2 facing away from the ground rod 3, the third fixing column 6 is located in the third guide hole 51, and the third fixing column 6 and the third guide hole 51 can slide relatively, so that the linkage plate 5 can move up and down, and thus, the stability and balance of the connection between the linkage plate 5 and the latch bolt assembly 2 are enhanced.

The third guide hole 51 is vertically arranged, so that the movement direction of the linkage plate 5 is limited to a certain extent, and the linkage plate 5 moves up and down along the vertical direction.

Further, the third guiding hole 51 is located above the second guiding hole 52, that is, the third fixing column 6 is located above the second fixing column 7, so that the fixing stability and balance of the linkage plate 5 are further enhanced.

In this embodiment, as shown in fig. 1, a lock tongue shifting plate 14 is further disposed in the housing 1, as shown in fig. 8, the lock tongue shifting plate 14 is rotatably connected to the housing 1, and the lock tongue shifting plate 14 is disposed between the lock tongue assembly 2 and the housing 1, as shown in fig. 8, a first positioning column 12 is disposed on the lock tongue shifting plate 14, a second positioning column 15 is disposed on the housing 1, the lock tongue shifting plate 14 rotates around the second positioning column 15, as shown in fig. 6, the lock tongue assembly 2 is provided with a first sliding chute 11 disposed obliquely and a second sliding chute 13 disposed horizontally, the first positioning column 12 is disposed in the first sliding chute 11, the second positioning column 15 is disposed in the second sliding chute 13, and the first positioning column 12 and the first sliding chute 11, the second positioning column 15 and the second sliding chute 13 can slide relatively, the shifting wheel 41 can contact with the lock tongue shifting plate 14, wherein the lock tongue shifting plate 14 is rotated by an acting force of the shifting wheel 41, first reference column 12 on the board 14 is dialled to the spring bolt transmits the effort for first spout 11 to exert the effort for bolt assembly 2, bolt assembly 2 receives the effort of first reference column 12 to remove, and second reference column 15 is located the second spout 13 that the level set up, second reference column 15 and second spout 13 restrict each other, make bolt assembly 2 can only move along the horizontal direction, realize stretching out or retracting of bolt assembly 2, thereby realize locking and unblock.

In this embodiment, the housing 1 is further provided with a latch bolt assembly and a latch bolt picking assembly, the latch bolt picking assembly is rotatably connected to the housing 1, and the latch bolt picking assembly is fixedly connected to the latch bolt assembly and can control the latch bolt assembly to extend out of or retract into the housing 1, so that the door provided with the anti-theft lock can be conveniently closed.

As shown in fig. 4, the linkage plate 5 can contact with the latch bolt picking assembly, that is, when the latch bolt assembly 2 is retracted into the housing 1, the linkage plate 5 contacts with the latch bolt picking assembly. When the linkage plate 5 moves upwards, the latch bolt picking assembly is driven to rotate clockwise so as to drive the latch bolt assembly to retract into the shell 1, and therefore unlocking is achieved, and the door is opened.

Further, as shown in fig. 7, in order to facilitate the linkage plate 5 to contact with the latch bolt picking assembly and drive the latch bolt picking assembly to rotate, a connecting rod 17 is disposed at the top end of the linkage plate 5, and the connecting rod 17 is disposed at one side of the linkage plate 5 close to the latch bolt picking assembly.

In the embodiment, two ends of the elastic part 8 are respectively fixed on the linkage plate 5 and the bolt component 2 through the fixing nails, so that the fixing stability of the elastic part 8 is enhanced,

here, the elastic member 8 may be a spring.

It should be noted that the terms "first", "second", "third", "fourth", etc. are not limited to specific sequences, but are only used for distinguishing various components or functions, and the terms "upper" and "lower" are used when the anti-theft lock is in the state of being arranged as shown in fig. 1.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. An anti-theft lock with double functions comprises a shell (1), wherein a lock tongue assembly (2), a top and bottom rod (3), a lock cylinder (4) with a shifting wheel (41) and a linkage plate (5) are arranged in the shell (1), and is characterized in that a first fixing column (10) is arranged on one side, facing the top and bottom rod (3), of the lock tongue assembly (2), a first guide hole (9) is formed in the top and bottom rod (3), the first fixing column (10) is located in the first guide hole (9), and the first fixing column (10) can drive the top and bottom rod (3) to move up and down; a second fixing column (7) is arranged on one side, back to the ground rod (3), of the lock tongue assembly (2), a second guide hole (52) is formed in the linkage plate (5), the second fixing column (7) is located in the second guide hole (52), the second guide hole (52) comprises a transverse guide hole (522) and a vertical guide hole (521) communicated with the transverse guide hole (522), when the second fixing column (7) is located in the transverse guide hole (522), the linkage plate (5) is far away from the shifting wheel (41), an elastic piece (8) is transversely connected with the lock tongue assembly (2) on one side, close to the lock cylinder (4), of the linkage plate (5), and the elastic piece (8) is connected to the middle of the linkage plate (5).

2. The anti-theft lock with double-quick function according to claim 1 is characterized in that two top and bottom rods (3) are arranged in the housing (1), the first guide holes (9) are arranged on the two top and bottom rods (3), two first fixing columns (10) are arranged on one side of the bolt assembly (2) facing the top and bottom rods (3), the two first fixing columns (10) are respectively arranged in the two first guide holes (9), and the two first guide holes (9) are correspondingly arranged.

3. The double-function anti-theft lock according to claim 2, characterized in that two of the top and bottom levers (3) are further provided with a fourth guide hole (16), two fourth fixing posts are provided on the housing (1), the two fourth fixing posts are respectively located in the two fourth guide holes (16) so that the top and bottom levers (3) move along the fourth guide holes (16), and the fourth guide holes (16) are vertically arranged.

4. The anti-theft lock with double-quick function according to claim 1 is characterized in that a third guide hole (51) is further formed in the linkage plate (5), a third fixing column (6) is further arranged on one side of the bolt assembly (2) opposite to the top and bottom rod (3), the third fixing column (6) is located in the third guide hole (51) and can slide relatively, and the third guide hole (51) is vertically arranged.

5. The anti-theft lock with double-quick function according to claim 1, wherein a bolt shifting plate (14) rotatably connected with the housing (1) is further disposed in the housing (1), a first positioning column (12) is disposed on the bolt shifting plate (14), a second positioning column (15) for connecting the bolt shifting plate (14) is disposed on the housing (1), the bolt assembly (2) is provided with a first inclined chute (11) and a second horizontal chute (13), the first positioning column (12) is disposed in the first chute (11), the first positioning column (12) and the first chute (11) can slide relatively, the second positioning column (15) is disposed in the second chute (13), and the second positioning column (15) and the second chute (13) can slide relatively, the poking wheel (41) can drive the bolt poking plate (14) to rotate and drive the bolt assembly (2) to extend out of or retract into the shell (1).

6. The anti-theft lock with the dual-quick function according to claim 1, wherein a latch bolt assembly and a latch bolt picking assembly rotatably connected to the housing (1) are further arranged in the housing (1), the latch bolt picking assembly is fixedly connected with the latch bolt assembly and can control the latch bolt assembly to extend out of or retract into the housing (1), and the linkage plate (5) can be in contact with the latch bolt picking assembly and can drive the latch bolt picking assembly to rotate when the linkage plate (5) moves upwards so as to retract the latch bolt assembly into the housing (1).

7. The double-quick function anti-theft lock according to claim 6, characterized in that the top end of the linkage plate (5) is provided with a connecting rod for contacting with the latch bolt picking assembly, and the connecting rod is positioned at one side of the linkage plate (5) close to the latch bolt picking assembly.

8. Double-action anti-theft lock according to claim 1, characterized in that said transverse guiding hole (522) is located to the right of said vertical guiding hole (521).

9. The double-quick-function anti-theft lock according to claim 1, characterized in that both ends of the elastic element (8) are fixed on the linkage plate (5) and the bolt assembly (2) respectively by means of fixing nails.

10. Double-action anti-theft lock according to claim 1, characterized in that said elastic element (8) is a spring.

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