CN211776583U - Lock body - Google Patents

Abstract

The embodiment of the utility model provides a lock body, which comprises a lock shell, a scissor tongue component, a triangular tongue component, a lock block component and an unlocking push sheet, wherein the scissor tongue component is telescopically arranged on the lock shell; the triangular tongue component is telescopically arranged on the lock shell; the lock block assembly is rotatably arranged in the lock shell and used for limiting the shear tongue assembly; the unlocking push piece is slidably arranged in the lock shell, one end of the unlocking push piece is abutted to the lock block assembly, the other end of the unlocking push piece is linked with the triangular tongue assembly, the unlocking push piece is driven by the triangular tongue assembly to slide in a reciprocating mode, and the lock block assembly is driven by the unlocking push piece to release or restore the limit of the scissors tongue assembly when the unlocking push piece slides in the reciprocating mode. The embodiment of the utility model provides a lock body can promote the locking piece subassembly more steadily through the unblock push jack and rotate, guarantees that the locking piece subassembly action is steady to realize locking of scissors tongue subassembly steadily.

Description

Lock body

Technical Field

The utility model relates to a lock technical field particularly, relates to a lock body.

Background

As a safety precaution product, the door lock often bears various impact loads in the daily use process, so the requirement on the stability of the door lock is high. The lock body is used as a core component of the door lock, and virtual position control, mechanical stability and the like of the lock body play a key role in the overall performance of the door lock. However, the linkage structure of the scissors tongue and the triangle tongue in the existing lock body is unreasonable in design, and the linkage relationship between the parts is easy to lose efficacy after long-time use, so that the scissors tongue cannot be stably locked, the safety and the anti-theft performance of the lock body are poor, and urgent needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the embodiments of the present application is to provide a lock body to solve the above problems. The embodiment of the application realizes the aim through the following technical scheme.

The embodiment of the application provides a lock body which comprises a lock shell, a scissor tongue assembly, a triangular tongue assembly, a lock block assembly and an unlocking push piece, wherein the scissor tongue assembly is telescopically arranged on the lock shell; the triangular tongue component is telescopically arranged on the lock shell; the lock block assembly is rotatably arranged in the lock shell and used for limiting the shear tongue assembly; the unlocking push piece is slidably arranged in the lock shell, one end of the unlocking push piece is abutted to the lock block assembly, the other end of the unlocking push piece is linked with the triangular tongue assembly, the unlocking push piece is driven by the triangular tongue assembly to slide in a reciprocating mode, and the unlocking push piece drives the lock block assembly to release or restore the limit of the scissor tongue assembly when sliding in the reciprocating mode.

In one embodiment, the lock block assembly comprises a lock block bracket and a lock block roller, the lock block bracket is rotatably mounted in the lock housing, the lock block bracket limits the shear tongue assembly when the lock block bracket is in the first position, and the lock block bracket is disengaged from limiting engagement with the shear tongue assembly when the lock block bracket is in the second position; the locking piece roller is installed on the locking piece support, one end of the unlocking push piece is abutted to the locking piece roller in a rolling mode, and the unlocking push piece is used for pushing the locking piece support to rotate to the second position through the locking piece roller when sliding towards the shear tongue assembly.

In an implementation mode, the unlocking push sheet is convexly provided with a locking block linkage part towards one side of the locking block support, the locking block linkage part comprises a sliding plane, the sliding plane is abutted against the locking block roller, and the extending direction of the sliding plane is perpendicular to the sliding direction of the unlocking push sheet.

In one embodiment, the lock body further comprises a shifting block assembly, a lock cylinder assembly and a motor driving assembly; the shifting block component is rotatably arranged in the lock shell and comprises a shifting plate which is used for abutting against the lock block bracket and driving the lock block bracket to rotate; the lock core assembly is arranged in the lock shell, is in transmission connection with the shifting block assembly and is used for driving the shifting block assembly to rotate; the motor driving assembly is arranged in the lock shell, is in transmission connection with the shifting block assembly and is used for driving the shifting block assembly to transmit.

In one embodiment, the lock block bracket comprises a first limit plate, a second limit plate, a lock block rotating column and a lock block limiting column, wherein two ends of the lock block rotating column are respectively connected with the first limit plate and the second limit plate, and the lock block rotating column is rotatably connected with the lock shell; the lock block limiting column is arranged on one side, facing the scissors tongue component, of the lock block support, and two ends of the lock block limiting column are connected to the first limiting plate and the second limiting plate respectively and used for being abutted to the scissors tongue component when the lock block support is located at the first position.

In one embodiment, the first limiting plate comprises a first limiting main body part, a first limiting connecting part and a first limiting mounting part, and a locking piece rotating column and a locking piece limiting column are respectively arranged at two ends of the first limiting main body part in the length direction; the first limiting connecting part is arranged on one side of the first limiting main body part facing the triangular tongue component; first spacing connecting portion are provided with first spacing installation department towards the one end of triangle tongue subassembly, and the interval between first spacing installation department and the second limiting plate is less than the interval between first spacing connecting portion and the second limiting plate, and the setting of locking piece gyro wheel deviates from at first spacing installation department one side of second limiting plate.

In one embodiment, the lock block assembly further comprises a first torsion spring connection post, a second torsion spring connection post and a return torsion spring, the first torsion spring connection post being disposed within the lock housing; two ends of the second torsion spring connecting column are respectively connected with the first limiting plate and the second limiting plate; the reset torsion spring is sleeved on the periphery of the lock block rotating column, and two ends of the reset torsion spring are respectively abutted against the first torsion spring connecting column and the second torsion spring connecting column and used for driving the lock block support to rotate to the first position under the action of restoring force.

In one embodiment, the unlocking push piece is provided with a push piece sliding groove, the length of the push piece sliding groove is consistent with the sliding direction of the unlocking push piece, and the distance between the axes of the lock piece rotating column and the lock piece limiting column and the length of the push piece sliding groove form a preset multiple relation; the lock shell is internally provided with a push sheet guide post corresponding to the push sheet sliding groove, and the push sheet guide post is in sliding fit with the push sheet sliding groove.

In one embodiment, the triangular tongue assembly comprises a triangular tongue, a spring limiting plate, a movable rod, a return spring and a triangular tongue push rod, wherein the triangular tongue is telescopically arranged relative to the side wall of the lock shell; the spring limiting plate is arranged in the lock shell; one end of the movable rod is connected with the triangular tongue, and the other end of the movable rod movably penetrates through the spring limiting plate; the reset spring is sleeved on the periphery of the movable rod, one end of the reset spring is connected with the movable rod, and the other end of the reset spring is connected with the spring limiting plate and used for pushing the triangular tongue to extend out of the lock shell under the action of restoring force; the triangular tongue push rod is arranged on the movable rod and is provided with a triangular tongue roller which is in rolling fit with the unlocking push sheet.

In one implementation mode, one end of the unlocking push piece, facing the triangular tongue assembly, is provided with a transverse folding guide groove matched with the triangular tongue roller in a rolling manner, the transverse folding guide groove comprises a transverse guide groove and an oblique guide groove, the extending direction of the transverse guide groove is perpendicular to the sliding direction of the unlocking push piece, one end of the transverse guide groove, facing the extending direction of the triangular tongue, is provided with the oblique guide groove, and the extending direction of the oblique guide groove and the extending direction of the transverse guide groove form an obtuse angle.

Compared with the prior art, the lock body provided by the embodiment of the application adopts the unlocking push piece to realize the transmission fit of the triangular tongue component and the lock block component, the unlocking push piece is slidably mounted in the lock shell, so that the transmission structure in the lock body is simpler, meanwhile, one end of the unlocking push piece is abutted to the lock block component in a rolling manner, the friction force between the unlocking push piece and the lock block component can be reduced, the lock block component can be stably driven to rotate to limit or relieve the limit of the scissors tongue component, the lock block component acts stably in the whole process, and the stable locking of the scissors tongue component is realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lock body (in an open state) provided in an embodiment of the present application.

Figure 2 is an exploded view of a lock body provided in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a lock body (in a closed door state) according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of another view angle of the lock body according to the embodiment of the present application.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, the present application provides a lock body 100, which includes a lock housing 10, a scissor tongue assembly 20, a triangular tongue assembly 30, a lock block assembly 40 and an unlocking blade 50, wherein the scissor tongue assembly 20 is telescopically disposed in the lock housing 10; the triangular tongue assembly 30 is telescopically arranged in the lock shell 10, and the lock block assembly 40 is rotatably arranged in the lock shell 10 and used for limiting the scissor tongue assembly 20; the unlocking push piece 50 is slidably mounted on the lock case 10, one end of the unlocking push piece abuts against the lock block assembly 40, the other end of the unlocking push piece 50 is linked with the triangular tongue assembly 30, the unlocking push piece 50 slides in a reciprocating manner under the driving of the triangular tongue assembly 30, and the unlocking push piece 50 drives the lock block assembly 40 to release or restore the limit of the scissor tongue assembly when sliding in the reciprocating manner.

It should be noted that the lock body 100 provided in this embodiment may be an electronic lock or a mechanical lock, and may be directly applied to a door body such as a security door without a handle, or may be used in cooperation with a handle to lock the door body.

Referring to fig. 1 and 2, the lock case 10 includes a bottom case 11, a face case 12 and side plates 13, the bottom case 11 and the face case 12 are both rectangular structures, the face case 12 is covered on the side surface of the bottom case 11 to form a case structure having an accommodating space therein, and the side plates 13 are detachably mounted on the side walls of the bottom case 11 by means of screw connection or the like. Meanwhile, the side plate 13 may be fixed to the door body by an assembly method such as a screw connection, thereby fixing the lock body 100. After the lock body 100 is installed on the door body, the length direction of the lock case 10 may be parallel to the rotation axis of the door body. Of course, the lock case 10 may be a case structure with other shapes, and the lock case 10 may also be fixed on the door body by welding or the like, which is not limited in this application.

In this embodiment, the scissors tongue assembly 20 and the triangle tongue assembly 30 are respectively disposed at two ends of the lock case 10 in the length direction, the scissors tongue assembly 20 and the triangle tongue assembly 30 are telescopically disposed relative to the side plate 13, and the lock block assembly 40 is disposed at a side of the scissors tongue assembly 20 away from the side plate 13; the unlocking push piece 50 is arranged in a long strip plate shape, two ends of the unlocking push piece 50 are respectively and closely adjacent to the scissors tongue assembly 20 and the triangle tongue assembly 30, and the extending direction and the sliding direction of the unlocking push piece 50 are parallel to the length direction of the lock shell 10, so that the installation of other parts in the lock shell 10 is facilitated. Of course, in other embodiments of the present application, the scissor tongue assemblies 20 and the triangular tongue assemblies 30 may be disposed closely adjacent to each other, and the lock block assembly 40 may also limit the position of the scissor tongue assemblies 20.

In this embodiment, the lock assembly 40 includes a lock bracket 41 and a lock roller 42, the lock bracket 41 is rotatably mounted in the lock housing, when the lock bracket 41 is located at the first position, the lock bracket 41 limits the shear tongue assembly 20, and when the lock bracket 41 is located at the second position, the lock bracket 41 is disengaged from the limit fit of the shear tongue assembly 20; the lock roller 42 is mounted to the lock bracket 41, and the unlocking push piece 50 is used to push the lock bracket 41 to rotate to the second position by the lock roller 42 when sliding toward the shear tongue assembly 20.

Wherein, the lock block bracket 41 is convexly provided with a lock block roller mounting column, and the lock block roller 42 is rotatably sleeved on the periphery of the lock block roller mounting column. In the embodiment, the unlocking push piece 50 is abutted to the locking piece assembly 40 through the locking piece roller 42, so that the friction force between the locking piece assembly 40 and the unlocking push piece 50 can be reduced, and the unlocking push piece 50 can easily push the locking piece assembly 40 to rotate.

In this embodiment, a locking piece linkage portion 51 is convexly disposed on one side of the unlocking pushing piece 50 facing the locking piece support 41, the locking piece linkage portion 51 includes a sliding plane 52, the sliding plane 52 abuts against the locking piece roller 42, and an extending direction of the sliding plane 52 is perpendicular to a sliding direction of the unlocking pushing piece 50. The sliding plane 52 can ensure that the speed of the lock block bracket 41 rotating from the first position to the second position is the same as the speed of the lock block bracket 41 rotating from the second position to the first position under the condition that the reciprocating sliding speed of the unlocking push piece 50 towards and away from the scissor tongue assembly 20 is consistent, so that the stress between the unlocking push piece 50 and the lock block assembly 40 is kept stable, and the stability of transmission fit between the unlocking push piece 50 and the lock block assembly 40 is improved.

In other embodiments of the present application, the extending direction of the sliding plane 52 may be inclined to the sliding direction of the unlocking pushing piece 50, or the locking piece linkage portion 51 is not provided with the sliding plane 52, but is a contact surface such as a curved surface, and the like, and can also push the locking piece assembly 40 to rotate.

In this embodiment, the lock block bracket 41 includes a first limit plate 43, a second limit plate 44, a lock block rotating column 45 and a lock block limit column 46, two ends of the lock block rotating column 45 are respectively connected with the first limit plate 43 and the second limit plate 44, and the lock block rotating column 45 is rotatably connected with the lock case 10; the lock block limiting column 46 is disposed on one side of the lock block bracket 41 facing the scissors tongue assembly 20, and two ends of the lock block limiting column 46 are respectively connected to the first limiting plate 43 and the second limiting plate 44, and are used for abutting against the scissors tongue assembly 20 when the lock block bracket 41 is located at the first position.

The lock block rotating column 45 is substantially located at the rear side of the scissor bolt assembly 20, two ends of the lock block rotating column 45 are respectively rotatably connected to the bottom shell 11 and the face shell 12, and the first limiting plate 43 and the second limiting plate 44 are fixedly connected to the lock block rotating column 45 to realize the rotating fit with the lock shell 10. The lock block bracket 41 adopts a frame structure consisting of the first limiting plate 43, the second limiting plate 44, the lock block rotating column 45 and the lock block limiting column 46, so that the weight can be reduced as much as possible on the premise of ensuring the structural stability of the lock block assembly 40. In addition, the lock block limiting column 46 is abutted against the scissors tongue assembly 20, so that a sufficient contact area between the lock block bracket 41 and the scissors tongue assembly 20 can be ensured, and the lock block bracket 41 can stably limit the scissors tongue assembly 20.

In addition, the lock block limiting column 46 can be fixedly connected between the first limiting plate 43 and the second limiting plate 44, or can be rotatably arranged between the first limiting plate 43 and the second limiting plate 44, when the lock block limiting column 46 is rotatably arranged between the first limiting plate 43 and the second limiting plate 44, the lock block limiting column can be in rolling fit with the scissors tongue assembly 20, and therefore friction force between the lock block support 41 and the scissors tongue assembly 20 can be reduced when the lock block support 41 is about to reach or break away from the first position.

In this embodiment, the first limiting plate 43 includes a first limiting main body portion 431, a first limiting connection portion 432, and a first limiting installation portion 433, and both ends of the first limiting main body portion 431 in the length direction are respectively provided with a locking piece rotating column 45 and a locking piece limiting column 46; the first limit connecting part 432 is arranged on one side of the first limit main body part 431 facing the triangular tongue assembly 30; the first limiting connecting portion 432 is provided with a first limiting mounting portion 433 towards one end of the triangular tongue assembly 30, the distance between the first limiting mounting portion 433 and the second limiting plate 44 is smaller than the distance between the first limiting connecting portion 432 and the second limiting plate 44, and the lock roller 42 is arranged on one side of the first limiting mounting portion 433 departing from the second limiting plate 44.

Wherein, first spacing main part 431 is long platelike structure, is provided with the arc surface that rotates the post 45 with the locking piece in the one end that first spacing main part 431 is provided with locking piece, and the one end that first spacing main part 431 is provided with the spacing post 46 of locking piece is provided with the arc surface that coincides with the axle center of the spacing post 46 of locking piece, avoids taking place to collide with other parts in the pivoted in-process of locking piece support 41.

First spacing main part 431 is close to drain pan 11 and sets up, first spacing installation department 433 can be bent towards second limiting plate 44 by first spacing connecting portion 432 and form for the interval sets up and is formed with the space that is used for installing locking piece gyro wheel 42 between first spacing installation department 433 and the drain pan 11, and simultaneously, unblock push jack 50 sets up between first spacing installation department 433 and drain pan 11, and certain limiting displacement can be played in first spacing installation department 433, guarantees that unblock push jack 50 can slide all the time pasting drain pan 11.

In this embodiment, the second limiting plate 44 includes a second limiting body part 441 and a second limiting connection part 442, the outline of the second limiting body part 441 is identical to that of the first limiting body part 431, the second limiting connection part 442 is disposed on one side of the second limiting body part 441 facing the cam tongue assembly 30, a lock connecting post 443 is disposed between the second limiting connection part 441 and the first limiting installation part 433, and the lock connecting post 443 is used for connecting the first limiting plate 43 and the second limiting plate 44, so as to enhance the structural stability of the lock bracket 41.

Referring to fig. 2 and 3, in the present embodiment, the lock block assembly 40 further includes a first torsion spring connection column 47, a second torsion spring connection column 48 and a return torsion spring 49, the first torsion spring connection column 47 is disposed in the lock case 10, and two ends of the second torsion spring connection column 48 are respectively connected to the first limiting plate 43 and the second limiting plate 44; the reset torsion spring 49 is sleeved on the periphery of the lock block rotating column 45, one end of the reset torsion spring 49 abuts against the first torsion spring connecting column 47, and the other end of the reset torsion spring 49 abuts against the second torsion spring connecting column 48, so that the lock block support 41 is driven to rotate to the first position under the action of restoring force, and the scissors tongue assembly 20 is limited.

Wherein, the first torsion spring connecting column 47 is fixedly connected to the bottom case 11 adjacent to the locking piece bracket 41. In other embodiments of the present application, the second torsion spring connecting post 48 is not disposed on the lock block assembly 40, and one end of the return torsion spring 49 can be directly connected to the first limiting plate 43 or the second limiting plate 44, so as to also return the lock block assembly 40.

In this embodiment, the unlocking push piece 50 is provided with a push piece sliding groove 54, the length of the push piece sliding groove 54 is consistent with the sliding direction of the unlocking push piece 50, and the ratio of the distance between the axis of the lock block rotating column 45 and the lock block limiting column 46 to the length of the push piece sliding groove 54 is greater than a preset multiple; for example, in some embodiments, the distance between the axes of the lock block rotating column 45 and the lock block limiting column 46 is more than 4 times the length of the push plate sliding slot 54, so that the arc length of rotation of the lock block assembly 40 from the first position to the second position is ensured to have a sufficient size to be able to separate from the limit of the scissor tongue assembly 20 on the premise of minimizing the sliding distance of the unlocking push plate 50, thereby achieving the purpose of saving the inner space of the lock case 10.

A push sheet guide post 14 corresponding to the push sheet sliding groove 54 is arranged in the lock shell 10, and the push sheet guide post 14 is in sliding fit with the push sheet sliding groove 54; in some embodiments, the number of the push piece sliding grooves 54 is two, and the two push piece sliding grooves 54 are respectively located at two ends of the unlocking push piece 50 in the length direction; the unlocking push piece 50 can be riveted on the bottom shell 11 through the push piece guide post 14, so that the unlocking push piece 50 is ensured to be always attached to the bottom shell 11 to slide, and the stability of the transmission structure is enhanced. Of course, the sliding connection between the unlocking pushing piece 50 and the bottom case 11 can also be realized by matching a guide rail and a sliding block or other ways, and a person skilled in the art can make adaptive adjustment as required.

In this embodiment, the scissor tongue assembly 20 includes a scissor tongue 21 and a scissor tongue torsion spring 22, the scissor tongue 21 is telescopically arranged with respect to the side wall of the lock case 10, the scissor tongue torsion spring 22 is sleeved on the blade guide post 14, and one end of the scissor tongue torsion spring 22 is connected to the scissor tongue 21 for pushing the scissor tongue 21 to extend out of the lock case 10 under the action of a restoring force.

It should be noted that, when the lock body 100 is actually used, a door frame guide piece is usually installed on the door frame, and the door frame guide piece is provided with a lock tongue hole corresponding to the scissor tongue 21, during the door closing process, the scissor tongue 21 is firstly pressed into the lock case 10 by the door frame guide piece, and then extends out of the corresponding lock tongue hole under the restoring force of the scissor tongue torsion spring 22, so as to achieve the door closing and locking. It is within the scope of the present application that persons skilled in the art may replace the shear tongue assembly 20 with other lock tongues having the same function, such as a latch tongue.

In this embodiment, the triangular tongue assembly 30 includes a triangular tongue 31, a spring limit plate 32, a movable rod 33, a return spring 34 and a triangular tongue push rod 35, and the triangular tongue 31 is telescopically arranged relative to the side wall of the lock case 10; the spring limiting plate 32 is arranged in the lock shell 10; one end of the movable rod 33 is connected with the triangular tongue 31, and the other end of the movable rod 33 is movably arranged on the spring limit plate 32 in a penetrating way; the reset spring 34 is sleeved on the periphery of the movable rod 33, one end of the reset spring 34 is connected with the movable rod 33, and the other end of the reset spring 34 is connected with the spring limiting plate 32 and used for pushing the triangular tongue 31 to extend out of the lock shell 10 under the action of a restoring force; the triangular tongue push rod 35 is arranged on the movable rod 33, and the triangular tongue push rod 35 is provided with a triangular tongue roller 36 in sliding fit with the unlocking push sheet 50.

The spring limiting plate 32 can be fixedly arranged on the bottom shell 11, the triangular tongue pushing rod 35 is located between the face shell 12 and the unlocking pushing piece 50, the triangular tongue roller 36 is rotatably arranged on one side, facing the unlocking pushing piece 50, of the triangular tongue pushing rod 35, friction between the triangular tongue pushing rod 35 and the unlocking pushing piece 50 can be greatly reduced through rolling fit of the triangular tongue roller 36 and the unlocking pushing piece 50, and stability of transmission fit between the triangular tongue assembly 30 and the unlocking pushing piece 50 is facilitated.

It should be noted that, the position of the door frame guiding piece corresponding to the triangular tongue 31 has no opening, and when the door is closed, the door frame guiding piece pushes the triangular tongue 31 to retract into the lock case 10 and keep it; when the door is opened, the triangular tongue 31 extends out of the lock shell 10 under the action of the return spring 34, so that the state detection of the door body is realized. It is within the scope of the present application that one skilled in the art may replace trigonal tongue assembly 30 with some other detection tongue having the same function, such as a latch tongue, according to the actual needs.

In this embodiment, one end of the unlocking push piece 50 facing the triangular tongue assembly 30 is provided with a transverse folding guide groove 53 in rolling fit with the triangular tongue roller 36, the transverse folding guide groove 53 includes a transverse guide groove 531 and an oblique guide groove 532, the extending direction of the transverse guide groove 531 is perpendicular to the sliding direction of the unlocking push piece 50, one end of the transverse guide groove 531 facing the extending direction of the triangular tongue 31 is provided with the oblique guide groove 532, and an included angle between the extending direction of the oblique guide groove 532 and the extending direction of the transverse guide groove 531 is an obtuse angle. In the embodiment, through the rolling fit of the transverse folding guide groove 53 and the triangular tongue roller 36, when the triangular tongue assembly 30 extends out of the lock shell 10, the triangular tongue roller 36 pushes the unlocking push piece 50 to slide in the direction away from the scissor tongue assembly 20; when the triangular tongue assembly 30 retracts into the lock shell 10, the triangular tongue roller 36 pushes the unlocking push piece 50 to slide towards the scissors tongue assembly 20, and the structure design is ingenious and practical.

Referring to fig. 4, the lock body 100 further includes a shifting block assembly 60, a lock cylinder assembly 70, a motor driving assembly 80 and a square bolt 90, the shifting block assembly 60 is rotatably installed in the lock housing 10, the shifting block assembly 60 includes a shifting plate 61, the shifting plate 61 is used for abutting against the lock block bracket 41 and driving the lock block bracket 41 to rotate, and the lock block bracket 41 can rotate from the first position to the second position, so as to release the position limitation of the scissor bolt assembly 20.

In this embodiment, the shifting block assembly 60 and the shifting plate 61 thereof are riveted to the bottom case 11, the shifting block assembly 60 drives the shifting plate 61 to rotate synchronously, the shifting roller 444 is disposed on one side of the second limiting connecting portion 442 facing the first limiting plate 43, and the shifting roller 444 is used for abutting against the shifting plate 61.

The lock core assembly 70 is arranged in the lock shell 10, is in transmission connection with the shifting block assembly 60, and is used for driving the shifting block assembly 60 to rotate; the plug assembly 70 may be a standard component for use with a key, the plug assembly 70 is disposed on the other side of the pick assembly 60 opposite to the plug support 41, and the plug assembly 70 may be connected to the pick assembly 60 through a gear transmission.

The motor driving assembly 80 is arranged in the lock shell 10, is in transmission connection with the shifting block assembly 60, and is used for driving the shifting block assembly 60 to rotate; the motor driving assembly 80 is arranged on the other side of the lock block bracket 41 opposite to the scissor tongue assembly 20, the motor driving assembly 80 can be a standard component and comprises a motor, a speed reducer, a control circuit board and the like, and a power output shaft of the electrode driving assembly 80 can be in transmission connection with the shifting block assembly 60 through a transmission gear.

The square tongue 90 is telescopically arranged relative to the side plate 13, one end of the square tongue 90 positioned in the lock shell 10 is slidably connected with the shifting block assembly 60, and the shifting block assembly 60 drives the square tongue 90 to be telescopic in the rotating process. When a user opens the door in an electronic mode, the motor driving assembly 80 receives a user instruction and then drives the shifting block assembly 60 to rotate, at the moment, the shifting block assembly 60 drives the square bolt 90 to retract into the shell 10 and simultaneously drives the shifting plate 61 to synchronously rotate, the shifting plate 61 pushes the locking block support 41 to rotate from the first position to the second position, the limiting on the scissor bolt assembly 20 is released, and the scissor bolt assembly 20 can retract into the lock shell 10 to open the door; when a user opens the door mechanically, the lock core assembly 70 drives the shifting block assembly 60 to rotate, at this time, the shifting block assembly 60 drives the square bolt 90 to retract into the casing 10 and simultaneously drives the shifting plate 61 to synchronously rotate, the shifting plate 61 pushes the lock block bracket 41 to rotate from the first position to the second position, the limiting on the scissor bolt assembly 20 is released, and the scissor bolt assembly 20 can retract into the lock casing 10, so that the door can be opened as well.

The working principle and the process of the embodiment of the application are described in detail as follows:

referring to fig. 1, in the door opening state, the triangular tongue assembly 30 pops up, and the unlocking push piece 50 is pushed to slide towards the scissor tongue assembly 20 through the cooperation of the triangular tongue roller 36 and the transverse folding guide groove 53, at this time, the unlocking push piece 50 pushes the lock block assembly 40 to rotate to the second position, the scissor tongue assembly 20 is not limited, and the scissor tongue assembly 20 is in the unlocked state and can freely retract.

Referring to fig. 3, in a door closing state, the triangular tongue assembly 30 is pressed into the lock housing 10, the triangular tongue roller 36 and the transverse folding guide groove 53 cooperate to push the unlocking push piece 50 to slide in a direction away from the scissor tongue assembly 20, the lock block assembly 40 is reset to rotate to the first position under the action of the reset torsion spring 34, and at this time, the lock block assembly 40 limits the scissor tongue assembly 20, so that the scissor tongue assembly 20 is locked.

To sum up, the embodiment of the present application provides a lock body, the lock body 100 adopts the unlocking push piece 50 to realize the transmission of the triangular tongue assembly 30 and the lock block assembly 40, because the unlocking push piece 50 is slidably mounted in the lock shell 10, the transmission structure inside the lock body can be simpler, and simultaneously, the one end of the unlocking push piece 50 is rolled and offset with the lock block assembly 40, so as to reduce friction force between the two, can more stably drive the lock block assembly 40 to rotate, ensure the stable action of the lock block assembly 40, and realize the stable locking of the scissors tongue assembly 20.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A lock body, including the lock shell, its characterized in that, the lock body still includes:

the scissors tongue assembly is telescopically arranged on the lock shell;

the triangular tongue component is telescopically arranged on the lock shell;

the lock block assembly is rotatably arranged in the lock shell and used for limiting the shear tongue assembly; and

the unlocking push piece is slidably installed in the lock shell, one end of the unlocking push piece is abutted to the lock block assembly, the other end of the unlocking push piece is linked with the triangular tongue assembly, the unlocking push piece is driven by the triangular tongue assembly to slide in a reciprocating mode, and the unlocking push piece drives the lock block assembly to release or restore the limit of the scissors tongue assembly when sliding in the reciprocating mode.

2. The lock body of claim 1, wherein said lock block assembly comprises:

the lock block support is rotatably arranged in the lock shell, when the lock block support is positioned at a first position, the lock block support limits the shear tongue assembly, and when the lock block support is positioned at a second position, the lock block support is separated from the limit fit with the shear tongue assembly;

the locking piece idler wheel is installed on the locking piece support, one end of the unlocking push piece is in rolling and abutting contact with the locking piece idler wheel, and the unlocking push piece is used for pushing the locking piece support to rotate to the second position through the locking piece idler wheel when the scissors tongue assembly slides.

3. The lock body of claim 2, wherein a locking piece linkage portion is convexly arranged on one side of the unlocking push piece facing the locking piece support, the locking piece linkage portion comprises a sliding plane, the sliding plane abuts against the locking piece roller, and the extending direction of the sliding plane is perpendicular to the sliding direction of the unlocking push piece.

4. The lock of claim 2, further comprising:

the shifting block assembly is rotatably arranged in the lock shell and comprises a shifting plate which is used for abutting against the lock block support and driving the lock block support to rotate;

the lock core assembly is arranged in the lock shell, is in transmission connection with the shifting block assembly and is used for driving the shifting block assembly to rotate;

and the motor driving assembly is arranged in the lock shell, is in transmission connection with the shifting block assembly and is used for driving the shifting block assembly to perform transmission.

5. The lock body of claim 2, wherein the lock piece bracket comprises a first limit plate, a second limit plate, a lock piece rotating column and a lock piece limit column, two ends of the lock piece rotating column are respectively connected with the first limit plate and the second limit plate, and the lock piece rotating column is rotatably connected with the lock shell;

the lock block limiting column is arranged on one side, facing the scissors tongue component, of the lock block support, and two ends of the lock block limiting column are connected to the first limiting plate and the second limiting plate respectively and used for abutting against the scissors tongue component when the lock block support is located at the first position.

6. The lock body of claim 5, wherein the first limiting plate comprises a first limiting main body part, a first limiting connecting part and a first limiting mounting part, and the locking piece rotating column and the locking piece limiting column are respectively arranged at two ends of the first limiting main body part in the length direction; the first limiting connecting part is arranged on one side, facing the triangular tongue assembly, of the first limiting main body part; first spacing connecting portion orientation the one end of triangle tongue subassembly is provided with first spacing installation department, first spacing installation department with interval between the second limiting plate is less than first spacing connecting portion with interval between the second limiting plate, the setting of locking piece gyro wheel is in first spacing installation department deviates from one side of second limiting plate.

7. The lock body of claim 5, wherein said lock block assembly further comprises:

a first torsion spring connection post disposed within the lock housing;

the two ends of the second torsion spring connecting column are respectively connected with the first limiting plate and the second limiting plate;

the reset torsion spring, the reset torsion spring cover is established the periphery of locking piece rotation post, the both ends of reset torsion spring respectively with first torsion spring spliced pole with second torsion spring spliced pole offsets for drive under the effect of restoring force the locking piece support rotates to the first position.

8. The lock body of claim 5, wherein the unlocking push piece is provided with a push piece sliding groove, the length of the push piece sliding groove is consistent with the sliding direction of the unlocking push piece, and the distance between the axis of the locking piece rotating column and the axis of the locking piece limiting column is more than 4 times of the length of the push piece sliding groove; the lock shell is internally provided with a push sheet guide post corresponding to the push sheet sliding groove, and the push sheet guide post is in sliding fit with the push sheet sliding groove.

9. The lock body of any one of claims 1-8, wherein said delta-tongue assembly comprises:

the triangular tongue is arranged in a telescopic manner relative to the side wall of the lock shell;

the spring limiting plate is arranged in the lock shell;

one end of the movable rod is connected to the triangular tongue, and the other end of the movable rod movably penetrates through the spring limiting plate;

the return spring is sleeved on the periphery of the movable rod, one end of the return spring is connected with the movable rod, and the other end of the return spring is connected with the spring limiting plate and used for pushing the triangular tongue to extend out of the lock shell under the action of restoring force;

the triangular tongue push rod is arranged on the movable rod and provided with a triangular tongue roller which is in rolling fit with the unlocking push piece.

10. The lock body of claim 9, wherein a transverse folding guide groove matched with the triangular tongue roller in a rolling manner is formed in one end, facing the triangular tongue assembly, of the unlocking push piece, the transverse folding guide groove comprises a transverse guide groove and an oblique guide groove, the extending direction of the transverse guide groove is perpendicular to the sliding direction of the unlocking push piece, the oblique guide groove is formed in one end, facing the extending direction of the triangular tongue, of the transverse guide groove, and an included angle formed between the extending direction of the oblique guide groove and the extending direction of the transverse guide groove is an obtuse angle.

Images