CN209799617U - Transmission structure of lock cylinder, lock cylinder structure and lockset - Google Patents

Abstract

The utility model belongs to the technical field of electronic lock structure, a transmission structure, lock core structure and tool to lock of lock core is provided, including front axle subassembly and rear axle subassembly, and the drive unit, be equipped with first cooperation unit in the front axle subassembly, be equipped with second cooperation unit in the rear axle subassembly, first cooperation unit includes first shaft section of thick bamboo, second cooperation unit includes the second shaft section of thick bamboo, a plurality of first cooperation bosss have been outwards extended towards one end of the second shaft section of thick bamboo to the first shaft section of thick bamboo, the second shaft section of thick bamboo outwards extends towards one end of the first shaft section of thick bamboo has a plurality of second cooperation bosss, when the drive unit drive the first shaft section of thick bamboo moves towards the second shaft section of thick bamboo, arbitrary first cooperation boss spacing connection is between two adjacent second cooperation bosss; the design can solve the problem that the structural matching of the lock core part of the existing additional lock is unstable.

Description

Transmission structure of lock cylinder, lock cylinder structure and lockset

Technical Field

The utility model belongs to the technical field of the electronic lock structure, especially, relate to a transmission structure, lock core structure and tool to lock of lock core.

Background

With the development of science and technology and the gradual enhancement of the safety consciousness of people; people's choice of house lock body more and more tend to the electronic lock that the security is better, more convenient. The lock core structure of the existing electronic lock is mostly characterized in that after the electronic lock is unlocked by the electronic lock, the unlocking process is realized through the matching of a mechanical structure, but the existing structure is unstable in matching.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmission structure of lock core aims at solving the unstable problem of the lock core part structure cooperation of current volume tool to lock.

The utility model discloses a solve like this: the utility model provides a transmission structure of lock core, includes front axle subassembly and rear axle subassembly to and the drive unit, be equipped with first cooperation unit in the front axle subassembly, be equipped with second cooperation unit in the rear axle subassembly, first cooperation unit includes a first shaft section of thick bamboo, second cooperation unit includes a second shaft section of thick bamboo, a first shaft section of thick bamboo orientation the outside extension of one end of second shaft section of thick bamboo has a plurality of first cooperation bosss, a second shaft section of thick bamboo orientation the outside extension of one end of a first shaft section of thick bamboo has a plurality of second cooperation bosss, the drive unit drive a first shaft section of thick bamboo orientation when a second shaft section of thick bamboo removes, arbitrary first cooperation boss spacing connection is adjacent two between the second cooperation boss.

Further, a plurality of the first fitting units are evenly distributed on the end portion of the first shaft cylinder, and a plurality of the second fitting bosses are evenly distributed on the end portion of the second shaft cylinder.

Furthermore, the first matching bosses and the second matching bosses are arranged in a circular ring shape, and the distance between every two adjacent second matching bosses is larger than or equal to the width of the first matching bosses.

Further, a first riveting cap, a first riveting shaft movably matched with the first riveting cap and a first spring part elastically connected between the first riveting cap and the first riveting shaft are movably connected in the first shaft cylinder; a second riveting cap, a second riveting shaft movably matched with the second riveting cap and a second spring part elastically connected between the second riveting cap and the second riveting shaft are movably connected in the second shaft; and a third spring part is connected between the first riveting cap and the second riveting cap.

Furthermore, the driving unit is divided into a first driving unit connected in the front axle assembly and a second driving unit connected in the rear axle assembly, the front end of the first driving unit abuts against the first riveting axle, and the front end of the second driving unit abuts against the second riveting axle.

Further, a first connecting hole is formed in the first shaft barrel, and the first riveting cap comprises a first abutting part abutting against the end part of the first connecting hole and a first inserting shaft extending towards the inside of the first connecting hole along the end face of the first abutting part; the first riveting shaft comprises a second abutting part which can be connected in the first connecting hole in a limiting and movable mode and a first inserting sleeve which extends towards the first inserting shaft along the end face of the second abutting part, the first inserting shaft can be movably inserted into the first inserting sleeve, and the first spring part is sleeved on the first inserting sleeve; the second contact portion is in contact with a front end of the first drive unit.

Further, a second connecting hole is formed in the second shaft, and the second riveting cap comprises a third abutting part abutting against the end part of the second connecting hole and a second inserting shaft extending towards the inside of the second connecting hole along the end face of the third abutting part; the second riveting shaft comprises a fourth abutting part which can be connected in the second connecting hole in a limiting and movable mode and a second inserting sleeve which extends towards the second inserting shaft along the end face of the fourth abutting part, the second inserting shaft can be movably inserted into the second inserting sleeve, and the second spring part is sleeved on the second inserting sleeve; the fourth contact portion is in contact with a front end of the second drive unit.

Furthermore, a first annular groove which can limit the moving distance of the second abutting part is arranged in the first connecting hole, and the diameter of the first annular groove is larger than that of the first connecting hole; a second annular groove which can limit the moving distance of the fourth abutting part is arranged in the second connecting hole, and the diameter of the second annular groove is larger than that of the second connecting hole.

The utility model also provides a lock core structure, including the transmission structure of aforementioned lock core.

The utility model also provides a tool to lock, including aforementioned lock core structure.

The utility model provides a transmission structure, lock core structure and the tool to lock of lock core are for the technological effect that prior art has: through the arrangement of the first matching unit, the second matching unit and the driving assembly, a plurality of first matching bosses extend from the front end of a first shaft cylinder on the first matching unit, a plurality of second matching bosses extend from the front end of a second shaft cylinder on the second matching unit, when the driving unit drives the first shaft cylinder to move forwards, the first matching bosses are in limited connection with two adjacent second matching bosses, so that the first shaft cylinder and the second shaft cylinder can be connected together, and further when external force acts on the front shaft assembly, the second shaft cylinder can be driven by the first shaft cylinder, so that a rear shaft assembly is driven; the design makes the cooperation in the lock core structure more stable like this, and the transmission of effort is more effective.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a partially exploded view of a lock cylinder structure provided in an embodiment of the present invention.

Fig. 2 is an overall exploded view of the lock cylinder structure provided by the embodiment of the present invention.

Fig. 3 is a half-section view of a front axle assembly in the lock cylinder structure provided by the embodiment of the present invention.

Fig. 4 is a half-section view of a rear axle assembly in the lock cylinder structure provided by the embodiment of the utility model.

Fig. 5 is a first perspective view of a cam member in the lock cylinder structure provided by the embodiment of the present invention.

Fig. 6 is a second perspective view of a cam member in the lock cylinder structure provided by the embodiment of the present invention.

Fig. 7 is a perspective view of a matching unit in the lock cylinder structure provided by the embodiment of the present invention.

Fig. 8 is a half-section view of a matching unit in the lock cylinder structure provided by the embodiment of the present invention.

Fig. 9 is an exploded view of a driving unit in a lock cylinder structure according to an embodiment of the present invention.

Fig. 10 is an overall view of a lock cylinder structure provided in an embodiment of the present invention.

Fig. 11 is a state diagram of the lock cylinder structure provided by the embodiment of the present invention when the first engaging unit and the second engaging unit are not connected.

Fig. 12 is a state diagram of the lock cylinder structure provided by the embodiment of the present invention when the first matching unit and the second matching unit are connected.

Wherein, the front axle component 10, the first shaft coupling part 11, the first annular groove 111, the open slot 114(212), the first shaft coupling connector 112, the extension part 1121, the second shaft coupling connector 113, the notch 1131, the first sliding slot 115, the first limit slot 116, the first clamping pin 117, the first connecting axle 12, the adjusting hole 121, the anti-detaching piece 122, the fixing part 1221, the back-off part 1222, the second annular groove 211, the first matching unit 13, the first axle tube 131, the first riveting cap 132, the first abutting table 1321, the first abutting part 1322, the first inserting axle 1323, the first riveting axle 133, the second abutting part 1331, the first inserting sleeve 1332, the first sliding block 134, the first matching boss 135, the first spring part 136, the first connecting hole 137, the second through hole 14, the third through hole 15, the rear axle component 20, the second connecting axle component 21, the second sliding slot 213, the second limit slot 214, the second clamping pin 215, and the second connecting axle 22, the second fitting unit 23, the second shaft barrel 231, the second rivet cap 232, the second abutment 2321, the third abutment 2322, the second inserting shaft 2323, the second rivet shaft 233, the fourth abutment 2331, the second inserting sleeve 2232, the second slider 234, the second fitting boss 235, the second spring member 236, the second connecting hole 237, the fourth through hole 24, the fifth through hole 25, the cam member 30, the connecting portion 31, the boss portion 32, the first through hole 33, the first connecting groove 34, the second connecting groove 35, the stopper table 36, the third spring member 37, the first snap ring 38, the second snap ring 39, the main body member 40, the rotation groove 41, the first through hole 42, the second through hole 43, the first driving unit 50, the first driving motor 51, the first fixing sleeve 52, the first driving shaft module 53, the first speed reducing unit 54, the second speed reducing unit 55, the first fixing member 56, the first fixing block 57, the stopper 58, the second driving unit 60, the second driving motor 61, the second fixing sleeve 62, the second driving shaft module 63, the second fixing piece 66, the second fixing block 67 and the electric wire 70.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 2, and fig. 10, in an embodiment of the present invention, a lock cylinder structure is provided, which includes a main body member 40, a front axle assembly 10, a rear axle assembly 20, and a cam member 30. The main body 40 is installed on the door when in use, a rotating groove 41 is opened in the middle of the main body 40, the cam member 30 is rotatably connected in the rotating groove 41, and the mechanical structure on the lock is driven to rotate during the rotation process, so that the lock is unlocked. The front axle assembly 10 is limited and sleeved on a first end of the main body member 40, the rear axle assembly 20 is limited and sleeved on a second end of the main body member 40, the first end and the second end are preferably on the same straight line, and the first end and the second end are respectively located on two sides of the rotating groove 41, so that the cam member 30 is located between the front axle assembly 10 and the rear axle assembly 20, and the front axle assembly 10 and the rear axle assembly 20 are matched to realize the rotation of the cam member 30.

As shown in fig. 2, the front axle assembly 10 includes a first coupling portion 11 and a first connecting axle 12 extending outward along an end portion of the first coupling portion 11, and a first coupling unit 13 and a first driving unit 50 driving the first coupling unit 13 to move directionally. The first engaging unit 13 is movably connected in the first coupling portion 11, and the first driving unit 50 is connected in the first coupling portion 11 and the first connecting shaft 12 in a limited manner.

As shown in fig. 2, the rear axle assembly 20 includes a second coupling shaft portion 21 and a second connecting shaft 22 extending outward along an end portion of the second coupling shaft portion 21, and a second fitting unit 23 and a second driving unit 60 driving the second fitting unit 23 to move directionally. The second engaging unit 23 is movably connected in the second coupling portion 21, and the second driving unit 60 is connected in the second coupling portion 21 and the second connecting shaft 22 in a limiting manner.

As shown in fig. 2, 5 and 6, the cam member 30 is connected between the front axle assembly 10 and the rear axle assembly 20, when the rear axle assembly 20 is connected to the cam member 30 in a limited manner, the front axle assembly 10 cannot rotate the cam member 30 when rotating, i.e. the cam member is idle in the general sense; after the unlocking instruction is issued at the end of the front axle assembly 10, the first driving unit 50 drives the first matching unit 13 to move forward to be connected with the second matching unit 23, and when the door handle is rotated by external force, the first matching unit 13 drives the second matching unit 23 to rotate, so as to drive the rear axle assembly 20 to rotate, and further drive the cam member 30 to rotate, thereby realizing the unlocking process.

After the front axle assembly 10 is damaged, at this time, when the second driving unit 60 is controlled by the wireless signal, the wireless signal may be a bluetooth, WIFi, fingerprint or APP command, and then the second driving unit 60 drives the second matching unit 23 to move toward the first matching unit 13, so that the first matching unit 13 and the second matching unit 23 are connected, and further when the door handle is rotated by an external force, the first matching unit 13 drives the second matching unit 23 to rotate, thereby realizing the rotation of the cam member 30, so as to unlock; the design can make the lock core structure form a double-system structure, and the rear axle assembly 20 can still assist unlocking after the front axle assembly 10 outside the door is damaged.

In addition, the first driving unit 50 and the second driving unit 60 can also be driven simultaneously, and the cam member 30 is connected with the front axle assembly 10 and the rear axle assembly 20 in a limiting manner, at this time, there is no idle rotation of the front axle assembly 10, that is, the front axle assembly 10 cannot be rotated when there is no unlocking command; when the first driving unit 50 and the second driving unit 60 are driven simultaneously, the first engaging unit 13 and the second engaging unit 23 move towards each other simultaneously to achieve connection, and when the door handle is rotated, the front axle assembly 10 and the rear axle assembly 20 rotate simultaneously to achieve rotation of the cam member 30, so that the design can ensure more stable rotation of the cam member 30.

The lock cylinder structure is designed by arranging the front axle assembly 10 and the rear axle assembly 20, wherein the first driving unit 50 and the first matching unit 13 are arranged in the front axle assembly 10, and the second driving unit 60 and the second matching unit 23 are arranged in the rear axle assembly 20; meanwhile, the first driving unit 50 and the second driving unit 60 can drive the corresponding first matching unit 13 and second matching unit 23 simultaneously or separately to realize the rotation of the cam piece 30 so as to realize the unlocking process; and thus, after one side of the front axle assembly 10 or the rear axle assembly 20 is damaged, the unlocking function can still be realized. And the front axle assembly 10 and the rear axle assembly 20 may each be separately formed as a single piece, thereby making the fit within the lock cylinder more stable.

Specifically, as shown in fig. 1, 2 and 10, in the embodiment of the present invention, the structures of the main body member 40, the front axle assembly 10, the rear axle assembly 20 and the cam member 30 are respectively as follows;

As shown in fig. 2, 5 and 6, the cam member 30 includes a connecting portion 31 and a boss portion 32, the connecting portion 31 is preferably cylindrical and is located between the front axle assembly 10 and the rear axle assembly 20, and the connecting portion 31 rotates around the axis line thereof as the rotation center when the front axle assembly 10 and/or the rear axle assembly 20 rotates; the boss portion 32 extends outwards along the periphery of the connecting portion 31, and when the connecting portion 31 rotates, the boss portion 32 rotates to shift a mechanical structure in the lock, so that an unlocking process is achieved.

Specifically, as shown in fig. 5 and 6, the connecting portion 31 is opened with a first through hole 33 coaxial with the connecting portion 31 in the axial direction, while one end of the connecting portion 31 is recessed inwardly with a first connecting groove 34 connected with the first coupling portion 11, and the other end of the connecting portion 31 is recessed inwardly with a second connecting groove 35 connected with the second coupling portion 21. The first and second coupling grooves 34 and 35 are each preferably an annular groove, and the first and second coupling grooves 34 and 35 each have a diameter larger than that of the first through hole 33 and smaller than that of the coupling portion 31.

in this embodiment, as shown in fig. 1 and fig. 2, a first engaging groove is further formed on a groove wall of the first connecting groove 34, a second engaging groove is further formed on a groove wall of the second connecting groove 35, a first annular groove 111 is further formed on an outer wall surface of the first coupling portion 11, and a second annular groove 211 is formed on an outer wall surface of the second coupling portion 21; when the first shaft portion 11 is connected in the first connecting groove 34, the first annular groove 111 corresponds to a first clamping groove (not shown), and a first clamping ring 37 is connected between the first annular groove 111 and the first clamping groove in a limiting manner; when the second coupling shaft portion 21 is connected in the second connecting groove 35, the second annular groove 211 corresponds to a second clamping groove (not shown), and a second clamping ring 38 is connected between the second annular groove 211 and the second clamping groove in a limiting manner; this arrangement ensures a positive connection between the front and rear axle assemblies 10 and 20 and the cam member 30.

In this embodiment, as shown in fig. 5 and 6, the first connecting groove 34 and the second connecting groove 35 are both disposed along the axial direction of the first through hole 33, a limiting table 36 is further convexly disposed on the groove bottom of the first connecting groove 34 and/or the groove bottom of the second connecting groove 35, and a groove which is connected to the limiting table 36 to drive the connecting portion 31 to rotate is further disposed on the end surface of the first coupling portion 11 and/or the end surface of the second coupling portion 21. In this embodiment, it is preferable that the limiting table 36 is only disposed on the bottom of the second connecting groove 35, the end surface of the second coupling portion 21 is provided with a slot 114(212), and after the slot 114(212) is connected to the limiting table 36, when the front axle assembly 10 rotates to drive the rear axle assembly 20 to rotate after the first matching unit 13 and the second matching unit 23 are connected, the rear axle assembly 20 drives the cam member 30 to rotate.

As shown in fig. 1 to 4, the front axle assembly 10 and the rear axle assembly 20 have similar internal structures, and when viewed from the outside, the front axle assembly 10 includes a first coupling shaft portion 11 and a first connecting shaft 12, and the rear axle assembly 20 includes a second coupling shaft portion 21 and a second connecting shaft 22; the first shaft coupling portion 11 and the first connecting shaft 12 may be formed by splicing to be elongated for easy processing. The lengthening structure includes a first coupling 112 and a second coupling 113, the first connection shaft 12 is connected to the second coupling 113, an extension portion 1121 is further extended from one end of the second coupling 113 away from the first connection shaft 12, a notch portion 1131 is disposed at one end of the first coupling 112 facing the first coupling 112, and the extension portion 1121 is matched with the notch portion 1131 to connect the first coupling 112 and the second coupling 113 into a whole.

In the present embodiment, as shown in fig. 2, the extension portion 1121 extends along the end surface of the second coupling 113 in the axial direction, and the longitudinal section of the extension portion 1121 is a sector, the angle of the sector is preferably 45 ° to 75 °, and the shape of the notch portion 1131 is adapted to the shape of the extension portion 1121, so that the connection of the extension portion 1121 and the notch portion 1131 can ensure the matching of a tenon and a tongue, so that the strength of the connection of the first coupling 112 and the second coupling 113 can be ensured, and the first coupling 112 and the second coupling 113 can be more conveniently disassembled when the first matching unit 13 and the first driving unit 50 are installed.

In this embodiment, as shown in fig. 2, the number of the extending portions 1121 may be plural, and the number of the notch portions 1131 corresponds to the number of the extending portions 1121, and the extending portions 1121 are uniformly distributed at the end of the second coupling member 113 in a circular ring shape.

In the present embodiment, as shown in fig. 2, 4 and 5, a second through hole 14 is provided in the first coupling shaft portion 11 for the first matching unit 13 to move and connect, and a third through hole 15 is provided in the first connecting shaft 12 for the first driving unit 50 to connect in a limited manner; a fourth through hole 24 for the movable connection of the second matching unit 23 is formed in the second coupling portion 21, and a fifth through hole 25 for the limited connection of the second driving unit 60 is formed in the second coupling shaft 22; the second through hole 14 communicates with the third through hole 15, and the fourth through hole 24 communicates with the fifth through hole 25.

As shown in fig. 3, a second through hole 14 is provided in the first coupling shaft portion 11 for the first engaging unit 13 to move and connect, and a third through hole 15 is provided in the first connecting shaft 12 for the first driving unit 50 to connect in a limited manner; the second through hole 14 communicates with the third through hole 15, and the diameter of the second through hole 14 is preferably larger than the diameter of the third through hole 15;

As shown in fig. 2, 7 and 8, the first fitting unit 13 includes a first shaft 131, a first rivet cap 132 coupled inside the first shaft 131, a first rivet shaft 133 coupled inside the first shaft 131, and a first spring member 136 coupled inside the first shaft 131 and between the first rivet cap 132 and the first rivet shaft 133; the first shaft tube 131 is provided therein with a first connection hole 137, the first rivet cap 132 is located at one side of the first connection hole 137 close to the second matching unit 23, the first rivet shaft 133 is located at the other side, and the first spring member 136 is located therebetween.

As shown in fig. 2, 7 and 8, the first rivet cap 132 includes a disk-shaped first abutment portion 1322 and a first plug shaft 1323, and the first rivet cap 132 has an expanded umbrella shape; the first riveting shaft 133 includes a second abutting portion 1331 and a first inserting sleeve 1332, and the first riveting shaft 133 is also in an umbrella shape that is spread; the first plug shaft 1323 can be movably plugged into the first plug sleeve 1332, the first spring element 136 is located between the first abutting portion 1322 and the second abutting portion 1331, and the first spring element 136 is sleeved on the first plug sleeve 1332. In addition, the diameters of the first abutting portion 1322 and the second abutting portion 1331 are both larger than the diameter of the first connection hole 137, and the peripheral wall of the first connection hole 137 is further provided with a first annular groove 111 that defines the moving distance of the second abutting portion 1331, and the end surface of the first abutting portion 1322 abuts against the front end of the first connection hole 137, that is, one end of the first abutting portion 1322 abuts against the first connection hole 137 in the non-unlocked state, and the other end abuts against the third spring 37.

Also, as shown in fig. 2, 7 and 8, the second fitting unit 23 includes a second shaft 231, a second rivet cap 232 coupled inside the second shaft 231, a second rivet shaft 233 coupled inside the second shaft 231, and a second spring member 236 coupled inside the second shaft 231 and located between the second rivet cap 232 and the second rivet shaft 233; a second connecting hole 237 is formed in the second shaft 231, the second rivet cap 232 is disposed at one side of the second connecting hole 237 close to the first matching unit 13, the second rivet shaft 233 is disposed at the other side, and the second spring member 236 is disposed therebetween.

As shown in fig. 2, 7 and 8, the second rivet cap 232 includes a disk-shaped third abutting portion 2322 and a second insertion shaft 2323, and the second rivet cap 232 has an expanded umbrella shape; the second rivet shaft 233 includes a fourth contact portion 2331 and a second plug-in sleeve 2232, and the second rivet shaft 233 is also in the shape of an opened umbrella; the second plugging shaft 2323 can be movably plugged into the second plugging sleeve 2232, the second spring member 236 is located between the third abutting portion 2322 and the fourth abutting portion 2331, and the second spring member 236 is sleeved on the second plugging sleeve 2232. In addition, the diameters of the third abutting portion 2322 and the fourth abutting portion 2331 are both larger than the diameter of the second connecting hole 237, and a second annular groove 211 which limits the moving distance of the fourth abutting portion 2331 is further provided on the peripheral wall of the second connecting hole 237, the end surface of the third abutting portion 2322 abuts on the front end of the second connecting hole 237, that is, one end of the third abutting portion 2322 abuts on the second connecting hole 237 in the state of not unlocking, and the other end abuts on the third spring member 37.

As shown in fig. 2, 7 and 8, a third spring member 37 is connected between the first abutment portion 1322 and the third abutment portion 2322, and the third spring member 37 is inserted into the first through hole 33 of the connecting portion 31 of the cam member 30. Meanwhile, the first abutting portion 1322 is further provided with a first abutting table 1321 for facilitating the connection of the third spring member 37, and the third abutting portion 2322 is further provided with a second abutting table 2321 for facilitating the connection of the third spring member 37.

Further, as shown in fig. 11 and 12, when the first driving unit 50 drives the second abutting portion 1331 to move forward, the first spring member 136 is pressed, and at the same time, the first abutting portion 1322 moves forward and presses the third spring member 37, and the third spring member 37 is compressed. Meanwhile, after the second abutting portion 1331 moves a certain distance in the first annular groove 111, the second abutting portion 1331 drives the first shaft barrel 131 to move forward, and finally the front end of the first shaft barrel 131 abuts against the front end of the second shaft barrel 231.

In this embodiment, as shown in fig. 2, 7 and 8, a plurality of first engaging bosses 135 are further disposed at an end of the first shaft 131 facing the second shaft 231, a plurality of second engaging bosses 235 are further disposed at an end of the second shaft 231 facing the first shaft 131, the first engaging bosses 135 and the second engaging bosses 235 are staggered, and when the first engaging unit 13 moves towards the second engaging unit 23, one first engaging boss 135 is connected between two second engaging bosses 235, and one second engaging boss 235 is connected between two first engaging bosses 135. The design ensures that the first matching unit 13 can drive the second matching unit 23 to rotate when rotating, and drive the front axle assembly 10, the rear axle assembly 20 and the cam member 30 to rotate together, thereby realizing unlocking.

In this embodiment, as shown in fig. 2 to 4, a first sliding block 134 is further disposed on an outer peripheral surface of an end of the first shaft tube 131 facing away from the second shaft tube 231, for limiting a moving direction of the first shaft tube 131 in the second through hole 14, and a first sliding groove 115 is further disposed on an outer wall of the first shaft coupling portion 11 corresponding to the first sliding block 134; a second sliding block 234 for limiting the movement of the second shaft 231 in the fourth through hole 24 is further disposed on the outer peripheral surface of the end of the second shaft 231 facing away from the first shaft 131, and a second sliding slot 213 is further disposed on the outer wall of the second coupling portion 21 corresponding to the second sliding block 234.

As shown in fig. 1 and 2, the first slide groove 115 is provided along the axial direction of the first coupling portion 11, and the second slide groove 213 is provided along the axial direction of the second coupling portion 21. The design can ensure that the first shaft tube 131 can only move along the axial direction of the first shaft coupling part 11, and the first shaft coupling part 11 can drive the first shaft tube 131 to rotate when rotating, and can drive the second shaft tube 231 to rotate after the first shaft tube 131 is connected with the second shaft tube 231; the second shaft sleeve 231 in turn rotates the rear shaft assembly 20 and ultimately the cam member 30.

As shown in fig. 2 and 9, the first driving unit 50 includes a first driving motor 51, a first transmission module connected to the first driving motor 51, a first driving shaft module 53 connected to the first transmission module, and a first fixing sleeve 52 sleeved outside the first driving shaft module 53; after receiving the unlocking signal, the first driving motor 51 transmits the driving force to the first driving shaft module 53 through the first transmission module, and then the first driving shaft module 53 abuts against the second abutting portion 1331 in the first shaft tube 131, thereby realizing the connection between the first shaft tube 131 and the second shaft tube 231.

Also, as shown in fig. 2 and 9, the second driving unit 60 includes a second driving motor 61, a second transmission module connected to the second driving motor 61, a second driving shaft module 63 connected to the second transmission module, and a second fixing sleeve 62 sleeved outside the second driving shaft module 63. The second drive unit 60 serves its backup function.

In the present embodiment, as shown in fig. 2 and 9, the first drive motor 51 and the second drive motor 61 are electrically connected to the control board on the door handle through the electric wire 70, which facilitates the transmission of electric signals; and the electric wire 70 passes through the third through hole 15 and the first connecting shaft 12 or passes through the fifth through hole 25 and penetrates out of the second connecting shaft 22, so that the electric wire 70 can be protected by the first connecting shaft 12 and the second connecting shaft 22, and meanwhile, the electric wire 70 is prevented from being wound or damaged outside the connecting shafts to further influence the use of the lock cylinder structure.

In the present embodiment, as shown in fig. 2 and 9, each of the first transmission module and the second transmission module includes a first reduction unit 54 connected to an output shaft of the driving motor and a second reduction unit 55 engaged with the first reduction unit 54, and a telescopic unit engaged with the second reduction unit 55 to drive the driving shaft module to move forward and backward. The drive shaft module includes a stud member connected to the telescopic unit and a stop member 58 connected between the stud member and the retaining sleeve.

In this embodiment, as shown in fig. 9, signal encryption modules are connected between the first fixing sleeve 52 and the first coupling portion 11, and between the second fixing sleeve 62 and the second coupling portion 21, a first fixing block 57 for fixing the signal encryption module is further connected to an outer side surface of the first fixing sleeve 52, and a second fixing block 67 for fixing the signal encryption module is further connected to an outer side surface of the second fixing sleeve 62. The design can make the security of this lock core structure better.

In this embodiment, as shown in fig. 1 and 2, the outer wall of the first coupling portion 11 is further provided with a first limiting groove 116, and the outer side surface of the first fixing sleeve 52 extends outwards to limit the first fixing element 56 connected in the first limiting groove 116; the outer wall of the second coupling shaft portion 21 is further provided with a second limiting groove 214, and the outer side surface of the second fixing sleeve 62 extends outwards to form a second fixing member 66 connected in the second limiting groove 214 in a limiting manner. The number of the first fixing members 56 and the number of the second fixing members 66 are preferably plural, and a plurality of the first fixing members 56 are uniformly arranged along the circumferential direction of the first fixing sleeve 52, and a plurality of the second fixing members 66 are uniformly arranged along the circumferential direction of the second fixing sleeve 62, so that the stability of the connection between the first driving unit 50 and the second driving unit 60 can be ensured.

In this embodiment, as shown in fig. 1 and 2, the slot 114(212) on the first shaft portion 11 is communicated with the first sliding slot 115, the first sliding slot 115 is communicated with the first limiting slot 116, and a first clamping pin 117 for preventing the first fixing member 56 from moving is further connected between the first sliding slot 115 and the first limiting slot 116; the first locking pin 117 is disposed to prevent the first fixing sleeve 52 from moving in the second through hole 14, thereby affecting the driving engagement between the first driving unit 50 and the first engaging unit 13.

The open slots 114(212), the first sliding slots 115 and the first limiting slots 116 are communicated, so that the processing difficulty can be reduced, and the whole structure is easier to form.

In this embodiment, as shown in fig. 1 and 2, the slot 114(212) of the second coupling portion 21 is communicated with the second sliding slot 213, the second sliding slot 213 is communicated with the second limiting slot 214, and a second engaging pin 215 for preventing the second fixing member 67 from moving is further connected between the second sliding slot 213 and the second limiting slot 214. The second snap pin 215 is also provided to prevent the second fixing sleeve 62 from moving in the fourth through hole 24, thereby affecting the driving engagement between the first driving unit 50 and the second engaging unit 23.

specifically, as shown in fig. 1 to 5, in the present embodiment, the first connecting shaft 12 and the second connecting shaft 22 have the same structure, the first connecting shaft 12 and the second connecting shaft 22 are both used for cooperating with a door handle to realize rotation, here, the first connecting shaft 12 and the second connecting shaft 22 are preferably square shafts, a plurality of adjusting holes 121 are respectively disposed on outer surfaces of the first connecting shaft 12 and the second connecting shaft 22, and a plurality of adjusting holes 121 are disposed along an axial direction of the first connecting shaft 12 and the second connecting shaft 22, and a clamping column for telescopic connection in the adjusting holes 121 is correspondingly disposed on the door handle. When the thickness of the door is changed, the clamping column can be adjusted to be clamped with the corresponding adjusting hole 121, and meanwhile, the universality of the lock cylinder structure on doors with different thicknesses is realized.

In this embodiment, the adjusting hole 121 is a circular hole, an elliptical hole or a polygonal hole recessed inward along the surface of the connecting shaft.

In the present embodiment, a plurality of the adjustment holes 121 are distributed on one face or a plurality of faces of the connecting shaft. Meanwhile, a plurality of the adjusting holes 121 are arranged side by side, and the distance between two adjacent adjusting holes 121 is the same.

Specifically, as shown in fig. 1 to 5, in this embodiment, an anti-detaching unit for preventing the lock cylinder structure from being damaged is further disposed at an end of the first connecting shaft 12 and/or the second connecting shaft 22, the anti-detaching unit includes a plurality of anti-detaching members 122, each anti-detaching member 122 includes a fixing portion 1221 connected to the connecting shaft and a reversing portion 1222 obliquely bent along the fixing portion 1221, and an oblique direction of the reversing portion 1222 faces the connecting shaft portion, so that the lock cylinder structure is prevented from being maliciously detached, and the safety of the lock is ensured.

In this embodiment, the number of the detachment prevention members 122 is plural, and the plural detachment prevention members 122 are uniformly distributed on the end of the connecting shaft in a ring shape; and the angle of inclination of the undercut 1222 is 30-60 deg.. This design makes the tamper evident member 122 more effective.

Specifically, in this embodiment, a lock is further provided, the lock includes the lock core structure and the door handle engaged with the lock core structure, and a fixing structure for connecting the main body 40, the main body 40 is further provided with a first through hole 42 for connecting the front axle assembly 10 and a second through hole 43 for connecting the rear axle assembly 20; still be equipped with first joint groove on the outer wall of the first antithetical couplet axial region 11 of this front axle subassembly 10, still be equipped with second joint groove on the outer wall of the second antithetical couplet axial region 21 of this rear axle subassembly 20, this first antithetical couplet axial region 11 passes through the third snap ring joint in this first joint inslot to realize the fixed connection of this front axle subassembly 10 on main part 40, this second antithetical couplet axial region 21 passes through the fourth snap ring joint in this second joint inslot, thereby realize the fixed connection of this rear axle subassembly 20 on main part 40.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a transmission structure of lock core which characterized in that: including front axle subassembly and rear axle subassembly to and the drive unit, be equipped with first cooperation unit in the front axle subassembly, be equipped with second cooperation unit in the rear axle subassembly, first cooperation unit includes first shaft section of thick bamboo, second cooperation unit includes the second shaft section of thick bamboo, the first shaft section of thick bamboo orientation the outside extension of one end of second shaft section of thick bamboo has a plurality of first cooperation bosss, the second shaft section of thick bamboo orientation the outside extension of one end of first shaft section of thick bamboo has a plurality of second cooperation bosss, the drive unit drive the first shaft section of thick bamboo orientation when the second shaft section of thick bamboo removes, arbitrary first cooperation boss limit connection is adjacent two between the second cooperation boss.

2. The transmission structure of a lock cylinder according to claim 1, characterized in that: the first matching units are uniformly distributed on the end part of the first shaft cylinder, and the second matching bosses are uniformly distributed on the end part of the second shaft cylinder.

3. The transmission structure of a lock cylinder according to claim 2, characterized in that: a plurality of first cooperation boss and a plurality of second cooperation boss all are ring shape and arrange, and adjacent two interval between the second cooperation boss is greater than or equal to the width of first cooperation boss.

4. The transmission structure of a lock cylinder according to any one of claims 1 to 3, characterized in that: a first riveting cap, a first riveting shaft movably matched with the first riveting cap and a first spring part elastically connected between the first riveting cap and the first riveting shaft are movably connected in the first shaft cylinder; a second riveting cap, a second riveting shaft movably matched with the second riveting cap and a second spring part elastically connected between the second riveting cap and the second riveting shaft are movably connected in the second shaft; and a third spring part is connected between the first riveting cap and the second riveting cap.

5. The transmission structure of a lock cylinder according to claim 4, characterized in that: the driving unit is divided into a first driving unit connected in the front shaft assembly and a second driving unit connected in the rear shaft assembly, the front end of the first driving unit abuts against the first riveting shaft, and the front end of the second driving unit abuts against the second riveting shaft.

6. The transmission structure of a lock cylinder according to claim 5, characterized in that: a first connecting hole is formed in the first shaft barrel, and the first riveting cap comprises a first abutting part abutting against the end part of the first connecting hole and a first inserting shaft extending towards the inside of the first connecting hole along the end face of the first abutting part; the first riveting shaft comprises a second abutting part which can be connected in the first connecting hole in a limiting and movable mode and a first inserting sleeve which extends towards the first inserting shaft along the end face of the second abutting part, the first inserting shaft can be movably inserted into the first inserting sleeve, and the first spring part is sleeved on the first inserting sleeve; the second contact portion is in contact with a front end of the first drive unit.

7. The transmission structure of a lock cylinder according to claim 6, characterized in that: a second connecting hole is formed in the second shaft, and the second riveting cap comprises a third abutting part abutting against the end part of the second connecting hole and a second inserting shaft extending towards the inside of the second connecting hole along the end face of the third abutting part; the second riveting shaft comprises a fourth abutting part which can be connected in the second connecting hole in a limiting and movable mode and a second inserting sleeve which extends towards the second inserting shaft along the end face of the fourth abutting part, the second inserting shaft can be movably inserted into the second inserting sleeve, and the second spring part is sleeved on the second inserting sleeve; the fourth contact portion is in contact with a front end of the second drive unit.

8. The transmission structure of a lock cylinder according to claim 7, characterized in that: a first annular groove which can limit the moving distance of the second abutting part is arranged in the first connecting hole, and the diameter of the first annular groove is larger than that of the first connecting hole; a second annular groove which can limit the moving distance of the fourth abutting part is arranged in the second connecting hole, and the diameter of the second annular groove is larger than that of the second connecting hole.

9. A lock core structure is characterized in that: transmission structure comprising a lock cylinder according to any of claims 1-8.

10. A lock, its characterized in that: comprising a lock cylinder arrangement according to claim 9.