CN214835495U - Electronic lock cylinder with compact clutch structure - Google Patents

Abstract

The utility model discloses to the problem of current electron lock core, provide an electron lock core of compact separation and reunion structure, constitute through the inside that changes clutch mechanism and make clutch mechanism more compact small and exquisite, can place inside the lock core in directly, improved the security of lock core, and only need instantaneous milliampere level electric current just can work, the overlength life of battery can be guaranteed to microampere level standby current. The motor shaft transmission spring and the sliding block transmission spring which are arranged in the clutch mechanism also have an energy storage function and a buffering function, so that the clutch mechanism can still be meshed or clutched even if the motor does not work continuously, and meanwhile, the clutch mechanism with the structure also has a fault-tolerant function, so that the electronic lock cylinder is more stable and reliable.

Description

Electronic lock cylinder with compact clutch structure

Technical Field

The utility model relates to a lock core field especially relates to an electronic lock core of compact separation and reunion structure.

Background

With the development of the security industry technology, the functions of the door lock are continuously improved and updated, with the development of the mobile internet, people pay more and more attention to the convenience and fashion performance of the door lock on the basis of reliability and safety, so that the electronic door lock is developed more and more, various electronic door locks appear, and the rapidness and the comfort are brought to the life of people.

Because the panel of lock can be big enough, the lock body also has very big space, people can design multiple mechanism and prevent accessories such as control module, separation and reunion module and battery, but to the lock core, the inner space is too narrow and small, it is difficult to place some necessary control mechanism to the lock core inside, so at present the lock core is mainly still mainly with mechanical lock core, even there are few electronic lock cores, also because the volume scheduling problem of separation and reunion structure and battery, the volume of the knob design in the outside is very big, influence the whole outward appearance effect of lock core installation, some installation occasions do not have enough space to hold bigger knob.

And the clutch mechanism of the existing electronic lock core does not have the fault-tolerant function, and the clutch mechanism can not realize the engagement and the clutch action under the condition that the motor does not work continuously, so the existing electronic lock core also has the problems of easy error, inconvenient use and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses problem to current electronic lock core, the electronic lock core of a compact separation and reunion structure is provided, make clutch mechanism compact more small and exquisite through the inside constitution that changes clutch mechanism, can place inside the lock core in directly, the security of lock core has been improved, and only need instantaneous milliampere level electric current just can work, microampere level standby current has guaranteed the overlength life of battery, the inside motor shaft drive spring and the slider drive spring that set up of clutch mechanism still have energy storage effect and cushioning effect, even still can realize clutch mechanism's meshing or separation and reunion action under the condition that the motor does not last work, clutch mechanism of this kind of structure still has fault-tolerant function simultaneously, make this electronic lock core more reliable and more stable.

In order to solve the technical problem, the utility model provides a pair of compact separation and reunion structure's electronic lock core, include the body subassembly, be located respectively the preceding knob subassembly and the back knob subassembly and the setting of body subassembly front end and rear end are in the inside pivot subassembly of body subassembly, its characterized in that: preceding knob subassembly is in including preceding knob shell, the setting of locating body subassembly front end keypad and setting in the preceding knob shell are in on the keypad and protrusion in the button of preceding knob shell, back knob subassembly is including the back knob shell of locating body subassembly rear end, set up back knob connecting axle and the battery in the knob shell of back, the body subassembly includes the body and the activity rotor of locating in the middle of the body, the pivot subassembly includes pivot, mainboard and clutching mechanism, the mainboard respectively with battery and keypad electricity are connected, the rotor respectively with back knob connecting axle and clutching mechanism transmission are connected.

Furthermore, the clutch mechanism comprises a motor arranged in the body and a clutch fixing seat sleeved on an output shaft of the motor, the clutch fixing seat is in transmission connection with the rotor, and the motor is electrically connected with the main board.

Further, clutching mechanism is still including locating slider and marble in the separation and reunion fixing base, it can hold to be provided with one on the separation and reunion fixing base the side opening of marble one end protrusion in the side opening and with the slider butt, correspond on the lateral wall of rotor the position department of marble is equipped with a recess, motor drive the slider is in reciprocating motion is done on the output shaft of motor, so that the one end card of marble is gone into in the recess.

Further, a motor shaft transmission spring and a slider transmission spring are sequentially sleeved on an output shaft of the motor, the motor shaft transmission spring rotates along with the output shaft of the motor in the radial direction, a first square groove is formed in the output shaft of the motor in the axial direction, the free end of the motor shaft transmission spring is arranged in the first square groove, the motor shaft transmission spring reciprocates in the axial direction along the output shaft of the motor in the first square groove, a second square groove is formed in the slider, the free end of the slider transmission spring is arranged in the second square groove, and the slider transmission spring reciprocates in the axial direction on the output shaft of the motor in a linear mode.

Furthermore, the front knob assembly further comprises a front knob handle fixed at the front end of the body through a screw, and the rear knob assembly further comprises a rear knob handle fixed at the rear end of the body through a screw.

Further, still be provided with the magnetic induction switch on the mainboard and with magnetic induction switch complex magnet, the mainboard is in when the body is inside to rotate, can judge the rotation angle of mainboard through the position of listening magnet.

Furthermore, the electronic lock cylinder of the compact clutch structure further comprises a slip ring assembly arranged in the rear knob connecting shaft, the battery is arranged in the rear knob connecting shaft, the slip ring assembly comprises a conductive column fixing seat sleeved in the rear knob connecting shaft and abutted against the rear knob connecting shaft, an insulating sleeve arranged in the conductive column fixing seat, a conductive column arranged in the conductive column fixing seat and a battery cover covering the outer side end of the rear knob connecting shaft, one end of the conductive column is abutted against the positive electrode of the battery, an anode brush is arranged at the other end of the conductive column, an elastic sheet abutted against the negative electrode of the battery is arranged on the inner side of the battery cover, a negative electrode brush is arranged on the conductive column fixing seat, and the mainboard is respectively electrically connected with the anode brush and the negative electrode brush.

Further, lead electrical pillar fixing base with be equipped with the anodal insulating piece of battery between the battery, lead electrical pillar with be equipped with between the electrical pillar fixing base and lead electrical pillar insulating cover.

Furthermore, still be equipped with user management module, bluetooth module, fingerprint module and USB interface on the mainboard.

Further, the key board is also provided with an LED, a buzzer and a switch.

The utility model discloses following beneficial effect has:

the utility model provides an electronic lock core of compact separation and reunion structure, problem to current electronic lock core, an electronic lock core of compact separation and reunion structure is provided, make clutch mechanism compacter through the inside constitution that changes clutch mechanism, and through at inside motor shaft drive spring and the slider drive spring of setting up of clutch mechanism, thereby make the structure of this electronic lock core compacter small and exquisite, and can also realize clutch mechanism's fault-tolerant function and energy storage function, make the function of this electronic lock core more stable.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:

fig. 1 is a schematic view of the overall structure of the electronic lock cylinder of the present invention;

FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic sectional view a of the clutch mechanism;

FIG. 4 is a schematic sectional view b of the clutch mechanism;

FIG. 5 is a schematic view of a spring structure;

FIG. 6 is a schematic view b of the spring structure;

fig. 7 is a schematic cross-sectional view of a slip ring assembly.

Wherein: 1. front knob assembly, 2, body assembly, 3, rotating shaft assembly, 4, rear knob assembly, 11, key, 12, key board, 13, front knob housing, 21, screw, 22, body, 23, rotor, 24, magnet, 31, USB interface, 32, motherboard, 33, rotating shaft, 34, clutch mechanism, 35, magnetic induction switch, 41, rear knob housing, 42, battery, 43, slip ring assembly, 44, rear knob connecting shaft, 341, motor, 342, motor shaft transmission spring, 343, clutch fixing base, 344, slider, 345, ball, 346, slider transmission spring, 347, first square groove, 348, second square groove, 431, brush fixing base, 432, positive brush, 433, conductive column fixing base, 434, battery positive pole insulation sheet, 435, conductive column, 436, brush insulation sleeve, 437, negative pole, 438, and spring sheet.

Detailed Description

In order to fully understand the technical contents of the present invention, the present invention will be further described and explained with reference to the accompanying drawings and specific embodiments; it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", and the like, do not refer to the orientation or positional relationship shown in the drawings, but merely serve to facilitate the description of the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-2, an electronic lock core with compact clutch structure comprises a body assembly 2, a front knob assembly 1 and a rear knob assembly 4 respectively located at the front end and the rear end of the body assembly 2, and a rotary shaft assembly 3 arranged inside the body assembly 2, wherein the front knob assembly 1 comprises a front knob housing 13 arranged at the front end of the body assembly 2, a key board 12 arranged in the front knob housing 13, and keys 11 arranged on the key board 12 and protruding out of the front knob housing 13, the rear knob assembly 4 comprises a rear knob housing 41 arranged at the rear end of the body assembly 2, a rear knob connecting shaft 44 arranged in the rear knob housing 41, and a battery 42, the body assembly 2 comprises a body 22 and a rotor 23 movably arranged in the middle of the body 22, the rotary shaft assembly 3 comprises a rotary shaft 33, a main board 32 and a clutch mechanism 34, the main board 32 is electrically connected with the battery 42 and the key board 12 respectively, the rotor 23 is respectively connected with the rear knob connecting shaft 44 and the clutch mechanism 34 in a transmission way, the main board 32 receives an input instruction of the key board 12, after a correct password is input into the key board 12, the main board 32 controls the clutch mechanism 34 to be disengaged or engaged, after the clutch mechanism 34 is engaged, the rotor 23 and the rotating shaft 33 are linked to realize an unlocking function, after the clutch mechanism 34 is disengaged, the rotor 23 and the rotating shaft 33 are disengaged to realize a locking function, and the function of opening and closing a door is realized by controlling the rotation of the rotor 23.

As shown in fig. 3-4, the clutch mechanism 34 includes a motor 341 disposed in the main body 22, and a clutch fixing seat 343 sleeved on an output shaft of the motor 341, the clutch fixing seat 343 is in transmission connection with the rotor 23, the motor 341 is electrically connected with the main board 32, and after the main board 32 sends an unlocking or locking instruction, the motor 341 electrically connected with the main board 32 rotates to drive the clutch mechanism 34 to engage or disengage.

Specifically, clutching mechanism 34 is still including locating slider 344 and marble 345 in clutch fixing base 343, clutch fixing base 343 is last to be provided with one and to hold the side opening of marble 345, the one end protrusion of marble 345 in the side opening and with slider 344 butt, it is equipped with a recess to correspond on the lateral wall of rotor 23 the position department of marble 345, motor 341 drive the slider is in reciprocating motion on the output shaft of motor, so that the one end of marble 345 is gone into in the recess. When the lock is unlocked, the motor 341 rotates clockwise to drive the sliding block 344 to move towards the right, the inclined surface of the sliding block 344 ejects the marble 345 outwards in the process that the sliding block 344 moves towards the right, when the sliding block 344 moves to the rightmost side, the contact part of the sliding block 344 and the marble 345 becomes a plane, after the marble 345 slides to the groove in the rotor 23, the clutch fixing seat 343 and the rotor 23 are linked, and the clutch fixing seat 343 is fixed on the rotating shaft 33, so that the rotating shaft 33 and the rotor 23 are linked to realize the unlocking function; when the lock is locked, the motor 341 rotates counterclockwise to drive the sliding block 344 to move towards the left side, when the sliding block 344 moves to the leftmost side, the contact part of the sliding block 344 and the marble 345 becomes an inclined plane, at this time, if the rotor 23 rotates under the external force, because the inside is not supported by the sliding block 344, the marble 345 can slide into the clutch fixing seat 343, at this time, the clutch fixing seat 343 and the rotor 23 are separated, and the clutch fixing seat 343 is fixed on the rotating shaft 33, so that the rotating shaft 33 and the rotor 23 are separated, and the locking function is realized.

As shown in fig. 5-6, a motor shaft transmission spring 342 and a slider transmission spring 346 are sequentially sleeved on an output shaft of the motor 341, the motor shaft transmission spring 342 rotates radially along with the output shaft of the motor 341, a first square groove 347 is axially arranged on the output shaft of the motor 341, two free ends of the motor shaft transmission spring 342 are both arranged in the first square groove 347, the motor shaft transmission spring 342 reciprocates axially along the output shaft of the motor 341 in the first square groove 347, a second square groove 348 is arranged on the slider 344, two free ends of the slider transmission spring 346 are both arranged in the second square groove 348, and the slider transmission spring 346 reciprocates axially and linearly on the output shaft of the motor 341. When the lock is unlocked, the motor 341 rotates clockwise to drive the motor shaft transmission spring 342 to rotate together, at the moment, the spiral line of the motor shaft transmission spring 342 can be screwed into the right side of the sliding block transmission spring 346, thereby moving the motor shaft transmission spring 342 leftward until the spiral line of the motor shaft transmission spring 342 is screwed into the left side of the slider transmission spring 346 and the motor shaft transmission spring 342 is stopped by the first square groove 347, because of the position limitation of the first square groove 347, and the spring force, the motor shaft transmission spring 342 does not move continuously, at this point, continued rotation of the motor shaft drive spring 342 pushes the slider drive spring 346 to the right, thereby moving the slider 344 to the right, and, when the slider 344 is moved to the far right, if the motor 341 continues to rotate, at this time because the motor shaft transmission spring 342 has already completely rotated to the left of the slider transmission spring 346, the motor will drive the motor shaft transmission spring 342 to idle; when locking, the motor 341 rotates counterclockwise to drive the motor shaft transmission spring 342 to rotate together, at this time, the spiral line of the motor shaft transmission spring 342 will screw into the left side of the slider transmission spring 346, so that the motor shaft transmission spring 342 moves rightward, until the spiral line of the motor shaft transmission spring 342 screws into the right side of the slider transmission spring 346 and the motor shaft transmission spring 342 is stopped by the first square groove 347, because of the position limitation of the first square groove 347 and the reason of the spring force, the motor shaft transmission spring 342 will not move continuously, at this time, the motor shaft transmission spring 342 continues to rotate to push the slider transmission spring 346 to the left side to drive the slider 344 to move to the left side, when the slider 344 moves to the leftmost side, if the motor 341 continues to rotate, at this time, because the motor shaft transmission spring 342 has already rotated to the right side of the slider transmission spring 346 completely, at this time, the motor will drive the motor shaft transmission spring 342 to idle, the clutch mechanism 34 with such a structure has a fault-tolerant function, and has no precise requirement on the rotating speed and the rotating time of the motor.

Under special circumstances, after the main board 32 sends an unlocking instruction, if the groove of the rotor 23 is not located at the position corresponding to the marble 345, the marble 345 cannot slide outwards, and the slide block 344 also cannot move to the right, so that energy can be stored by the elastic force of the spring, the energy of the motor 341 can be stored in the elastic potential energy of the spring, and after the subsequent rotor 23 rotates to the correct position, the elastic force of the spring pushes the slide block 344 to the right, thereby realizing the engagement of the clutch mechanism 34; in another special case, after the main board 32 sends a locking command, the rotor 23 is acted by external force, and pressure is applied to the slider 344 through the ball 345, the slider 344 cannot move to the left, so that energy can be stored by the elastic force of the spring, the energy of the motor can be stored in the elastic potential energy of the spring, after the external force is released, the slider is pushed to the left by the elastic force of the spring, and thus the clutch is realized, the motor shaft transmission spring 342 and the slider transmission spring 346 have the energy storage function and the buffering function, and the meshing or the clutch action of the clutch mechanism 34 can be still realized even under the condition that the motor does not continuously work.

Concretely, preceding knob subassembly 1 still includes the preceding knob handle that is fixed in the body 22 front end through screw 21, and back knob subassembly 4 still includes the back knob handle that is fixed in the body 22 rear end through screw 21, and after clutching mechanism 34 meshing, can rotate preceding knob handle or back knob handle and control the rotor of lock core to can realize the function of switch door, make the more convenient of switch door.

Specifically, still be provided with magnetic induction switch 35 on the mainboard 32 and with magnetic induction switch 35 complex magnet 24, magnet 24 can sense magnetic induction switch 35, and magnetic induction switch 35 is used for detecting the position of pivot 33 and feeds back mainboard 32 to can detect lock core pivoted position.

As shown in fig. 7, the electronic lock core with compact clutch structure further includes a slip ring assembly 43 disposed in the rear knob connecting shaft 44, the battery 42 is disposed in the rear knob connecting shaft 44, the slip ring assembly 43 includes a conductive post fixing base 433 sleeved in and abutting against the rear knob connecting shaft 44, a conductive post 435 sleeved in the conductive post fixing base 433 in an insulating manner, and a battery cover covering the outer end of the rear knob connecting shaft 44, one end of the conductive post 435 abuts against the positive electrode of the battery 42, the other end of the conductive post 435 is provided with a positive electrode brush 432, the inner side of the battery cover is provided with a spring tab 438 abutting against the negative electrode of the battery 42, the spring tab and the rear knob connecting shaft 44 are connected with the conductive post fixing base 433, the conductive post fixing base 433 is provided with a negative electrode brush 437, the main board 32 is electrically connected with the positive electrode brush 432 and the negative electrode brush 437, respectively, when the positive electrode brush 432 rotates around the conductive post 435, the positive electrode brush 432 and the negative electrode brush 437 can continuously receive power from the battery, the positive brush 432 and the negative brush 437 are connected to the main board, so that the main board and the rear knob assembly are not synchronous, continuous current can be provided, the battery 42 is a small-sized high-density lithium manganese battery, and the appearance size can be ensured while the service life is very long.

Specifically, a battery anode insulating sheet 434 is arranged between the conductive column fixing seat 433 and the battery 42, so that a short circuit caused by the fact that the anode of the battery 42 contacts the rear knob connecting shaft 44 can be prevented, the battery anode insulating sheet 434 has a function of preventing the battery from being reversely installed, after the battery 42 is reversely installed, the cathode of the battery 42 does not contact the conductive column 435, the whole circuit is not electrified, and a conductive column insulating sleeve 436 is arranged between the conductive column 435 and the conductive column fixing seat 433.

Specifically, still be equipped with user management module, bluetooth module, fingerprint module and USB interface 31 on the mainboard 32, can unblank through the cell-phone is wireless, also can share the password and give friend, USB interface 31 can realize getting the electricity through portable power source under the battery power level crosses lowly and does not change the battery.

Specifically, still be provided with LED, bee calling organ and switch on the keypad 12, when the password of unblanking is input, LED and bee calling organ can respond suggestion operating condition, and front side rotating assembly still is provided with waterproof rubber ring, can prevent effectively that rainwater, dust etc. from getting into inside the lock core.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for general and skilled persons in the art, according to the embodiments of the present invention, there may be changes in the specific implementation manners and application ranges, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. The utility model provides an electron lock core of compact separation and reunion structure, includes the body subassembly, is located respectively preceding knob subassembly and the back knob subassembly of body subassembly front end and rear end and setting are in the inside pivot subassembly of body subassembly, its characterized in that: preceding knob subassembly is in including preceding knob shell, the setting of locating body subassembly front end keypad and setting in the preceding knob shell are in on the keypad and protrusion in the button of preceding knob shell, back knob subassembly is including the back knob shell of locating body subassembly rear end, set up back knob connecting axle and the battery in the knob shell of back, the body subassembly includes the body and the activity rotor of locating in the middle of the body, the pivot subassembly includes pivot, mainboard and clutching mechanism, the mainboard respectively with battery and keypad electricity are connected, the rotor respectively with back knob connecting axle and clutching mechanism transmission are connected.

2. The electronic lock cylinder of compact clutching structure of claim 1, wherein: clutch mechanism is including locating motor and suit in this body are in the epaxial separation and reunion fixing base of output of motor, separation and reunion fixing base with the rotor transmission is connected, the motor with the mainboard electricity is connected.

3. The electronic lock cylinder of compact clutching structure of claim 2, wherein: clutching mechanism is still including locating slider and marble in the separation and reunion fixing base, be provided with one on the separation and reunion fixing base and hold the side opening of marble the one end protrusion of marble in the side opening and with the slider butt, correspond on the lateral wall of rotor the position department of marble is equipped with a recess, motor drive the slider is in reciprocating motion is done on the output shaft of motor, so that the one end card of marble is gone into in the recess.

4. The electronic lock cylinder of compact clutching structure of claim 3, wherein: the motor is characterized in that a motor shaft transmission spring and a slider transmission spring are sequentially sleeved on an output shaft of the motor, the motor shaft transmission spring rotates along with the output shaft of the motor in a radial direction, a first square groove is formed in the output shaft of the motor in the axial direction, the free end of the motor shaft transmission spring is arranged in the first square groove, the motor shaft transmission spring moves in the axial direction in a reciprocating manner along the output shaft of the motor in the first square groove, a second square groove is formed in the slider, the free end of the slider transmission spring is arranged in the second square groove, and the slider transmission spring moves in a reciprocating manner along the output shaft of the motor in an axial straight line manner.

5. The electronic lock cylinder of compact clutching structure of claim 4, wherein: the front knob assembly further comprises a front knob handle fixed to the front end of the body through screws, and the rear knob assembly further comprises a rear knob handle fixed to the rear end of the body through screws.

6. The electronic lock cylinder of compact clutching structure of claim 5, wherein: still be provided with the magnetic induction switch on the mainboard and with magnetic induction switch complex magnet, the mainboard is in when the body is inside to be rotated, can judge the rotation angle of mainboard through the position of listening magnet.

7. The electronic lock cylinder of compact clutching structure of claim 6, wherein: the battery comprises a rear knob connecting shaft, a battery and a slip ring assembly, wherein the battery is arranged in the rear knob connecting shaft, the slip ring assembly comprises a conductive column fixing seat, an insulating sleeve and a battery cover, the conductive column fixing seat is sleeved in the rear knob connecting shaft and abutted against the conductive column fixing seat, the insulating sleeve is arranged in the conductive column fixing seat, the conductive column fixing seat is covered on the battery cover, the outer side end of the rear knob connecting shaft is covered with the battery cover, one end of the conductive column is abutted against the positive pole of the battery, the other end of the conductive column is provided with a positive pole electric brush, the inner side of the battery cover is provided with an elastic sheet abutted against the negative pole of the battery, the conductive column fixing seat is provided with a negative pole electric brush, and the mainboard is respectively electrically connected with the positive pole electric brush and the negative pole electric brush.

8. The electronic lock cylinder of compact clutching structure of claim 7, wherein: lead electrical pillar fixing base with be equipped with the anodal insulating piece of battery between the battery, lead electrical pillar with it leads electrical pillar insulating cover to be equipped with between the electrical pillar fixing base.

9. The electronic lock cylinder of compact clutching structure of any one of claims 1-8, wherein: the mainboard is also provided with a user management module, a Bluetooth module, a fingerprint module and a USB interface.

10. The electronic lock cylinder of compact clutching structure of claim 9, wherein: and the key board is also provided with an LED, a buzzer and a switch.

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