CN220365423U - Electronic lock core capable of being unlocked by mechanical key and lockset - Google Patents

Abstract

When the electronic key is unlocked, the electronic key can drive the cup body and the unlocking shifting head to rotate for unlocking, when the electronic key is in a locked state, the inner marble part is accommodated in the marble through hole to limit the rotation of the rotating sleeve, and when the mechanical key is unlocked, the outer marble is extruded by the mechanical key to enable the lower end face of all the inner marbles to be correspondingly allowed to rotate with the upper end face of the rotating sleeve, so that a user can rotate the mechanical key to enable the rotating sleeve and the shell to rotate, and the driving protrusion is extruded by the driving protrusion to drive the unlocking shifting head to rotate.

Description

Electronic lock cylinders and locks that can be unlocked by mechanical keys

Technical field

The present invention relates to the field of locks, specifically an electronic lock core that can be unlocked by a mechanical key and a lock.

Background technique

The Chinese patent application number 96215192.0 discloses an axial end pin pin structure door lock head. The lock head consists of an outer pin pin, an inner pin pin, a pin pin spring, a lock head shell, a cotter pin, a toggle plate, a lock core, a positioning pin, and a pin pin holder. It consists of a sleeve-shaped key composed of a key handle and a key head. The outer pins, inner pins and pin springs are evenly distributed on the lock core and the end face of the pin holder is arranged in a ring shape. There are circles milled on the corresponding positions of the key head. Arc groove, there is a shell keyway on the lock head shell, and a core keyway (positioning groove) on the lock core. The key is correspondingly equipped with an upper key and a lower key (positioning protrusion). The difference number a of the pins outside the lock head is 5-6, the step difference value is 0.4-0.6, the number of pinholes b can be 7 or 8 holes, the arc grooves (12) on the key head are also set to 7 or 8 correspondingly, and the directional keyway group is 1 group to 3 groups.

The Chinese patent application number 2020208939095 discloses an intelligent mechanical double verification lock cylinder and a lockset. The intelligent mechanical double verification lock cylinder includes a mechanical lock cylinder and an electronic lock cylinder. The mechanical lock cylinder is equipped with a rotating column into which a key can be inserted. The pin or blade engages the lock body to achieve locking. The electronic lock core is provided with a motor and a cam arranged at the motor output shaft. The key is provided with a channel that can be inserted into the mechanical lock core to release the pin or blade from the lock. The insertion part of the lock body is locked; the key is also provided with an unlocking control circuit, and the key is also provided with a key connection contact electrically connected to the unlocking control circuit; the rotating column is provided with a contact with the motor at the key socket. The control circuit is electrically connected to the lock core electrical connection contact; the key connection contact is used to be electrically connected to the lock core electrical connection contact. The key of the present invention can simultaneously unlock the mechanical lock cylinder and the electronic lock cylinder of the intelligent mechanical double verification lock cylinder.

Chinese patent application number 201621106382.7 discloses an electronic lock cylinder, including an unlocking cap (unlocking dial), a fitting cover, a hard ball, a pushing part, and a motor; the unlocking cap is set outside the fitting cover, and the fitting cover is set Outside the pushing part, the fitting cover is connected and fixed to the motor, the inner surface of the unlocking cap is provided with a blind hole corresponding to the position of the hard ball, and the fitting cover is provided with a through hole corresponding to the position of the hard ball. The pushing part is driven by the motor. When the motor is working, the pushing part pushes the hard ball. A part of the hard ball is accommodated in the blind hole, and the other part of the hard ball is accommodated in the through hole. inside; when the motor is not working, the hard ball is completely located within the outer circumferential surface of the matching cover, and the matching cover can rotate within the unlocking cap. The pushing part may be a cam connected and fixed to the rotor of the motor. The motor stator is also connected and fixed with a cam limiting part. The cam has a protruding extrusion part and a recessed part that accommodates part of the hard ball. The cam It also has a fitting part that cooperates with the cam limiting part so that the cam can only rotate within a certain angle range. The hard balls are steel balls.

In the existing technology, passive locks cannot be unlocked using mechanical keys.

Contents of the invention

The object of the present invention is to provide a new type of electronic lock cylinder that can be unlocked by a mechanical key.

In order to achieve the above object, the present invention provides an electronic lock core that can be unlocked by a mechanical key, including: a cup body with a key socket housed in a housing, and an unlocking dial. The cup body is rotationally connected to the housing. When the electronic key is unlocked, the electronic key can drive the cup body and the unlocking dial to rotate and unlock. The electronic lock cylinder that can be unlocked by the mechanical key also includes a fixed ring located under the cup body, and a locking ring located under the cup body. A rotating sleeve that drives the housing to rotate, and an annular fixed plate located below the rotating sleeve. The annular fixed plate is provided with a connecting rod that is connected and fixed with the fixed ring. The fixed ring, the rotating sleeve, and the annular fixed plate are The fixed plates are respectively provided with key through holes corresponding to the key sockets, the housing is provided with a driving protrusion extending upward, the unlocking dial is provided with a matching protrusion that matches the driving protrusion; the end surface of the rotating sleeve There are a plurality of pin through holes for accommodating outer pins. The lower end surface of the fixed ring is provided with a plurality of pin blind holes for accommodating inner pins corresponding to the pin through holes. The inner pins are connected to the pin blind holes. There is a pin spring between the bottoms, and the annular fixed plate blocks part of the outer pins. In the locked state, the inner pins are partially accommodated in the pin through holes to limit the rotation of the rotating sleeve. When the mechanical key is unlocked, the The outer pins are squeezed by the mechanical key so that the lower end surface of all the inner pins corresponds to the upper end surface of the rotating sleeve, allowing the rotating sleeve to rotate. The user can rotate the mechanical key to make the rotating sleeve and the housing Rotation causes the driving protrusion to squeeze the matching protrusion to drive the unlocking dial to rotate.

In one embodiment of the present invention, it also includes a fitting cover, a hard ball, a pushing part, and a motor contained in the housing; the unlocking dial is set outside the fitting cover, and the fitting cover is set outside the pushing part , the matching cover is connected and fixed to the motor, the inner surface of the unlocking dial is provided with a blind hole or a groove corresponding to the position of the hard ball, and the matching cover is provided with a through hole corresponding to the position of the hard ball, The pushing part is driven by the motor. When the motor is working, the pushing part pushes the hard ball. A part of the hard ball is accommodated in the blind hole or groove, and the other part of the hard ball is accommodated in the blind hole or groove. In the through hole; when the motor is not working, the hard ball is completely located in the outer peripheral surface of the matching cover, and the matching cover can rotate in the unlocking dial.

In one embodiment of the present invention, the pushing part is a cam connected to a fixed rotor of the motor, and the hard balls are steel balls.

In one embodiment of the present invention, the bottom surface of the cup body is provided with a first electrical connection point and a second electrical connection point that are electrically connected to the motor in cooperation with the electronic key.

In one embodiment of the present invention, the motor is electrically connected to a verification module. The verification module is used to compare the received unlocking information with the setting information. If the verification is passed, the motor will work to rotate the cam to the unlocking position. Location.

In one embodiment of the present invention, the annular fixed plate is provided with a tubular portion that is sleeved outside the rotating sleeve, and the tubular portion is provided with a connecting blind hole.

In one embodiment of the present invention, a limiting groove is formed on the outer peripheral surface of the unlocking dial, and the limiting groove is used to cooperate with the limiting portion of the lock body to limit the rotation angle of the unlocking dial.

In one embodiment of the present invention, there are multiple connecting rods, the rotating sleeve is provided with a transmission plate that can rotate between the connecting rods, the transmission plate is provided with a transmission recess, and the housing is provided with a transmission recess. The transmission projection is inserted into the transmission recess.

In one embodiment of the present invention, the connecting rod and the fixing ring are connected and fixed by pins or screws.

The present invention also provides a lock, including any one of the above electronic lock cylinders that can be unlocked by a mechanical key.

In the present invention, when the electronic key is unlocked, the electronic key can drive the cup body and the unlocking dial to rotate and unlock. In the locked state, the inner pin is partially accommodated in the pin through hole to limit the rotation of the rotating sleeve. When the mechanical key is unlocked, the outer pins are squeezed by the mechanical key so that the lower end surface of all the inner pins corresponds to the upper end surface of the rotating sleeve, allowing the rotating sleeve to rotate. The user can rotate the mechanical key to make the rotation The rotation of the sleeve and the housing causes the driving protrusion to squeeze the matching protrusion to drive the unlocking dial to rotate.

Description of the drawings

Figure 1 is a structural diagram of a padlock with an electronic lock cylinder that can be unlocked by a mechanical key according to the first embodiment of the present invention.

FIG. 2 is an exploded view of the padlock of FIG. 1 .

FIG. 3 is a schematic structural diagram of the hidden lock body of the padlock of FIG. 1 .

Figure 4 is an exploded view of the electronic lock cylinder of Figure 2 that can be unlocked by a mechanical key.

FIG. 5 is a cross-sectional view of the outer spring of the electronic lock cylinder of FIG. 4 that can be unlocked by a mechanical key.

FIG. 6 is a cross-sectional view of the hard ball of the electronic lock cylinder of FIG. 4 that can be unlocked by a mechanical key.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figures 1-6. A padlock with an electronic lock cylinder 1 that can be unlocked by a mechanical key 200 according to the first embodiment of the present invention includes an electronic key 100, a mechanical key 200, an electronic lock cylinder 1 that can be unlocked by a mechanical key, and Lock body 300, lock tongue 400, lock beam 500. The housing 11 is rotatably connected to the lock body 300 .

The electronic lock core 1 that can be unlocked by a mechanical key includes: a cup body 12 with a key socket housed in the housing 11, and an unlocking dial 13. The cup body 12 is rotationally connected to the housing 11. When the electronic key 100 is unlocked, The electronic key 100 can drive the cup body 12 and the unlocking dial 13 to rotate and unlock. The electronic lock cylinder 1 that can be unlocked by the mechanical key 200 and can be unlocked by the mechanical key also includes a fixed ring 14 located below the cup body 12, and a user located below the cup body 12. The rotating sleeve 15 rotates in the drive housing 11 and the annular fixed plate 16 located below the rotating sleeve 15. The annular fixed plate 16 is provided with a connecting rod 161 connected and fixed with the fixed ring 14. The fixed ring 14, the rotating sleeve 15 and the annular fixed plate 16 are respectively provided with key through holes 210 corresponding to the key sockets, the housing 11 is provided with a driving protrusion 111 extending upward, the unlocking dial 13 is provided with a matching protrusion 131 that cooperates with the driving protrusion 111; the end surface of the rotating sleeve 15 is provided with There are a plurality of pin through holes 210150 for accommodating the outer pins 171. The lower end surface of the fixed ring 14 is provided with a plurality of pin blind holes 140 corresponding to the pin through holes 210150 for accommodating the inner pins 172. The inner pins 172 and pin blind holes 140 are There is a pin spring 173 between the bottoms, and the annular fixed plate 16 blocks part of the outer pins 171. In the locked state, the inner pins 172 are partially accommodated in the pin through holes 210150 to limit the rotation of the rotating sleeve 15. When the mechanical key 200 is unlocked, the outer pins 171 are The mechanical key 200 is squeezed to make all the lower end surfaces of the inner pins 172 correspond to the upper end surfaces of the rotating sleeve 15, allowing the rotating sleeve 15 to rotate. The user can rotate the mechanical key 200 to rotate the rotating sleeve 15 and the housing 11 to squeeze the driving protrusion 111. Cooperating with the protrusion 131, the unlocking dial 13 is driven to rotate.

The electronic lock core 1 that can be unlocked by a mechanical key like the existing technology also includes a matching cover 21, a hard ball 22, a pushing part 23, and a motor 24 contained in the housing 11; the unlocking dial 13 is set outside the matching cover 21, and the matching cover 21 is set outside the pushing part 23, and the matching cover 21 is connected and fixed with the motor 24. The inner surface of the unlocking dial 13 is provided with a blind hole or groove 130 corresponding to the position of the hard ball 22, and the matching cover 21 is provided with a through hole corresponding to the position of the hard ball 22. hole 210, the pushing part 23 is driven by the motor 24. When the motor 24 is working, the pushing part 23 pushes the hard ball 22, a part of the hard ball 22 is accommodated in the blind hole or groove 130, and the other part of the hard ball 22 is accommodated in the through hole 210; when When the motor 24 is not working, the hard ball 22 is completely located in the outer peripheral surface of the matching cover 21, and the matching cover 21 can rotate in the unlocking dial 13.

The pushing part 23 is a cam connected to the rotor of the motor 24 and the hard ball 22 is a steel ball.

The bottom surface of the cup body 12 is provided with a first electrical connection point 121 and a second electrical connection point 122 that are adapted to the electronic key 100 and are electrically connected to the motor 24 .

The motor 24 is electrically connected to a verification module. The verification module is used to compare the received unlocking information with the set information. If the verification is passed, the motor 24 will work to rotate the cam to the unlocking position.

The annular fixed plate 16 is provided with a tubular portion 162 that is sleeved outside the rotating sleeve 15 , and the tubular portion 162 is provided with a connecting blind hole 160 . The tubular portion 162 is connected to the lock body 300 through the pin 301 to fix the unlocking dial 13. A limiting groove 13a is formed on the outer peripheral surface of the unlocking dial 13. The limiting groove 13a is used to cooperate with the limiting portion 302 of the lock body 300 to limit the rotation angle of the unlocking dial 13. .

There are multiple connecting rods 161. The rotating sleeve 15 is provided with a transmission plate 151 that can rotate between the connecting rods 161. The transmission plate 151 is provided with a transmission recess 15b. The housing 11 is provided with a transmission protrusion 11c inserted into the transmission recess 15b. .

The connecting rod 161 and the fixing ring 14 are connected and fixed by pins or screws 18 .

The present invention also provides a lock, including any one of the above electronic lock cores 1 that can be unlocked by a mechanical key 200 and can be unlocked by a mechanical key.

In the present invention, when the electronic key 100 is unlocked, the electronic key 100 can drive the cup body 12 and the unlocking dial 13 to rotate and unlock. In the locked state, the inner marble 172 is partially accommodated in the marble through hole 210150 to limit the rotation of the rotating sleeve 15, and the mechanical When the key 200 is unlocked, the outer pins 171 are squeezed by the mechanical key 200 so that the lower end surfaces of all the inner pins 172 correspond to the upper end surfaces of the rotating sleeve 15, allowing the rotating sleeve 15 to rotate. The user can rotate the mechanical key 200 to make the rotating sleeve 15 and the shell 11 rotates to cause the driving protrusion 111 to squeeze and fit the protrusion 131 to drive the unlocking dial 13 to rotate.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. An electronic lock cylinder that is openable by a mechanical key, comprising: the electronic lock cylinder capable of being unlocked by the mechanical key further comprises a fixed ring positioned below the cup, a rotating sleeve positioned below the cup and used for driving the shell to rotate, and an annular fixed plate positioned below the rotating sleeve, wherein the annular fixed plate is provided with a connecting rod fixedly connected with the fixed ring, the rotating sleeve and the annular fixed plate are respectively provided with a key through hole corresponding to the key socket, the shell is provided with a driving protrusion extending upwards, and the unlocking dial is provided with a matching protrusion matched with the driving protrusion; the end face of the rotating sleeve is provided with a plurality of marble through holes for accommodating outer marble, the lower end face of the fixed ring is provided with a plurality of marble blind holes which correspond to the marble through holes and accommodate inner marble, a marble spring is arranged between the inner marble and the bottoms of the marble blind holes, the annular fixed plate blocks part of the outer marble, when in a locking state, the inner marble is accommodated in the marble through holes to limit the rotation of the rotating sleeve, when a mechanical key is unlocked, the outer marble is extruded by the mechanical key to enable the lower end face of the inner marble to correspond to the upper end face of the rotating sleeve to allow the rotation of the rotating sleeve, and a user can rotate the mechanical key to enable the rotating sleeve and the shell to rotate to enable the driving protrusion to extrude the matching protrusion to drive the unlocking poking head to rotate.

2. The electronic lock cylinder of claim 1, further comprising a mating cover, a hard ball, a pusher, a motor housed within the housing; the unlocking poking head is sleeved outside the matching cover, the matching cover is sleeved outside the pushing part, the matching cover is fixedly connected with the motor, a blind hole or a groove corresponding to the hard ball is formed in the inner surface of the unlocking poking head, a through hole corresponding to the hard ball is formed in the matching cover, the pushing part is driven by the motor, when the motor works, the pushing part pushes the hard ball, one part of the hard ball is accommodated in the blind hole or the groove, and the other part of the hard ball is accommodated in the through hole; when the motor does not work, the hard ball is completely positioned in the peripheral surface of the matched cover, and the matched cover can rotate in the unlocking shifting head.

3. The electronic lock cylinder unlocked by a mechanical key according to claim 2, wherein the pushing part is a cam connected and fixed to a rotor of the motor, and the hard ball is a steel ball.

4. An electronic lock cylinder capable of being unlocked by a mechanical key according to claim 3, wherein the bottom surface of the cup body is provided with a first electric connection point and a second electric connection point which are matched with the electronic key and are electrically connected with the motor.

5. The electronic lock cylinder of claim 4, wherein the motor is electrically connected to a verification module for comparing the received unlocking information with the setting information, and wherein the motor is operable to rotate the cam to the unlocking position upon verification.

6. The electronic lock cylinder unlocked by a mechanical key according to claim 5, wherein the annular fixing plate is provided with a tubular portion sleeved outside the rotating sleeve, and the tubular portion is provided with a connecting blind hole.

7. The electronic lock cylinder capable of being unlocked by a mechanical key according to claim 6, wherein a limiting groove is formed in the outer circumferential surface of the unlocking dial, and the limiting groove is used for limiting the rotation angle of the unlocking dial in a matching manner with a limiting part of the lock body.

8. The electronic lock cylinder unlocked by a mechanical key according to claim 7, wherein the number of the connecting rods is plural, the rotating sleeve is provided with a transmission plate rotatable between the connecting rods, the transmission plate is provided with a transmission recess, and the housing is provided with a transmission protrusion inserted into the transmission recess.

9. The electronic lock cylinder that can be unlocked by a mechanical key according to claim 8, characterized in that the connecting rod is fixed to the fixing ring by means of a pin or screw connection.

10. A lock comprising an electronic lock cylinder according to any one of claims 1-9 that is unlocked by a mechanical key.