CN219509429U - Electronic coded lock with double unlocking functions - Google Patents

Abstract

The electronic coded lock comprises a lock core and a lock shell locking mechanism, wherein the lock core comprises a lock liner and a lock shell arranged on the outer side of the lock liner, a key jack is arranged at the upper end of the lock liner, and the lock liner can rotate relative to the lock shell when a key is inserted into the lock liner; the outer side of the lock shell is provided with an outer shell, the lock shell is in running fit with the outer shell, and the upper ends of the lock shell and the lock liner extend out of the outer shell; the lower ends of the outer shell and the lock shell are provided with through holes, and the lower end of the lock liner is connected with the lock hook through the through holes; the lock shell locking mechanism is arranged in the outer shell; according to the electronic coded lock capable of being unlocked in double mode, the key and the password are used for unlocking in double mode, when the password is used for unlocking, after the lock hook is unlocked through the password, the lock core part at the outer end of the shell body can be used as a knob, unlocking or unlocking can be carried out through rotation of the knob, and the unlocking mode is novel and convenient to use.

Description

Electronic coded lock with double unlocking functions

Technical Field

The utility model relates to the technical field of locks, in particular to a double-unlocking electronic coded lock.

Background

The lock can well protect the property safety and personal safety of modern people, and the traditional lock comprises a lock body, a lock cylinder and a key, wherein the key is inserted into the lock cylinder to be in mutual interference fit with the blades in the lock cylinder, so that the lock cylinder can rotate in the lock body to unlock. However, the user needs to carry the key with him, and the user is inconvenient and forgets or loses the key, so the lock with the function of double unlocking by the password and the key is generated, but after the lock is unlocked by the password, the lock is opened to separate from the locked object, and the locked object cannot be kept in a long-closed state, so that the lock is inconvenient to use.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the double-unlocking electronic coded lock with a more reasonable structure aiming at the problems existing in the prior art.

The technical scheme adopted for solving the technical problems is as follows:

the electronic coded lock comprises a lock core and a lock shell locking mechanism, wherein the lock core comprises a lock liner and a lock shell arranged on the outer side of the lock liner, a key jack is arranged at the upper end of the lock liner, and the lock liner can rotate relative to the lock shell when a key is inserted into the lock liner; the outer side of the lock shell is provided with an outer shell, the lock shell is in running fit with the outer shell, and the upper ends of the lock shell and the lock liner extend out of the outer shell; the lower ends of the outer shell and the lock shell are provided with through holes, and the lower end of the lock liner is connected with the lock hook through the through holes;

the lock shell locking mechanism is arranged in the outer shell and comprises a motor, a driving head and a limiting block, a rotating shaft of the motor is fixedly connected with the driving head, the driving head is in sliding connection with the limiting block, and a first spring is arranged between the limiting block and the motor; the lock shell is provided with a limiting groove at one side close to the lock shell locking mechanism, and the limiting block extends into the limiting groove under the action of a first spring; the limiting block is used for sliding towards the motor under the action of external force so as to be separated from the limiting groove; the motor is used for driving the limiting block to rotate, so that the right angle and the chamfer rotate around a rotating shaft of the motor; when the lock shell is rotated and the chamfer is opposite to the rotation direction of the lock shell, the chamfer guides the limiting block out of the limiting groove, and the lock shell drives the lock liner and the lock hook to synchronously rotate through rotation, so that the lock hook is unlocked or locked; when the lock shell is rotated, the right angle is opposite to the rotation direction of the lock shell, the right angle limits the limiting block in the limiting groove, the lock liner can be unlocked by a key, and the lock liner drives the lock hook to rotate to unlock or lock the lock hook.

Preferably, the lock shell comprises an upper lock shell and a lower lock shell, wherein the upper lock shell is in a knob shape, the upper lock shell is positioned above the outer shell, and a first matching part is arranged at the lower end of the upper lock shell; the lower lock shell is in running fit with the outer shell, a second fit part is arranged at the upper end of the lower lock shell, and the first fit part is connected with the second fit part to realize synchronous rotation of the upper lock shell and the lower lock shell; the limiting groove is arranged on the outer side wall of the lower lock shell.

Preferably, a blade hole communicated with the key jack is formed in the side part of the lock cylinder; a movable blade is movably connected in the blade hole, and a hook part is arranged at the outer end of the movable blade; the outer side of the lock liner is provided with a spring groove, a second spring is arranged in the spring groove, and the outer end of the second spring is abutted against the inner side of the hook part; the lock shell is internally provided with a clamping groove, and the movable blade extends outwards into the clamping groove under the action of the elasticity of the second spring, so that the positions of the lock liner and the lock shell are locked;

the movable blade is provided with a limiting hole matched with the key jack, the limiting hole is eccentrically distributed in the key jack under the action of the elastic force of the second spring, and when a key is inserted, the key drives the movable blade to move towards the inside of the lock liner through the limiting hole, so that the movable blade is separated from the clamping groove, and the lock between the lock liner and the lock shell is released.

Preferably, the blade hole penetrates through the front side wall and the rear side wall of the lock cylinder.

Preferably, the side wall of the lock case is provided with a first protrusion, a first arc-shaped limit groove surrounding the lock case is arranged in the outer case, the first protrusion is located in the first arc-shaped limit groove, and the first protrusion is used for sliding in the range of the first arc-shaped limit groove, so that the rotation angle of the lock case is limited.

Preferably, the outer side wall of the lock container is provided with a second bulge, the inner side of the lock shell is provided with a second arc-shaped limiting groove surrounding the lock container, the second bulge is located in the second arc-shaped limiting groove, and the second bulge is used for sliding in the range of the second arc-shaped limiting groove, so that the rotation angle of the lock container is limited.

Preferably, the lateral part of the driving head is provided with a limit rib, and one end of the limit block, which is far away from the limit groove, is provided with a chute which is in sliding fit with the driving head.

Preferably, the number of the right angles and the chamfer angles is two, the two right angles are distributed oppositely, the two chamfer angles are distributed oppositely, and the limit groove is rectangular.

Preferably, the device further comprises a control main board connected with the motor and a key module connected with the control main board.

Preferably, an inner shell is arranged in the outer shell, the lock shell locking mechanism is arranged in the inner shell, the inner shell is provided with a through hole for penetrating out of the limiting block, and the limiting block penetrates through the through hole and extends into the limiting groove; the lateral wall of stopper is provided with the third arch, be provided with in the inner shell around the third arc spacing groove that the stopper set up, the third arch is located the third arc spacing groove, the third arch is used for sliding in the third arc spacing groove within range, thereby restriction the rotation angle of stopper.

Compared with the prior art, the utility model has the beneficial effects that:

according to the electronic coded lock capable of being unlocked in double mode, the key and the password are used for unlocking in double mode, when the password is used for unlocking, after the lock hook is unlocked through the password, the lock core part at the outer end of the shell body can be used as a knob, unlocking or unlocking can be carried out through rotation of the knob, and the unlocking mode is novel and convenient to use.

Drawings

Fig. 1 is a cross-sectional view of a double-unlocking electronic combination lock according to the present utility model.

Fig. 2 is a disassembled view of a lock core and a lock shell locking mechanism of the double-unlocking electronic coded lock.

Fig. 3 is an exploded view of a lock core and a lock hook of the double-unlocking electronic coded lock.

Fig. 4 is a disassembled view of a lock cylinder 5 of the double-unlocking electronic coded lock of the present utility model.

Fig. 5 is a reference diagram of a use state of a lock cylinder connected with a lock hook of the double-unlocking electronic coded lock.

Reference numerals: 1. an outer housing; 2. a key module; 3. an upper lock shell; 31. a clamping groove; 32. the second arc-shaped limit groove; 4. a lower lock case; 41. a limit groove; 42. a first protrusion; 43. a fixed ear; 5. locking the liner; 51. a key insertion hole; 52. a second protrusion; 53. a blade hole; 54. a first spring groove; 55. an annular limit groove; 6. a second spring; 7. a first movable blade; 71. a limiting hole; 72. a hook portion; 8. a screw; 9. a latch hook; 91. a connection hole; 10. a rotating shaft; 11. a first spring; 12. a limiting block; 121. a third protrusion; 122. chamfering; 123. right angles; 13. a second movable blade; 14. a third spring; 15. a gasket; 16. a gasket; 17. a drive head; 171. a limit rib; 18. an inner housing; 19. and a motor.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 5, the electronic coded lock with double unlocking comprises a lock cylinder and a lock shell locking mechanism, wherein the lock cylinder comprises a lock liner 5 and a lock shell arranged on the outer side of the lock liner 5, a key insertion hole 51 is formed in the upper end of the lock liner 5, and the lock liner 5 can rotate relative to the lock shell when a key is inserted;

the lock shell comprises an upper lock shell 3 and a lower lock shell 4 which are matched with each other, the upper lock shell 3 is in a knob shape, the upper end of the lower lock shell 4 is provided with a fixing lug 43, the lower end of the upper lock shell 3 is provided with a fixing lug limiting groove, and the fixing lug 43 is positioned in the fixing lug limiting groove, so that the lower lock shell 4 can synchronously rotate along with the upper lock shell 3; the upper end of the lock cylinder 5 is provided with a second flanging, the upper end of the upper lock shell 3 is provided with a second flanging limit groove, the second flanging is downwards placed in the second flanging limit groove, and the second flanging limit groove is used for preventing the lock cylinder 5 from downwards moving relative to the upper lock shell 3; the lock cylinder 5 is provided with a second bulge 52 below the second flanging, the upper lock shell 3 is provided with a second arc-shaped limit groove 32 below the second flanging limit groove and surrounding the lock cylinder 5, the second bulge 52 is positioned in the second arc-shaped limit groove 32, and the second bulge 52 is used for rotating within the range of the second arc-shaped limit groove 32 so as to limit the rotating angle of the lock cylinder 5;

the lock cylinder 5 is provided with a blade hole 53 communicated with the key insertion hole 51 at the inner side of the upper lock shell 3, and the blade hole 53 penetrates through the front side wall and the rear side wall of the lock cylinder 5; a first movable blade 7 is movably connected in the blade hole 53, and the first movable blade 7 has the freedom degree of back and forth movement in the blade hole 53; the outer side of the lock liner 5 is provided with a first spring groove 54, a second spring 6 is arranged in the first spring groove 54, one side of the outer end of the first movable blade 7 is provided with a hook 72, the second spring 6 is positioned at the inner side of the hook 72, and the outer end of the second spring 6 is abutted against the first movable blade 7; a clamping groove 31 is formed in the upper lock shell 3, and the first movable blade 7 extends outwards into the clamping groove 31 under the action of the elastic force of the second spring 6, so that the positions of the lock liner 5 and the upper lock shell 3 are locked; the first movable blade 7 is provided with a limiting hole 71 matched with the key insertion hole 51, the limiting hole 71 is eccentrically distributed in the key insertion hole 51 under the action of the elastic force of the second spring 6, and when a key is inserted, the key drives the first movable blade 7 to move towards the inside of the lock cylinder 5 through the limiting hole 71, so that the first movable blade 7 is separated from the clamping groove 31, and the lock between the lock cylinder 5 and the upper lock shell 3 is released.

The lock liner 5 is provided with a second movable blade 13 at the inner side of the lower lock shell 4, the outer side of the lock liner 5 is provided with a second spring groove, a third spring 14 is arranged in the second spring groove, one side of the outer end of the second movable blade 13 is provided with a second hook part, the third spring 14 is positioned at the inner side of the second hook part, and the outer end of the third spring 14 is abutted with the second movable blade 13; an annular limiting groove 55 is formed in the inner side of the lower lock shell 4, and the second movable blade 13 extends outwards into the annular limiting groove 55 under the action of the elastic force of the third spring 14; the second movable blade 13 is used for preventing the lock cylinder 5 from moving upwards relative to the lower lock shell 4;

the outer side of the lower lock shell 4 is provided with an outer shell 1, the lower lock shell 4 is in running fit with the outer shell 1, the side wall of the upper end of the lower lock shell 4 is provided with a first bulge 42, the inner side of the upper end of the outer shell 1 is provided with a first arc-shaped limit groove arranged around the lower lock shell 4, the first bulge 42 is positioned in the first arc-shaped limit groove, and the first bulge 42 is used for sliding in the range of the first arc-shaped limit groove so as to limit the rotation angle of the lower lock shell 4; the first arc-shaped limiting groove is also used for preventing the lower lock shell 4 from moving downwards relative to the outer shell 1; the outer wall of the lower lock shell 4 is provided with a gasket limiting groove, and a gasket 16 is arranged in the gasket limiting groove; the outer housing 1 is provided with a projection above the washer 16, which projection prevents the lower lock housing 4 from moving upwards relative to the outer housing 1 by means of the washer 16.

The upper end of the lock cylinder extends out of the outer shell 1, the upper lock shell 3 is positioned above the outer shell 1, a first flanging is arranged at the lower end of the upper lock shell 3, and a gasket 15 is arranged between the first flanging and the outer shell 1; the lower extreme of shell body 1, lock shell is equipped with the through-hole, the lock shell below is equipped with latch hook 9, latch hook 9 is equipped with connecting hole 91, latch hook 9 pass through screw 8 connect in lock courage 5 below.

An inner shell 18 is arranged in the outer shell 1, the lock shell locking mechanism is arranged in the inner shell 18 and comprises a motor 19, a driving head 17 and a limiting block 12, the motor 19 is connected with a control main board, and the control main board is connected with the key module 2; the rotating shaft 10 of the motor 19 is fixedly connected with the driving head 17, the driving head 17 is in sliding connection with the limiting block 12, a limiting rib 171 is arranged on the side part of the driving head 17, and a sliding groove which is in sliding fit with the driving head 17 is arranged at one end, far away from the limiting groove 41, of the limiting block 12; a first spring 11 is arranged between the limiting block 12 and the motor 19; a limiting groove 41 is formed in one side, close to the lock shell locking mechanism, of the lower lock shell 4, and the limiting groove 41 is rectangular; the inner housing 18 is provided with a through hole for penetrating out of the limiting block 12, and the limiting block 12 extends into the limiting groove 41 under the action of the first spring 11; the limiting block 12 is used for sliding towards the motor 19 under the action of external force so as to be separated from the limiting groove 41;

the limiting block 12 is provided with a right angle 123 and a chamfer 122 at one end close to the limiting groove 41, the number of the right angle 123 and the chamfer 122 is two, the two right angles 123 are relatively distributed, the two chamfers 122 are relatively distributed, and the motor 19 is used for driving the limiting block 12 to rotate so that the right angle 123 and the chamfer 122 rotate around the rotating shaft 10 of the motor 19; the side wall of the limiting block 12 is provided with a third protrusion 121, a third arc-shaped limiting groove surrounding the limiting block 12 is arranged in the inner shell 18, the third protrusion 121 is positioned in the third arc-shaped limiting groove, and the third protrusion 121 is used for sliding in the range of the third arc-shaped limiting groove, so that the rotation angle of the limiting block 12 is limited; when the upper lock shell 3 is utilized to rotate the lower lock shell 4 and the chamfer 122 is opposite to the rotation direction of the lower lock shell 4, the chamfer 122 guides the limiting block 12 out of the limiting groove 41, and the lower lock shell 4 rotates to drive the lock liner 5 and the lock hook 9 to synchronously rotate, so that the lock hook 9 is unlocked or locked; when the upper lock shell 3 is utilized to rotate the lower lock shell 4, and the right angle 123 is opposite to the rotation direction of the lower lock shell 4, the right angle 123 limits the limiting block 12 in the limiting groove 41, the lock liner 5 can be unlocked by utilizing a key, and the lock liner 5 drives the lock hook 9 to rotate so as to unlock or lock the lock hook 9.

During the use, can directly insert the key in the key jack of lock core, rotate the key in order to unlock the latch hook, when not taking the key, can input the password through the button module for the pivot of motor drives the stopper and rotates to the chamfer and treat the rotation direction relative with the lock shell, rotates knob form last casing in order to unlock the latch hook again.

According to the electronic coded lock capable of being unlocked in double mode, the key and the password are used for unlocking in double mode, when the password is used for unlocking, after the lock hook is unlocked through the password, the lock core part at the outer end of the shell body can be used as a knob, unlocking or unlocking can be carried out through rotation of the knob, and the unlocking mode is novel and convenient to use.

Finally, it should be noted that: the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The electronic coded lock is characterized by comprising a lock cylinder and a lock shell locking mechanism, wherein the lock cylinder comprises a lock liner and a lock shell arranged on the outer side of the lock liner, a key insertion hole is formed in the upper end of the lock liner, and the lock liner can rotate relative to the lock shell when a key is inserted into the lock liner; the outer side of the lock shell is provided with an outer shell, the lock shell is in running fit with the outer shell, and the upper ends of the lock shell and the lock liner extend out of the outer shell; the lower ends of the outer shell and the lock shell are provided with through holes, and the lower end of the lock liner is connected with the lock hook through the through holes;

the lock shell locking mechanism is arranged in the outer shell and comprises a motor, a driving head and a limiting block, a rotating shaft of the motor is fixedly connected with the driving head, the driving head is in sliding connection with the limiting block, and a first spring is arranged between the limiting block and the motor; the lock shell is provided with a limiting groove at one side close to the lock shell locking mechanism, and the limiting block extends into the limiting groove under the action of a first spring; the limiting block is used for sliding towards the motor under the action of external force so as to be separated from the limiting groove; the motor is used for driving the limiting block to rotate, so that the right angle and the chamfer rotate around a rotating shaft of the motor; when the lock shell is rotated and the chamfer is opposite to the rotation direction of the lock shell, the chamfer guides the limiting block out of the limiting groove, and the lock shell drives the lock liner and the lock hook to synchronously rotate through rotation, so that the lock hook is unlocked or locked; when the lock shell is rotated, the right angle is opposite to the rotation direction of the lock shell, the right angle limits the limiting block in the limiting groove, the lock liner can be unlocked by a key, and the lock liner drives the lock hook to rotate to unlock or lock the lock hook.

2. The double-unlocking electronic coded lock according to claim 1, wherein the lock shell comprises an upper lock shell and a lower lock shell, the upper lock shell is knob-shaped, the upper lock shell is positioned above the outer shell, and a first matching part is arranged at the lower end of the upper lock shell; the lower lock shell is in running fit with the outer shell, a second fit part is arranged at the upper end of the lower lock shell, and the first fit part is connected with the second fit part to realize synchronous rotation of the upper lock shell and the lower lock shell; the limiting groove is arranged on the outer side wall of the lower lock shell.

3. The double-unlocking electronic coded lock according to claim 1, wherein a blade hole communicated with the key insertion hole is formed in the side portion of the lock cylinder; a movable blade is movably connected in the blade hole, and a hook part is arranged at the outer end of the movable blade; the outer side of the lock liner is provided with a spring groove, a second spring is arranged in the spring groove, and the outer end of the second spring is abutted against the inner side of the hook part; the lock shell is internally provided with a clamping groove, and the movable blade extends outwards into the clamping groove under the action of the elasticity of the second spring, so that the positions of the lock liner and the lock shell are locked;

the movable blade is provided with a limiting hole matched with the key jack, the limiting hole is eccentrically distributed in the key jack under the action of the elastic force of the second spring, and when a key is inserted, the key drives the movable blade to move towards the inside of the lock liner through the limiting hole, so that the movable blade is separated from the clamping groove, and the lock between the lock liner and the lock shell is released.

4. A double-unlocking electronic coded lock according to claim 3, wherein the vane holes extend through both front and rear sidewalls of the lock cylinder.

5. The double-unlocking electronic coded lock according to claim 1, wherein a first protrusion is arranged on the side wall of the lock case, a first arc-shaped limiting groove arranged around the lock case is arranged in the outer case, the first protrusion is located in the first arc-shaped limiting groove, and the first protrusion is used for sliding in the range of the first arc-shaped limiting groove, so that the rotation angle of the lock case is limited.

6. The double-unlocking electronic coded lock according to claim 1, wherein a second protrusion is arranged on the outer side wall of the lock container, a second arc-shaped limiting groove arranged around the lock container is arranged on the inner side of the lock shell, the second protrusion is located in the second arc-shaped limiting groove, and the second protrusion is used for sliding in the range of the second arc-shaped limiting groove, so that the rotation angle of the lock container is limited.

7. The double-unlocking electronic coded lock according to claim 1, wherein a limit rib is arranged on the side portion of the driving head, and a sliding groove which is in sliding fit with the driving head is arranged at one end, away from the limit groove, of the limit block.

8. The double-unlocking electronic coded lock according to claim 1, wherein the number of the right angles and the chamfers is two, the two right angles are distributed oppositely, the two chamfers are distributed oppositely, and the limit groove is rectangular.

9. The double-unlocking electronic coded lock according to claim 1, further comprising a control main board connected with the motor and a key module connected with the control main board.

10. The double-unlocking electronic coded lock according to claim 1, wherein an inner shell is arranged in the outer shell, the lock shell locking mechanism is arranged in the inner shell, the inner shell is provided with a through hole for penetrating out of the limiting block, and the limiting block penetrates through the through hole and extends into the limiting groove; the lateral wall of stopper is provided with the third arch, be provided with in the inner shell around the third arc spacing groove that the stopper set up, the third arch is located the third arc spacing groove, the third arch is used for sliding in the third arc spacing groove within range, thereby restriction the rotation angle of stopper.