CN220059222U - Five-prevention key - Google Patents

Abstract

A five-prevention key comprises a shell, a control module, a locking assembly, an unlocking assembly and a positioning rod, wherein the control module, the locking assembly, the unlocking assembly and the positioning rod are arranged in the shell; the unlocking component comprises an unlocking rod, the unlocking rod comprises a transmission part and at least one unlocking part, and the unlocking part is detachably connected with the transmission part. The unlocking part of the unlocking rod is detachably connected with the transmission part, and the requirement that different specifications of five-prevention locks are needed to be adopted by different power supply equipment can be met by replacing the unlocking part.

Description

Five-prevention key

Technical Field

The utility model relates to the technical field of keys, in particular to a five-prevention lock key.

Background

Because the transformer substation is very important, a door lock is generally arranged on the control cabinet to protect the transformer substation. In order to improve the safety of the transformer substation, the five-prevention lock is used frequently in daily operation of power equipment. The five-prevention lock is a lock for high-voltage switchgear, and forces an operator to perform correct operation on the electrical equipment according to a predetermined installation operation program.

Because different power supply equipment needs to adopt five-prevention locks of different specifications, five-prevention lock holes of different specifications are different, and a plurality of electronic unlocking devices (five-prevention lock keys) carried by maintenance personnel are needed, after the maintenance site is reached, the corresponding electronic unlocking devices are selected to unlock the corresponding five-prevention locks by being turned over from the plurality of carried electronic unlocking devices, so that inconvenience is brought to the maintenance personnel.

Disclosure of Invention

In view of the foregoing, it is necessary to provide a five-prevention lock key that has a simple structure and is capable of unlocking five-prevention locks of different specifications.

A five-prevention key comprises a shell, a control module, a locking assembly, an unlocking assembly and a positioning rod, wherein the control module, the locking assembly, the unlocking assembly and the positioning rod are arranged in the shell; the unlocking component comprises an unlocking rod, the unlocking rod comprises a transmission part and at least one unlocking part, and the unlocking part is detachably connected with the transmission part.

Preferably, the unlocking part is provided with a limiting groove, the transmission part is provided with a limiting block matched with the limiting groove, and the limiting block is inserted into the limiting groove to limit the rotation between the unlocking part and the transmission part.

Preferably, the cross-sectional shape of the limiting groove is triangular, rectangular, pentagonal, hexagonal or other non-circular shape.

Preferably, the unlocking part is provided with a magnetic attraction piece around the limiting groove, the limiting block and the magnetic attraction piece are respectively a magnet or a magnetically attracted object, and the limiting block is magnetically attracted with the magnetic attraction piece after being inserted into the limiting groove.

Preferably, the five-prevention lock key further comprises a mounting seat, and the mounting seat is mounted in the shell; the mounting seat is provided with a first inserting part, the transmission part of the unlocking rod is inserted with the first inserting part, and the unlocking part of the unlocking rod extends out of the shell; the mounting seat is also provided with a second plug-in connection part, one part of the second unlocking rod is plugged in the second plug-in connection part, and the other part of the second unlocking rod extends out of the shell.

Preferably, the unlocking assembly further comprises a key cap, a spring, a gear and a rack meshed with the gear for transmission, and the gear is sleeved on the periphery of the transmission part of the unlocking rod; the mounting seat is provided with a sliding groove, and the rack and the spring are mounted in the sliding groove; connecting shafts are respectively arranged at two ends of the rack, the mounting seat is provided with shaft holes in the extending direction of the sliding groove, and the two connecting shafts penetrate through the mounting seat through the shaft holes; the spring is sleeved on one of the connecting shafts and is abutted against the inner wall of the sliding groove, and the other connecting shaft penetrates through the mounting seat and extends out of the shell to be connected with the key cap.

Preferably, the rack is provided with a positioning groove, the locking assembly comprises a unlocking pin which can extend into the positioning groove and an electromagnet for driving the unlocking pin to move, the unlocking pin extends into the positioning groove to lock the rack, and the electromagnet drives the unlocking pin to be separated from the positioning groove to release the rack.

Preferably, the locking assembly further comprises a movable cavity and a tower-shaped spring, the movable cavity is connected with the electromagnet, the movable cavity and the electromagnet are internally provided with the movable cavity, and the tower-shaped spring and the unlocking pin are arranged in the movable cavity; the control module sends a signal to the electromagnet, the electromagnet attracts the unlocking pin to move away from the rack through magnetic force, so that the unlocking pin is switched from the locking position to the unlocking position, the control module continues to send the signal to the electromagnet, the electromagnet releases the magnetic force attraction, the unlocking pin moves towards the rack under the action of the tower-type spring, and the unlocking pin is switched from the locking position to the locking position.

Preferably, the control module further comprises a control circuit board, a coding detector, a communication module and a power supply unit, wherein the coding detector, the communication module and the power supply unit are respectively and electrically connected with the control circuit board; the power supply unit comprises a storage battery, a charging and discharging module and a charging interface, and the charging interface is embedded in the shell.

Preferably, the control module further comprises a touch screen and a switch key cap, the switch key cap is embedded in the shell, and the touch screen and the switch key cap are respectively and electrically connected with the control circuit board.

In the five-prevention lock key, the unlocking rod is divided into a transmission part and an unlocking part, and the transmission part drives the unlocking part to rotate to unlock through a related mechanical structure. The unlocking part is detachably connected with the transmission part, and at least one unlocking part can be used for unlocking the five-prevention locks with different specifications by replacing the unlocking part, so that maintenance personnel do not need to carry a plurality of five-prevention lock keys, and five-prevention locks on different power supply equipment are unlocked by utilizing the five-prevention lock keys with a plurality of replaceable unlocking parts.

Drawings

Fig. 1 is a schematic structural diagram of a five-prevention lock key.

Fig. 2 is an exploded view of the five-lock key of fig. 1.

Fig. 3 is an exploded view of the unlocking lever of fig. 2.

Fig. 4 is a schematic view of the structure of the mounting member of fig. 2.

Fig. 5 is a schematic view of the connection structure of the mounting member and the unlocking assembly in fig. 2.

Fig. 6 is a schematic view of the connection structure of the unlocking assembly and the locking assembly in fig. 2.

Fig. 7 is a schematic cross-sectional view of the latch assembly of fig. 2.

In the figure: the lock device comprises a shell 10, a front shell 11, a rear shell 12, a control circuit board 20, a code detector 21, a storage battery 22, a touch screen 23, a switch key cap 24, an unlocking component 30, an unlocking rod 31, an unlocking part 311, a transmission part 312, a limiting groove 313, a magnetic attraction piece 314, a limiting block 315, a gear 32, a rack 33, a connecting shaft 331, a positioning groove 332, a spring 34, a key cap 35, a positioning rod 40, a locking component 50, an unlocking pin 51, an electromagnet 52, a movable cavity 53, a movable cavity 54, a tower-shaped spring 55, a mounting seat 60, a first plug-in part 61, a second plug-in part 62, a sliding groove 63, a shaft hole 64, a mounting groove 65 and a notch 66.

Detailed Description

Referring to fig. 1 and 2, a five-prevention lock key includes a housing 10, a control module disposed in the housing 10 for identifying the five-prevention lock, a locking assembly 50, an unlocking assembly 30, and a positioning rod 40 for positioning, wherein the locking assembly 50 is electrically connected with the control module, and the locking assembly 50 is used for locking or releasing the unlocking assembly 30. The code detector 21 of the control module recognizes the technical code, if the unlocking assembly 30 is released by the correct locking assembly 50, the five-prevention lock is unlocked by the unlocking rod 31.

As shown in fig. 3, the unlocking assembly 30 includes an unlocking lever 31 for rotating and unlocking, the unlocking lever 31 includes a transmission portion 311 and at least one unlocking portion 312, and the unlocking portion 312 is detachably connected to the transmission portion 311. The unlocking part 312 is provided with a limiting groove 313, the transmission part 311 is provided with a limiting block 315 matched with the limiting groove 313, the limiting block 315 is inserted into the limiting groove 313, namely the transmission part 311 and the unlocking part 312 are connected, and rotation between the transmission part 311 and the unlocking part 312 is limited, so that when the unlocking rod 31 is rotated and unlocked, the transmission part 311 and the unlocking part 312 are simultaneously rotated in a linkage way.

Further, the cross-sectional shape of the limiting groove 313 is triangular, rectangular, pentagonal, hexagonal or other non-circular shape, so that the unlocking portion 312 and the transmission portion 311 can be limited to rotate relatively, and the limiting block 315 is matched with the shape of the limiting groove 313.

In order to strengthen the connection between the transmission portion 311 and the unlocking portion 312, the unlocking portion 312 is provided with a magnetic attraction piece 314 around the limiting groove 313, the magnetic attraction piece 314 and the limiting block 315 are divided into a magnet or a magnetically attracted object, and the limiting block 315 is magnetically attracted with the magnetic attraction piece 314 after being inserted into the limiting groove 313. The magnetic attraction piece 314 and the limiting block 315 can be both magnets, or one of the magnets and the other is a magnetically attracted object.

The shell 10 comprises a front shell 11 and a rear shell 12 which are buckled with each other, the five-prevention lock key further comprises a mounting seat 60, and the mounting seat 60 is mounted in the shell 10 and is fixedly connected to at least one of the front shell 11 or the rear shell 12. The unlocking assembly 30 and the positioning rod 40 are mounted on the mounting base 60.

As shown in fig. 4, the mounting base 60 is provided with a first plugging portion 61, the transmission portion 311 of the unlocking lever 31 is plugged into the first plugging portion 61, and the unlocking portion 312 of the unlocking lever 31 extends out of the housing 10; the mounting seat 60 is further provided with a second plugging portion 62, and one part of the positioning rod 40 is plugged with the second plugging portion 62, and the other part extends out of the housing 10.

As shown in fig. 4 and 5, the unlocking assembly 30 further includes a button cap 35, a spring 34, a gear 32, and a rack 33 engaged with the gear 32, wherein the gear 32 is sleeved on the periphery of the transmission portion 311 of the unlocking rod 31; the mount 60 is provided with a slide groove 63, and the rack 33 and the spring 34 are mounted in the slide groove 63, and one end of the spring 34 abuts against the inner wall of the slide groove 63, and the other end abuts against the rack 33. Connecting shafts 331 are respectively arranged at two ends of the transmission rack 33, the mounting seat 60 is provided with a shaft hole 64 in the extending direction of the sliding groove 63, and the two connecting shafts 331 penetrate through the mounting seat 60 through the shaft hole 64; the spring 34 is sleeved on one of the connecting shafts 331, and the other connecting shaft 331 penetrates through the mounting seat 60 and extends out of the casing 10 to be connected with the key cap 35.

Pushing the rack 33 to move in the sliding groove 63 by pressing the key cap 35, so that the transmission part 311 on the gear 32 rotates and drives the unlocking part 312 to rotate; under the action of the sliding groove 63, the unlocking lever 31 has limited rotation range, so that the lockset can be effectively unlocked; the key cap 35 is released, and the rack 33 is reversely pushed to move in the sliding groove 63 under the action of the spring 34, so that the unlocking lever 31 is reset.

As shown in fig. 4 to 6, the mounting seat 60 is provided with a mounting groove 65, the locking assembly 50 is mounted in the mounting groove 65, the rack 33 is provided with a positioning groove 332, the locking assembly 50 comprises a unlocking pin 51 which can extend into the positioning groove 332 and an electromagnet 52 for driving the unlocking pin 51 to move, the mounting seat 60 is provided with a notch 66 corresponding to the positioning groove 332, the unlocking pin 51 extends into the positioning groove 332 through the notch 66 so as to lock the rack 33, the unlocking rod 31 cannot rotate, the electromagnet 52 drives the unlocking pin 51 to be separated from the positioning groove 332 so as to release the rack 33, and the unlocking rod 31 is rotated by pressing the key cap 35 so as to achieve the unlocking purpose.

As shown in fig. 7, the locking assembly 50 further comprises a movable cavity 53 and a tower-shaped spring 55, the movable cavity 53 is connected with the electromagnet 52, the movable cavity 53 and the electromagnet 52 are internally provided with the movable cavity 53, and the tower-shaped spring 55 and the unlocking pin 51 are arranged in the movable cavity 53; the control module sends a signal to the electromagnet 52, and the electromagnet 52 attracts the unlocking pin 51 to move away from the rack 33 through magnetic force, so that the unlocking pin 51 is switched from the locking position to the unlocking position; the control module continues to send a signal to the electromagnet 52, the electromagnet 52 releases the magnetic attraction, the unlocking pin 51 moves towards the rack 33 under the action of the tower-shaped spring 55, and the unlocking pin 51 is switched from the lock unlocking position to the locking position.

The control module includes a control circuit board 20, a code detector 21, a communication module (not shown), a power supply unit, a touch screen 23, and a switch key cap 24, and the code detector 21, the communication module, the power supply unit touch screen 23, and the switch key cap 24 are electrically connected with the control circuit board 20, respectively. The code detector 21 is mounted on the mount 60, and a portion of the mount 60 on which the code detector 21 is mounted protrudes outside the housing such that the code detector 21 is disposed between the unlocking lever 31 and the positioning lever 40.

The code detector 21 reads the code of the lockset by adopting a wireless radio frequency identification technology, automatically identifies a target object through a radio frequency wireless signal, acquires related data, adopts a non-contact code acquisition mode of a key and the lockset, has stronger anti-interference performance, and has good encapsulation, so that the lockset can be effectively prevented from pollution and moisture in application.

The power supply unit includes a battery 22, a charge-discharge module (not shown) and a charge interface (not shown), the charge interface is embedded under the housing 10, the battery 22 is used as the energy source of the whole device, a part of the battery is reduced in voltage to supply to the control circuit board 20 and each module on the control circuit board 20, and a part of the battery is increased in voltage to 5V to supply to the touch screen 23, the electromagnet 52 and the code detector 21.

The touch screen 23 is embedded in the front shell 11, and when the touch screen is touched, the standby state can be awakened or the unlocking operation can be performed, and the touch screen 23 can display related information (such as electric quantity, networking state, brightness and the like) of the five-prevention key and also can perform related operations (such as code reading, unlocking, networking and the like).

The on-off key cap 24 is embedded at one side of the housing 10 for screen sleep and wake-up.

The communication module mainly realizes data communication by the GM5 module, and can realize the bidirectional data transparent transmission from the serial port to the network by setting parameters of the GM5, so that user data can be more rapidly transmitted to the network.

In the above-mentioned five-prevention lock key, the unlocking lever 31 is divided into two parts, namely the transmission part 311 and the unlocking part 312, and the transmission part 311 drives the unlocking part 312 to rotate to unlock through the related mechanical structure. Because the unlocking part 312 is detachably connected with the transmission part 311, and at least one unlocking part 312 can be used for unlocking the five-prevention locks with different specifications by replacing the unlocking part 312, maintenance personnel do not need to carry a plurality of five-prevention lock keys, and five-prevention locks on different power supply equipment are unlocked by utilizing the five-prevention lock keys with a plurality of replaceable unlocking parts.

Claims (10)

1. A five-prevention key comprises a shell, a control module, a locking assembly, an unlocking assembly and a positioning rod, wherein the control module, the locking assembly, the unlocking assembly and the positioning rod are arranged in the shell; the method is characterized in that: the unlocking component comprises an unlocking rod, the unlocking rod comprises a transmission part and at least one unlocking part, and the unlocking part is detachably connected with the transmission part.

2. The five-way lock key of claim 1, wherein: the unlocking part is provided with a limiting groove, the transmission part is provided with a limiting block matched with the limiting groove, and the limiting block is inserted into the limiting groove to limit rotation between the unlocking part and the transmission part.

3. The five-way lock key of claim 2, wherein: the cross section of the limit groove is triangular, rectangular, pentagonal, hexagonal or other non-circular shape.

4. A five-way lock key as defined in claim 3, wherein: the unlocking part is provided with a magnetic attraction piece around the limiting groove, the limiting block and the magnetic attraction piece are respectively a magnet or a magnetically attracted object, and the limiting block is inserted into the limiting groove and then magnetically attracted with the magnetic attraction piece.

5. The five-way lock key of claim 1, wherein: the five-prevention lock key also comprises a mounting seat, and the mounting seat is arranged in the shell; the mounting seat is provided with a first inserting part, the transmission part of the unlocking rod is inserted with the first inserting part, and the unlocking part of the unlocking rod extends out of the shell; the mounting seat is also provided with a second plug-in connection part, one part of the second unlocking rod is plugged in the second plug-in connection part, and the other part of the second unlocking rod extends out of the shell.

6. The five-way lock key of claim 5, wherein: the unlocking component further comprises a key cap, a spring, a gear and a rack meshed with the gear for transmission, and the gear is sleeved on the periphery of the transmission part of the unlocking rod; the mounting seat is provided with a sliding groove, and the rack and the spring are mounted in the sliding groove; connecting shafts are respectively arranged at two ends of the rack, the mounting seat is provided with shaft holes in the extending direction of the sliding groove, and the two connecting shafts penetrate through the mounting seat through the shaft holes; the spring is sleeved on one of the connecting shafts and is abutted against the inner wall of the sliding groove, and the other connecting shaft penetrates through the mounting seat and extends out of the shell to be connected with the key cap.

7. The five-way lock key of claim 6, wherein: the rack is provided with a positioning groove, the locking assembly comprises an unlocking pin which can extend into the positioning groove and an electromagnet used for driving the unlocking pin to move, the unlocking pin extends into the positioning groove to lock the rack, and the electromagnet drives the unlocking pin to be separated from the positioning groove to release the rack.

8. The five-way lock key of claim 7, wherein: the locking assembly further comprises a movable cavity and a tower-shaped spring, the movable cavity is connected with the electromagnet, the movable cavity and the electromagnet are internally provided with the movable cavity, and the tower-shaped spring and the unlocking pin are arranged in the movable cavity; the control module sends a signal to the electromagnet, and the electromagnet attracts the unlocking pin to move away from the rack through magnetic force, so that the unlocking pin is switched from a locking position to an unlocking position; the control module continues to send a signal to the electromagnet, the electromagnet releases the magnetic attraction, the unlocking pin moves towards the direction of the rack under the action of the tower-shaped spring, and the unlocking pin is switched from the lock unlocking position to the locking position.

9. The five-way lock key of claim 1, wherein: the control module further comprises a control circuit board, a coding detector, a communication module and a power supply unit, wherein the coding detector, the communication module and the power supply unit are respectively and electrically connected with the control circuit board; the power supply unit comprises a storage battery, a charging and discharging module and a charging interface, and the charging interface is embedded in the shell.

10. The five-way lock key of claim 9, wherein: the control module further comprises a touch screen and a switch key cap, the switch key cap is embedded in the shell, and the touch screen and the switch key cap are respectively and electrically connected with the control circuit board.