CN221256416U

CN221256416U - Magnetic door lock

Info

Publication number: CN221256416U
Application number: CN202323171474.6U
Authority: CN
Inventors: 余永斌; 张建聪
Original assignee: Chuangsheng Magnetic Industry Hangzhou Co ltd
Current assignee: Chuangsheng Magnetic Industry Hangzhou Co ltd
Priority date: 2023-11-23
Filing date: 2023-11-23
Publication date: 2024-07-02
Anticipated expiration: 2033-11-23

Abstract

The utility model discloses a magnetic door lock, which comprises a lock body and a door frame for installing the lock body, wherein the lock body comprises an installation plate and a shell, the outer surface of the shell is fixedly connected with an electromagnetic shielding cover, a first installation groove is formed in the inner side wall of the door frame, the installation plate is fixedly installed on the inner side wall of the door frame through a screw, one end of the electromagnetic shielding cover is installed in the first installation groove, and an electromagnet is fixedly connected to the inner side wall of the shell. According to the door lock, the components such as the electromagnet, the armature plate, the lock tongue and the locking groove are arranged, the access controller controls current to be led to the electromagnet, the magnetic force generated by the electromagnet attracts the armature plate to compress the spring so that the lock tongue is retracted into the shell, the door is opened, the spring rebounds after the power is off, the lock tongue is pushed back into the locking groove by the magnetic force of the electromagnet, the door can be automatically closed without power on, the condition that the door lock is automatically opened due to the fact that a battery is not powered on or power is off is avoided, and the anti-theft safety performance is higher.

Description

Magnetic door lock

Technical Field

The utility model relates to the technical field of door locks, in particular to a magnetic door lock.

Background

The design of the magnetic door lock (or called as magnetic lock) is the same as that of an electromagnet, and the principle of electricity magnetic generation is utilized, when current passes through a silicon steel sheet, strong attraction force can be generated to tightly attract an iron plate to achieve the effect of locking the door, so that the magnetic lock can generate a large magnetic force only by a small current electromagnetic lock, the door control system for controlling the power supply of the magnetic door lock can cut off the power after the identification personnel of the door lock are correct, and the magnetic door lock can open the door after losing the attraction force.

In the prior art, the electromagnet generates magnetic force by electrifying, the iron plate is adsorbed to achieve the effect of locking the door, and the electromagnet can open the door after losing the attraction force after power failure, so that the door can be opened without using a key, the operation is simple and convenient, the prior art needs to always electrify the magnetic door lock to keep the door locking state, and once the battery is not electrified, or the power failure occurs, the door lock can be automatically opened, and the safety is too low.

Disclosure of utility model

The utility model aims to solve the technical problems that in the prior art, the magnetic door lock is always electrified to keep the door locking state, and once the battery is not electrified or power failure occurs, the door lock can be automatically opened, so that the safety is too low.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a magnetic door lock, including the lock body and be used for installing the door frame of lock body, the lock body includes mounting panel and casing, the surface fixedly connected with electromagnetic shield of casing, first mounting groove has been seted up to the inside wall of door frame, the mounting panel passes through screw fixed mounting on the inside wall of door frame, the inside at first mounting groove is installed to one end of electromagnetic shield, the inside wall fixedly connected with electro-magnet of casing, the through-hole has been seted up to the surface one side central point of electro-magnet, the surface one side fixedly connected with spring of casing, the one end of spring runs through the through-hole and extends to the outside fixedly connected with armature board of electro-magnet, the lateral wall of armature board and the internal surface of casing are sliding connection, the surface one side fixedly connected with spring bolt of armature board, the one end slip of spring bolt runs through and extends to the outside of mounting panel;

The inside wall of casing rotates and is connected with the lock axle, fixedly connected with tooth on the lateral wall of lock axle, the top fixedly connected with rack of spring bolt, the rack is corresponding with tooth, the mounting hole has all been seted up to the surface both sides of door frame, the inside rotation of mounting hole is connected with the lock core, the one end of lock core runs through the inside that extends to the casing and is fixed connection with surface one side of lock axle.

Preferably, the door frame is characterized in that access control components are arranged on two sides of the door frame, each access control component comprises a fixing plate, the fixing plates are fixedly mounted with external walls through screws, an access control controller is fixedly mounted on one side of the surface of each fixing plate, the electromagnets are connected with the access control controllers through wires, the access control controllers are connected with an external power supply through wires, and the external power supply is controlled by the access control controllers to supply power to the electromagnets.

Preferably, a standby battery and a switch are fixedly connected to one side of the surface of the fixing plate, the switch is electrically connected with the standby battery and the access controller through wires respectively, and the switch can control the standby battery and the access controller to be connected to provide standby power.

Preferably, the outside of entrance guard's controller, switch and standby battery overlaps jointly and is equipped with the protective cover, be fixed connection between protective cover and the fixed plate, the one end of switch runs through and extends to the outside of protective cover.

Preferably, the electromagnetic shielding cover is made of metal copper material, so that external electromagnetic interference can be shielded.

Preferably, the door body is installed through the hinge on the inside wall of door frame, the second mounting groove has been seted up to surface one side of the door body, the inside fixed mounting of second mounting groove has the locked groove, locked groove and spring bolt assorted.

Preferably, a door closer is arranged between the door frame and the door body, and the door closer can automatically close the door body.

The beneficial effects of the utility model are as follows:

1. According to the door lock, the components such as the electromagnet, the armature plate, the lock tongue and the locking groove are arranged, the access controller controls current to be led to the electromagnet, the magnetic force generated by the electromagnet attracts the armature plate to compress the spring so that the lock tongue is retracted into the shell, the door is opened, the spring rebounds after the power is off, the lock tongue is pushed back into the locking groove by the magnetic force of the electromagnet, the door can be automatically closed without power on, the condition that the door lock is automatically opened due to the fact that a battery is not powered on or power is off is avoided, and the anti-theft safety performance is higher.

2. According to the door lock, the standby battery, the switch, the electromagnetic shielding cover, the rack, the teeth and other components are arranged, when the external power supply cannot be used, the standby battery is connected with the door control controller through the switch to provide the standby power supply, if the standby battery cannot be used, the lock shaft is driven to rotate through the lock cylinder, the teeth and the rack are meshed to control the lock tongue to retract into the shell, the door is opened, the door cannot be opened due to power failure or special conditions, the practicability is higher, the electromagnetic shielding cover can shield the interference of external electromagnetic waves on the lock body, and the door lock is more stable when in use.

Drawings

FIG. 1 is a schematic view of the overall structure of a magnetic door lock according to the present utility model;

FIG. 2 is a partial perspective view of a magnetic door lock of the present utility model;

FIG. 3 is a schematic view of the internal structure of a magnetic door lock according to the present utility model;

FIG. 4 is a schematic view of the internal structure of an access control assembly of a magnetic door lock according to the present utility model;

fig. 5 is a schematic circuit diagram of an access control assembly of a magnetic door lock according to the present utility model.

In the figure: 1. a door frame; 2. an access control assembly; 21. a fixing plate; 22. a protective cover; 23. an access controller; 24. a switch; 25. a standby battery; 3. a locking groove; 4. a door body; 5. a door closer; 6. a lock body; 60. a mounting plate; 61. a lock shaft; 62. a housing; 63. an electromagnetic shield; 64. a spring; 65. an electromagnet; 66. an armature plate; 67. a bolt; 68. a rack; 69. teeth; 7. a lock cylinder.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Referring to fig. 1 to 3, a magnetic door lock includes a lock body 6 and a door frame 1 for mounting the lock body 6, the lock body 6 includes a mounting plate 60 and a housing 62, an electromagnetic shield 63 is fixedly connected to an outer surface of the housing 62, a first mounting groove is provided on an inner side wall of the door frame 1, the mounting plate 60 is fixedly mounted on the inner side wall of the door frame 1 through screws, one end of the electromagnetic shield 63 is mounted in the first mounting groove, an electromagnet 65 is fixedly connected to an inner side wall of the housing 62, a through hole is provided at a center position of one side of the surface of the electromagnet 65, a spring 64 is fixedly connected to one side of the surface of the housing 62, one end of the spring 64 penetrates through the through hole and extends to an outer portion of the electromagnet 65 and is fixedly connected to an armature plate 66, an outer side wall of the armature plate 66 is in sliding connection with an inner surface of the housing 62, one side of the armature plate 66 is fixedly connected with a lock tongue 67, and one end of the lock tongue 67 is in sliding penetration and extends to an outer portion of the mounting plate 60;

The inside wall of casing 62 rotates and is connected with lock axle 61, fixedly connected with tooth 69 on the lateral wall of lock axle 61, and the top fixedly connected with rack 68 of spring bolt 67, rack 68 are corresponding with tooth 69, and the mounting hole has all been seted up to door frame 1's surface both sides, and the inside rotation of mounting hole is connected with lock core 7, and the one end of lock core 7 runs through and extends to the inside of casing 62 and is fixed connection with lock axle 61's surface one side.

As shown in fig. 1 to 5, install door closer 5 between door frame 1 and door body 4, door closer 5 can make door body 4 automatic closure, install door body 4 through the hinge on the inside wall of door frame 1, the second mounting groove has been seted up on surface one side of door body 4, the inside fixed mounting in second mounting groove has locked groove 3, locked groove 3 and spring bolt 67 assorted, electromagnetic shield 63 is made for metal copper material, can shield external electromagnetic interference, door controller 23, switch 24 and the outside common cover of backup battery 25 are equipped with protective cover 22, be fixed connection between protective cover 22 and the fixed plate 21, the one end of switch 24 runs through the outside that extends to protective cover 22, surface one side fixedly connected with backup battery 25 and switch 24 of fixed plate 21, switch 24 and backup battery 25 and door controller 23 pass through wire electric connection respectively, switch 24 can control backup battery 25 and door controller 23 switch on and provide standby power, both sides of door frame 1 all are provided with entrance guard assembly 2, electromagnetic shield 2 includes fixed plate 21, through screw fixed mounting between fixed plate 21 and the external wall, the fixed plate is connected to door controller 23 through wire 23 between the door controller 23 and the outside door controller 23, the door controller 23 is connected to the outside through wire 23 between the door controller 23, the door controller 23 is connected to the door controller 23.

When the door lock is used, the door control controller 23 controls current to the electromagnet 65, the electromagnet 65 generates suction force to attract the armature plate 66 to compress the spring 64, at the moment, the lock tongue 67 is retracted into the shell 62 from the lock groove 3, so that door opening is realized, after a person enters the door, the door closer 5 closes the door body 4, the current of the electromagnet 65 interrupts the spring 64 to drive the armature plate 66 to rebound to insert the lock tongue 67 into the lock groove 3, automatic door closing is realized, when an external power supply cannot supply power, the switch 24 is pressed down, the standby battery 25 is connected with the door control controller 23, and when the external power supply cannot be used with the standby battery 25, the lock cylinder 7 is rotated through a key to drive the lock shaft 61 to rotate, and the tooth 69 fixedly connected with the surface of the lock shaft 61 is meshed with the rack 68 fixedly connected with the surface of the lock tongue 67, so that the lock tongue 67 is controlled to retract into the shell 62, and the door opening cannot be realized due to special conditions is avoided.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A magnetic door lock, including lock body (6) and door frame (1) that are used for installing lock body (6), its characterized in that: the lock body (6) comprises a mounting plate (60) and a shell (62), wherein an electromagnetic shielding cover (63) is fixedly connected to the outer surface of the shell (62), a first mounting groove is formed in the inner side wall of the door frame (1), the mounting plate (60) is fixedly mounted on the inner side wall of the door frame (1) through screws, one end of the electromagnetic shielding cover (63) is mounted in the first mounting groove, an electromagnet (65) is fixedly connected to the inner side wall of the shell (62), a through hole is formed in the center position of one side of the surface of the electromagnet (65), a spring (64) is fixedly connected to one side of the surface of the shell (62), one end of the spring (64) penetrates through the through hole and extends to an armature plate (66) which is fixedly connected to the outer side of the electromagnet (65), the outer side wall of the armature plate (66) is in sliding connection with the inner surface of the shell (62), one end of the spring bolt (67) is in sliding penetration extension to the outer side of the mounting plate (60);

the inside wall rotation of casing (62) is connected with lock axle (61), fixedly connected with tooth (69) on the lateral wall of lock axle (61), the top fixedly connected with rack (68) of spring bolt (67), rack (68) are corresponding with tooth (69), the mounting hole has all been seted up to the surface both sides of door frame (1), the inside rotation of mounting hole is connected with lock core (7), the one end of lock core (7) runs through the inside that extends to casing (62) and is fixed connection with surface one side of lock axle (61).

2. A magnetic door lock according to claim 1, wherein: the door frame is characterized in that access control components (2) are arranged on two sides of the door frame (1), each access control component (2) comprises a fixing plate (21), the fixing plates (21) are fixedly mounted with an external wall through screws, an access control controller (23) is fixedly mounted on one side of the surface of each fixing plate (21), an electromagnet (65) is connected with the corresponding access control controller (23) through a wire, and the access control controllers (23) are connected with an external power supply through wires.

3. A magnetic door lock according to claim 2, wherein: a standby battery (25) and a switch (24) are fixedly connected to one side of the surface of the fixing plate (21), and the switch (24) is electrically connected with the standby battery (25) and the access controller (23) through wires respectively.

4. A magnetic door lock according to claim 3, wherein: the outside of entrance guard's controller (23), switch (24) and reserve battery (25) overlaps jointly and is equipped with protective cover (22), be fixed connection between protective cover (22) and fixed plate (21), the outside that extends to protective cover (22) is run through to one end of switch (24).

5. A magnetic door lock according to claim 1, wherein: the electromagnetic shielding cover (63) is made of metal copper.

6. A magnetic door lock according to claim 1, wherein: the door is characterized in that a door body (4) is arranged on the inner side wall of the door frame (1) through a hinge, a second mounting groove is formed in one side of the surface of the door body (4), a locking groove (3) is fixedly arranged in the second mounting groove, and the locking groove (3) is matched with the lock tongue (67).

7. The magnetic door lock of claim 6, wherein: a door closer (5) is arranged between the door frame (1) and the door body (4).