CN210264242U

CN210264242U - Electromagnet and cabinet door electromagnetic lock thereof

Info

Publication number: CN210264242U
Application number: CN201920115821.8U
Authority: CN
Inventors: 李风波
Original assignee: Dongguan Sifan Electronic Technology Co ltd
Current assignee: Dongguan Sifan Electronic Technology Co ltd
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2020-04-07
Anticipated expiration: 2029-01-22

Abstract

The utility model provides an electro-magnet and cabinet door electromagnetic lock thereof, electro-magnet, including circular telegram line, through shaft coupling and movable core fixed connection's banking pin, yoke, pin joint at the rotating barrier of yoke both sides, parcel coil skeleton's coil, joint mounting panel, spring, circlip and magnet on the yoke. The electromagnet comprises a movable iron core, a groove is formed in the middle of the movable iron core, the elastic retainer ring is clamped in the groove, the magnet is arranged inside one side of the movable iron core, and the mounting plate is provided with a circular step. The spring cup joints movable iron core, and one end butt circlip, the other end butt is in the circular step of mounting panel. The coil is electrically connected with the electrifying wire and is fixedly arranged in the yoke and the mounting plate. The utility model discloses increase the back of banking pin, also can be simultaneously along with inertial motion because of the dog to block the banking pin and let rather than fixed connection's movable core can not move again. The mounting plate upper cover increases the ring boss to make the spring position off tracking.

Description

Electromagnet and cabinet door electromagnetic lock thereof

Technical Field

The utility model relates to an electro-magnet technical field specifically, relates to an electro-magnet and cabinet door electromagnetic lock thereof.

Background

The utility model relates to an electromagnetic lock mainly produces magnetic force through electromagnetic element and changes, when this electromagnetic element does not produce magnetic force, utilize an elastic element to push away the block post to on the idle running position, make the lock core of the unable rotatory electromagnetic lock of door knob, only produce the ring gasket of magnetic force in order to attract the magnetic conduction material at this electromagnetic element, make this ring gasket push away the block post to when acting position, the door knob just can rotate the lock core of electromagnetic lock, and drive the spring bolt that sets up on it, in order to open the door plant that this electromagnetic lock set firmly.

The existing door lock has very small tolerance allowed between mechanical components because the mechanical structures are combined in a narrow space, and the door lock is combined by the mechanical structures and tightly clamped with each other, so that the longer the door lock is used, the more friction between the mechanical components is, the more easily the door lock structure is changed, the unsmooth operation is not realized, even the function is lost, the unsmooth opening or locking is not realized, and the trouble of a user is caused. When the pivot stop block of the existing electromagnetic lock falls and shakes with gravity, the movable iron core can overcome the elastic force of the spring to move inwards along with inertia, so that the locking of a product is disabled. The spring is easy to deviate, so that the elastic action of the spring is not in place.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an electromagnet and cabinet door electromagnetic lock thereof increases the stop pin back, because of the dog also can be along with inertial motion simultaneously to block the stop pin and let rather than fixed connection's movable core can not move again. The mounting plate upper cover increases the ring boss to make the spring position off tracking.

The technical scheme of the utility model as follows:

an electromagnet comprises an electrified wire, a limit nail fixedly connected with a movable iron core through a coupler, a yoke, rotary baffles pivoted on two sides of the yoke, a coil wrapping a coil framework, a mounting plate clamped on the yoke, a spring, an elastic retainer ring and a magnet; a groove is formed in the middle of the movable iron core, the elastic retainer ring is clamped with the groove, the magnet is arranged inside one side of the movable iron core, and the mounting plate is provided with a circular step; the spring is sleeved with the movable iron core, one end of the spring is abutted to the elastic check ring, and the other end of the spring is abutted to the inside of the circular step of the mounting plate; the electrified wire is electrically connected with the coil, and the coil is fixedly arranged in the yoke and the mounting plate.

Preferably, the assembly of the movable iron core and the limit pin is movably connected with the coil; two extending columns are arranged above the rotating baffle, and a gap is arranged between the two extending columns; when the coil is electrified, the extension column is abutted to the yoke, and the rotary baffle blocks the telescopic motion of the limiting nail.

Preferably, an electromagnetic lock for a cabinet door comprises: the electromagnetic lock comprises a shell, a door handle arranged on the shell, and the electromagnet, a lock bolt assembly, a PCB industrial control board and a battery which are arranged in the shell respectively; the movable iron core of the electromagnet is arranged at the inner side close to the protruding block of the lock plunger assembly, one end of the door handle is clamped with the lock plunger assembly, one end of the lock plunger assembly penetrates through the shell, and the other end of the lock plunger assembly is fixedly connected with the shell.

Preferably, the door handle comprises a door handle, a pivoting seat, a rubber ring, a gasket, a locking nut, a rotating block and a locking screw; the tail end of the door handle is provided with a convex block, the tail end of the door handle is pivoted with the pivoting seat through the rubber ring, the gasket is fixedly connected below the pivoting seat through the locking nut, the rotating block is provided with a groove for accommodating the convex block at the tail end of the door handle, and the rotating block is fixedly connected with the door handle through the locking screw.

Preferably, the lock bolt assembly comprises a flange, a fixed end, a return spring sleeved on the fixed end, a notch arranged on the flange, a movable end and a lock shaft limit arranged on one side of the movable end; one end of the return spring is abutted against the flange, and the other end of the return spring is abutted against the shell; the center of the movable end is provided with a hole capable of accommodating the fixed end; the notch is clamped with the rotating block; the extending length of the movable iron core is equal to the limit round chamfer boundary of the lock shaft.

Preferably, the PCB industrial control board is provided with an indicator lamp, and the electromagnet and the battery are electrically connected with the PCB industrial control board.

The utility model has the advantages that: the utility model discloses increase the back of banking pin, also can be simultaneously along with inertial motion because of the dog to block the banking pin and let rather than fixed connection's movable core can not move again. The mounting plate upper cover increases the ring boss to make the spring position off tracking.

Description of the drawings:

fig. 1 is a perspective view of an electromagnet and a cabinet door electromagnetic lock thereof according to the present invention;

FIG. 2 is an electromagnet explosion diagram of the electromagnet and the electromagnetic lock of the cabinet door;

fig. 3 is a perspective view of the electromagnetic lock of the cabinet door of the electromagnet and the electromagnetic lock of the cabinet door thereof according to the present invention;

fig. 4 is a schematic structural view of the electromagnetic lock of the cabinet door of the electromagnet and the electromagnetic lock of the cabinet door thereof according to the present invention;

fig. 5a is a front view of a door handle of a cabinet door electromagnetic lock of the electromagnet and the cabinet door electromagnetic lock thereof according to the present invention;

fig. 5b is a sectional view of the door handle of the electromagnetic lock of the cabinet door and the electromagnetic lock of the electromagnet of the present invention;

figure 6 is the cabinet door electromagnetic lock door handle explosion diagram of electro-magnet and cabinet door electromagnetic lock thereof.

Reference numerals

The electromagnetic locking device comprises an electromagnet 10, an electrified wire 11, a limit nail 12, a rotating baffle 13, a yoke 14, a coupler 15, a coil framework 16, a coil 17, a mounting plate 18, a spring 19, a movable iron core 110 elastic retainer ring 111, a magnet 112, a door handle 20, a door handle 21, a pivoting seat 22, a rubber ring 23, a gasket 24, a locking nut 25, a rotating block 26, a locking screw 27, a locking bolt assembly 30 and a movable locking column 30, wherein the movable locking column 30 comprises a flange 31, a return spring 32, a fixed end 33, a notch 34, a locking shaft limit 35, a movable end 36, a PCB industrial control board 40, a shell 50 and a battery 60.

Detailed Description

In order to make the utility model discloses a utility model purpose, technical scheme and technological effect are more clear and are understood, and it is right to combine specific embodiment below the utility model discloses do further explanation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, an electromagnet 10 includes an electrified wire 11, a limit pin 12 fixedly connected with a movable iron core 110 through a coupler 15, a yoke 14, rotating baffles 13 pivoted at two sides of the yoke 14, a coil 17 wrapping a coil framework 16, a mounting plate 18 clamped on the yoke 14, a spring 19, an elastic retainer ring 111 and a magnet 112. A groove is formed in the middle of the movable iron core 110, the elastic retainer ring 111 is connected with the groove in a clamping mode, the magnet 112 is arranged inside one side of the movable iron core 110, and the mounting plate 18 is provided with a circular step. The spring 19 is sleeved on the movable iron core 110, one end of the spring is abutted against the elastic retainer ring 111, and the other end of the spring is abutted against the circular step of the mounting plate 18. The current carrying wire 11 is electrically connected to the coil 17, and the coil 17 is fixedly disposed in the yoke 14 and the mounting plate 18.

The assembly of the movable iron core 110 and the limit pin 12 is movably connected with the coil 17. Two extending columns are arranged above the rotating baffle 13, and a gap is arranged between the two extending columns. When the coil 17 is electrified, the extension column is abutted to the yoke 14, and the rotary baffle 13 blocks the telescopic motion of the limit pin 12.

Referring to fig. 3 and 4, an electromagnetic lock for a cabinet door includes: the door handle assembly comprises a shell 50, a door handle 20 arranged on the shell 50, and an electromagnet 10, a latch assembly 30, a PCB industrial control board 40 and a battery 60 which are respectively arranged in the shell 50. The electromagnetic lock is characterized in that the movable iron core 110 of the electromagnet 10 is arranged at the inner side close to the convex block of the lock bolt assembly 30, one end of the door handle 20 is clamped with the lock bolt assembly 30, one end of the lock bolt assembly 30 penetrates through the shell 50, and the other end is fixedly connected with the shell 50.

The lock bolt assembly 30 comprises a flange 31, a fixed end 33, a return spring sleeved on the fixed end 33, a notch 34 arranged on the flange 31, a movable end 36 and a lock shaft limit 35 arranged on one side of the movable end 36. One end of the return spring 32 abuts against the flange 31, and the other end abuts against the housing 50. The center of the movable end 36 is provided with a hole capable of containing the fixed end 33, the notch 34 is connected with the rotating block 26 in a clamping mode, and the extending length of the movable iron core 110 is equal to the round chamfer boundary of the lock shaft limiting 35.

An indicator light is arranged on the PCB industrial control board 40, and the electromagnet 10 and the battery 60 are electrically connected with the PCB industrial control board 40.

Referring to fig. 5a, 5b and 6, the door handle 20 includes a handle grip 21, a pivot base 22, a rubber ring 23, a washer 24, a lock nut 25, a turning block 26 and a lock screw 27. The tail end of the door handle 21 is provided with a convex block, the tail end of the door handle 21 is pivoted with the pivot seat 22 through the rubber ring 23, the gasket 24 is fixedly connected below the pivot seat 22 through the locking nut 25, the rotating block 26 is provided with a groove for accommodating the convex block at the tail end of the door handle 21, and the rotating block 26 is fixedly connected with the door handle 21 through the locking screw 27.

When the magnetic card senses that the indicator light is not on, the electromagnet 10 is not attracted, the door handle 20 is twisted, the handle rotates to drive the rotating block 26 to be separated from the notch 34 of the movable lock bolt 30, and the lock bolt is pulled. When the magnetic card does not sense, the indicator light is on, the door handle 20 is twisted, the handle is rotated to drive the rotating block 26 to be separated from the notch 34 of the movable lock bolt 30, and the movable iron core 110 blocks the movement of the lock shaft limit 35, so that the lock bolt cannot be pulled.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims

1. An electromagnet comprises an electrified wire (11), a limit nail (12) fixedly connected with a movable iron core (110) through a coupler (15), a yoke (14), rotating baffles (13) pivoted on two sides of the yoke (14), a coil (17) wrapping a coil framework (16), a mounting plate (18) clamped on the yoke (14), a spring (19), an elastic retainer ring (111) and a magnet (112); the magnetic iron core is characterized in that a groove is formed in the middle of the movable iron core (110), the elastic retainer ring (111) is clamped with the groove, the magnet (112) is arranged inside one side of the movable iron core (110), and the mounting plate (18) is provided with a circular step; the spring (19) is sleeved with the movable iron core (110), one end of the spring is abutted to the elastic retainer ring (111), and the other end of the spring is abutted to the inside of the circular step of the mounting plate (18); the energizing wire (11) is electrically connected with the coil (17), and the coil (17) is fixedly arranged in the yoke (14) and the mounting plate (18).

2. Electromagnet according to claim 1, characterized in that the assembly of the movable core (110) and the limit pin (12) is movably connected to the coil (17); two extending columns are arranged above the rotating baffle (13), and a gap is arranged between the two extending columns; when the coil (17) is electrified, the extension column is abutted to the yoke (14), and the rotary baffle (13) blocks the telescopic motion of the limit nail (12).

3. An electromagnetic lock for a cabinet door, comprising: a housing (50), a door handle (20) mounted on the housing (50), an electromagnet (10) according to any one of claims 1-2, a latch assembly (30), a PCB industrial control board (40) and a battery (60) respectively disposed in the housing (50); the novel door lock is characterized in that a movable iron core (110) of the electromagnet (10) is arranged on the inner side close to a protruding block of the lock bolt assembly (30), one end of the door handle (20) is clamped with the lock bolt assembly (30), one end of the lock bolt assembly (30) penetrates through the shell (50), and the other end of the lock bolt assembly (30) is fixedly connected with the shell (50).

4. The electromagnetic lock for the cabinet door according to claim 3, wherein the door handle (20) comprises a door handle (21), a pivot seat (22), a rubber ring (23), a gasket (24), a locking nut (25), a rotating block (26) and a locking screw (27); the tail end of the door handle (21) is provided with a convex block, the tail end of the door handle (21) is connected with the pivot seat (22) in a pivoted mode through the rubber ring (23), the gasket (24) is fixedly connected with the lower portion of the pivot seat (22) through the locking nut (25), the rotating block (26) is provided with a groove for containing the convex block at the tail end of the door handle (21), and the rotating block (26) is fixedly connected with the door handle (21) through the locking screw (27).

5. The electromagnetic lock for the cabinet door according to claim 4, wherein the latch assembly (30) comprises a flange (31), a fixed end (33), a return spring (32) sleeved on the fixed end (33), a notch (34) arranged on the flange (31), a movable end (36) and a latch shaft limit (35) arranged on one side of the movable end (36); one end of the return spring (32) is abutted against the flange (31), and the other end of the return spring is abutted against the shell (50); the center of the movable end (36) is provided with a hole capable of accommodating the fixed end (33); the notch (34) is clamped with the rotating block (26); the protruding length of the movable iron core (110) is equal to the round chamfer boundary of the lock shaft limit (35).

6. The electromagnetic lock for the cabinet door according to any one of claims 3 to 5, wherein an indicator light is arranged on the PCB industrial control board (40), and the electromagnet (10) and the battery (60) are electrically connected with the PCB industrial control board (40).