CN216690719U

CN216690719U - High magnetic force lock of security

Info

Publication number: CN216690719U
Application number: CN202122937499.7U
Authority: CN
Inventors: 黄发
Original assignee: Fuzhou Lize Intelligent Technology Co ltd
Current assignee: Fuzhou Lize Intelligent Technology Co ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2022-06-07
Anticipated expiration: 2031-11-27

Abstract

The utility model discloses a magnetic lock with high safety, belonging to the technical field of magnetic locks, the key points of the technical proposal are that the magnetic lock comprises a door frame, the left end of the front end surface of the door frame is movably provided with a door plate through a torsion spring, the upper end of the inner side of the door plate is embedded with an iron block, so when the magnetic lock body is powered off, a first electromagnet loses suction force and two second electromagnets lose magnetism, at the moment, a moving rod pulls a support plate to move downwards due to gravity to enable the moving rod to move downwards to be clamped into limit holes on two limit rods, the positions of the limit rods can be fixed to prevent the door plate from moving, the door locking effect is achieved, a standby power supply is arranged in a standby power supply box, a circuit is switched on, then the first electromagnet and the two second electromagnets are powered on to recover the magnetic force, the magnetic force of the two second electromagnets enables the support plate to adsorb a column, so that the support plate returns to the original position, and the magnetic lock body can be normally used, the safety performance of the magnetic lock is improved.

Description

High magnetic force lock of security

Technical Field

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

Background

The design of electromagnetic lock (or called magnetic lock) is the same with the electro-magnet, utilizes the principle of electromagnetism, and when the electric current passed through the silicon steel sheet, the electromagnetic lock can produce powerful suction and tightly holds the effect that adsorbs iron plate and reach the lock door, as long as little electric current electromagnetic lock will produce magnetic force big enough, cuts off the power supply promptly after the access control system discernment personnel of control electromagnetic lock power is correct, and the electromagnetic lock loses suction and can open the door.

The existing magnetic lock can not be used when power is off, a door can not be normally locked, the safety performance is low, great inconvenience is caused, and the indoor property safety is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a magnetic lock with high safety to solve the problems.

The magnetic lock with high safety comprises a door frame, wherein a door plate is movably arranged at the left end of the front end face of the door frame through a torsion spring, an iron block is embedded and arranged at the upper end of the inner side of the door plate, two limiting rods which are distributed left and right are fixedly arranged on the outer side wall of the iron block, and an installation groove is formed in the upper end of the front end face of the door frame; the magnetic lock body is arranged in the mounting groove and used for locking the door frame and the door panel.

In order to achieve the purpose of locking a door, the magnetic lock with high safety is preferably used as the magnetic lock with high safety, the magnetic lock body comprises a control box and a lock block, a standby power supply box is embedded and installed at the left end of the front end face of the control box, a controller is fixedly installed at the right end inside the control box, the lock block is fixedly installed at the bottom end face of the control box, a first electromagnet is embedded and installed at the front end face of the lock block, two second electromagnets distributed left and right are fixedly installed at the upper end face inside the lock block, a support plate is installed at the bottom end face of each second electromagnet, and a moving rod is fixedly installed in the middle of the bottom end face of the support plate.

In order to prevent the magnetic lock from falling to the bottom of the lock block, the magnetic lock with high safety is preferably used, spring pieces are fixedly connected to the left end and the right end of the upper end face of the supporting plate, and the top ends of the two spring pieces are fixedly connected with the top end face in the lock block.

In order to facilitate the two limiting rods on the iron block to move into the locking block through the two through holes respectively, the magnetic lock with high safety is preferably characterized in that the front end face of the locking block is provided with two through holes distributed left and right in a penetrating manner, and the two through holes are opposite to the two limiting rods respectively.

In order to facilitate the moving rod to fall into the limiting hole, it is preferable that the upper end surface of the limiting rod is provided with a limiting hole in a penetrating manner as the magnetic lock with high safety.

In order to facilitate observation of whether the magnetic lock body is electrified, it is preferable that an indicator lamp is installed at the right end of the front end surface of the control box.

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

the magnetic lock with high safety is characterized in that when a door panel is closed, a first electromagnet is electrified to generate magnetic force to firmly adsorb an iron block, a support plate is tightly adsorbed by the magnetic force generated by electrifying two second electromagnets, so that a moving rod is suspended inside the lock block, a magnetic lock body is in a normal locking state, when the first electromagnet and the iron block are in the locking state, two limiting rods on the iron block move to the inside of the lock block through holes, when the magnetic lock body is powered off, the first electromagnet loses suction force, a door cannot be normally locked at the moment, and because the two second electromagnets lose magnetism, the moving rod pulls the support plate to move downwards due to gravity, so that the moving rod moves downwards to be clamped into the limiting holes on the two limiting rods, the positions of the limiting rods can be fixed, the door panel is prevented from moving, the purpose of locking the door is achieved, and then a standby power box is opened, install stand-by power supply in the stand-by power supply box, the switch-on circuit, first electro-magnet and two second electro-magnets circular telegrams after that resume magnetic force, make the magnetic force of two second electro-magnets adsorb the post with the backup pad, make it return the normal position to magnetic lock body can normally use, improves the security performance of magnetic lock.

Drawings

FIG. 1 is a diagram of a magnetic lock according to the present invention with high security;

FIG. 2 is a top view of the iron block of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of the magnetic lock body of FIG. 1 according to the present invention.

In the figure, 1, a door frame; 101. a door panel; 102. mounting grooves; 2. a magnetic lock body; 201. a control box; 2011. a standby power supply box; 202. a locking block; 2012. an indicator light; 2013. a controller; 3. a first electromagnet; 4. a through hole; 401. a second electromagnet; 402. a support plate; 403. a travel bar; 404. a spring member; 5. an iron block; 501. a limiting rod; 502. and a limiting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-3, a magnetic lock with high safety comprises a door frame 1, wherein a door plate 101 is movably mounted at the left end of the front end surface of the door frame 1 through a torsion spring, an iron block 5 is embedded and mounted at the upper end of the inner side of the door plate 101, two limiting rods 501 distributed left and right are fixedly mounted on the outer side wall of the iron block 5, and a mounting groove 102 is formed in the upper end of the front end surface of the door frame 1; and a magnetic lock body 2, wherein the magnetic lock body 2 is installed inside the installation groove 102 and is used for locking the door frame 1 and the door panel 101.

In this embodiment: when closing door plant 101, through promoting door plant 101 and removing to door frame 1, because magnetic lock body 2 is in the on-state this moment, first electro-magnet 3 circular telegram produces magnetic force, firmly adsorbs iron plate 5, prevents that door plant 101 from removing to lock door plant 101.

As a technical optimization scheme of the present invention, the magnetic lock body 2 includes a control box 201 and a lock block 202, a standby power supply box 2011 is embedded and installed at the left end of the front end face of the control box 201, a controller 2013 is fixedly installed at the right end inside the control box 201, the lock block 202 is fixedly installed at the bottom end face of the control box 201, a first electromagnet 3 is embedded and installed at the front end face of the lock block 202, two second electromagnets 401 distributed left and right are fixedly installed at the upper end face inside the lock block 202, a support plate 402 is installed at the bottom end face of the second electromagnet 401, and a moving rod 403 is fixedly installed at the middle part of the bottom end face of the support plate 402.

In this embodiment: when closing door plant 101, make iron plate 5 and the contact of first electro-magnet 3, make the magnetic force of first electro-magnet 3 firmly adsorb iron plate 5, because two second electro-magnets 401 circular telegrams produce magnetic force and tightly hold backup pad 402, make carriage release lever 403 hang in the inside of locking piece 202, when the outage, first electro-magnet 3 loses suction, unable normal lock door this moment, this moment because two second electro-magnets 401 also lose magnetism, backup pad 402 receives the gravity downstream of carriage release lever 403, thereby make carriage release lever 403 move down and block in the spacing hole 502 on two gag lever posts 501, can fix the position of gag lever post 501, prevent that door plant 101 from removing, reach the purpose of locking the door.

As a technical optimization scheme of the utility model, spring pieces 404 are fixedly connected to the left end and the right end of the upper end face of the support plate 402, and the top ends of the two spring pieces 404 are fixedly connected with the top end face inside the lock block 202.

In this embodiment: by providing the spring member 404, when the support plate 402 is not attracted by magnetic force, it moves downward, stretching the spring member 404, and the stretched pulling force of the spring member 404 prevents it from falling to the bottom of the lock block 202.

As a technical optimization scheme of the present invention, two through holes 4 distributed left and right are formed through the front end surface of the lock block 202, and the two through holes 4 are respectively opposite to the two position-limiting rods 501.

In this embodiment: through setting up two through-holes 4 relative with two gag lever post 501's position, when closing door plant 101, first electro-magnet 3 with adsorb locking with iron plate 5, two gag lever posts 501 on the iron plate 5 of being convenient for remove the inside to locking piece 202 through two through-holes 4 respectively.

As a technical optimization scheme of the utility model, a limiting hole 502 is formed in the upper end face of the limiting rod 501 in a penetrating manner.

In this embodiment: by providing the limiting hole 502, when the moving rod 403 falls, the moving rod 403 can fall into the limiting hole 502 conveniently.

As a technical optimization scheme of the present invention, an indicator 2012 is installed at the right end of the front end surface of the control box 201.

In this embodiment: by providing the indicator lamp 2012, it is convenient to observe whether the magnetic lock body 2 is energized.

The working principle and the using process of the utility model are as follows: firstly, electrifying the magnetic lock body 2, conveniently observing whether the magnetic lock body 2 is electrified through the indicator lamp 2012, then pushing the door panel 101 to move towards the door frame 1 to close the door panel 101, electrifying the first electromagnet 3 to generate magnetic force to firmly adsorb the iron block 5, because the two second electromagnets 401 are electrified to generate magnetic force to tightly adsorb the support plate 402, the moving rod 403 is suspended inside the lock block 202, the magnetic lock body 2 is in a normal locking state, when the first electromagnet 3 and the iron block 5 are in the locking state, the two limit rods 501 on the iron block 5 are moved to the inside of the lock block 202 through the two through holes 4, when the magnetic lock body 2 is powered off, the first electromagnet 3 loses the attraction force, the door cannot be normally locked, because the two second electromagnets 401 lose magnetism, the moving rod 403 pulls the support plate 402 to move downwards due to gravity, impel the carriage release lever 403 to move down and block in the spacing hole 502 on two gag lever posts 501, can fix the position of gag lever post 501, prevent that door plant 101 from removing, reach the purpose of locking the door, open stand-by power supply box 2011 after that, install stand-by power supply in stand-by power supply box 2011, the switch-on circuit, first electro-magnet 3 and two second electro-magnets 401 circular telegram after that resume magnetic force, impel two second electro-magnets 401's magnetic force with backup pad 402 adsorption columns, make it return to the normal position, thereby magnetic lock body 2 can normally use.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A magnetic lock with high safety is characterized by comprising:

the door comprises a door frame (1), wherein a door plate (101) is movably mounted at the left end of the front end face of the door frame (1) through a torsion spring, an iron block (5) is embedded into the upper end of the inner side of the door plate (101), two limiting rods (501) distributed left and right are fixedly mounted on the outer side wall of the iron block (5), and a mounting groove (102) is formed in the upper end of the front end face of the door frame (1);

the magnetic lock comprises a magnetic lock body (2), wherein the magnetic lock body (2) is installed inside the installation groove (102) and used for locking the door frame (1) and the door panel (101).

2. A magnetic lock with high security according to claim 1, wherein: magnetic force lock body (2) are including control box (201) and locking piece (202), reserve power supply box (2011) is installed in the left end embedding of terminal surface before control box (201), the inside right-hand member fixed mounting of control box (201) has controller (2013), locking piece (202) fixed mounting is in the bottom face of control box (201), first electro-magnet (3) are installed in the preceding terminal surface embedding of locking piece (202), the inside up end fixed mounting of locking piece (202) has second electro-magnet (401) of two left and right sides distributions, backup pad (402) are installed to the bottom face of second electro-magnet (401), the middle part fixed mounting of backup pad (402) bottom face has carriage release lever (403).

3. A magnetic lock with high security according to claim 2, wherein: the spring piece (404) is fixedly connected to the left end and the right end of the upper end face of the supporting plate (402), and the top ends of the spring pieces (404) are fixedly connected with the top end face inside the locking block (202).

4. A magnetic lock with high security according to claim 2, wherein: two through holes (4) distributed from left to right are formed in the front end face of the locking block (202) in a penetrating mode, and the two through holes (4) are opposite to the positions of the two limiting rods (501) respectively.

5. A magnetic lock with high security according to claim 1, wherein: the upper end face of the limiting rod (501) is provided with a limiting hole (502) in a penetrating mode.

6. A magnetic lock with high security according to claim 2, wherein: and an indicator lamp (2012) is installed at the right end of the front end face of the control box (201).