KR100784450B1 - Electromagnet door lock - Google Patents

Abstract

An electromagnet door lock is provided to prevent an erroneous operation of the door lock by using an electromagnet to lock the door lock according to an electrical signal. A door lock body(100) includes an electromagnet core, a controller, a housing and a cover. An installation plate(200) fixes the door lock body on a door frame or a wall. Plural small bumps and a magnetic force canceling unit are formed on a surface corresponding to the electromagnet core of the door lock body. An armature plate(300) includes a coupling hole and a permanent magnet(313). A bonding hole is formed at a center of a first bracket(400), such that the first bracket is bonded with the coupling hole of the armature plate using a coupling member. An upper surface of a second bracket(500) is coupled with a lower surface of the first bracket. A side portion of the second bracket is fixed on the door.

Description

Electromagnet door lock {Electromagnet door lock}

1 is an exploded perspective view showing an electromagnet door lock according to the present invention.

Figure 2 is a cross-sectional view of the combined electromagnetic door lock according to the present invention.

Figure 3 is an exploded perspective view showing the door lock body in the electromagnet door lock according to the present invention.

Figure 4 is a bottom perspective view of the electromagnet core of the door lock body according to the present invention.

Figure 5 is a side cross-sectional view of the electromagnet core of the door lock body according to the present invention.

6 is a perspective view of the amateur plate according to the present invention.

Figure 7 is a cross-sectional view showing the residual magnetic removal portion of the amateur plate according to the present invention.

Figure 8 is a side cross-sectional view showing another embodiment of the electromagnet door lock according to the present invention.

          Explanation of symbols on the main parts of the drawings

          10: door frame 20: door

          100: door lock body 110: electromagnet core

          120: control unit 130: housing

          140: cover 200: mounting plate

          300: amateur plate 310: fine projection surface

          311: residual magnetic removal unit 312: coupling hole

          313: permanent magnet 314: seating groove

          400: first bracket 410: coupling member

          420: fastening hole 430: coupling hole

          440,520: Uneven surface 500: Second bracket

          510: hall

The present invention relates to an electromagnet door lock, and more particularly, the automatic locking of the door is made by magnetic force generated by an electrical signal, and when the person is confirmed by card input, fingerprint or password input, the door is blocked by the electrical signal. Electromagnetic door lock for access control to release the locked state of the.

Generally, door locks are installed in doors of places such as houses, apartments, or offices to prevent unauthorized outsiders from entering the building.

Background Art Conventionally, electronic or digital door locks are used, which control doors for security and security purposes by automatically locking / closing doors by electric signals.

However, most electronic or digital door locks incorporating solenoids as a driving means of the locker may cause malfunctions of the solenoids, and the installation work is complicated, and the structure is complicated.

Accordingly, the present invention has been made to solve the fundamental problems of the prior art,

An object of the present invention is to provide an electromagnet that generates a magnetic field by the power source as a driving means of the locker to maximize the security and security by preventing malfunctions in the locking and unlocking of the door, consisting of a simple configuration of parts and assembly The purpose is to provide an electromagnet door lock with reduced cost and easy installation.

In order to achieve the above object, the present invention provides an electromagnet core having an accommodating groove capable of accommodating a first magnetic sensor for detecting the magnetization operation on one side of the rear surface thereof, and a connection connecting the first magnetic sensor of the electromagnet core. The control unit includes a control unit including a connector and a second magnetic sensor detecting whether the door is opened or closed, a housing in which the electromagnet core and the control unit are seated therein, and a cover to cover the upper surface of the housing to protect the control unit. A door lock body;

An installation plate for fixing the door lock body to a door frame or a wall;

A surface corresponding to the electromagnet core of the door lock body includes a plurality of fine protrusions and a residual magnetic removal portion, a coupling hole at the center, and a permanent magnet at one side to detect detachment from the electromagnet core. An amateur plate;

A first bracket having a fastening hole in the center to be fastened by the coupling hole and the coupling member of the amateur plate to support and fix the amateur plate;

An upper surface is coupled to the bottom surface of the first bracket, and a side surface of the second bracket is fixed to the door;

(Example)

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention as described above in more detail as follows.

1 is an exploded perspective view illustrating an electromagnet door lock according to the present invention, FIG. 2 is a cross-sectional view of a combination of the electromagnet door lock according to the present invention, and FIG. 3 is an exploded perspective view showing the main body of the door lock in the electromagnet door lock according to the present invention. 4 is a bottom perspective view of an electromagnet core of the door lock body according to the present invention, FIG. 5 is a side cross-sectional view of the electromagnet core of the door lock body according to the present invention, FIG. 6 is a perspective view of an amateur plate according to the present invention, and FIG. Fig. 8 is a cross-sectional view showing the residual magnetic field removal portion of the amateur plate according to the present invention, and Fig. 8 shows a side cross-sectional view showing another embodiment of the electromagnet door lock according to the present invention.

As can be seen from the present invention, the electromagnet core 110 having an accommodating groove 114 for accommodating the first magnetic sensor 121 for sensing the operation of magnetization on one side of the rear surface, and the electromagnet The control unit 120 is provided with a connecting connector 123 for connecting the first magnetic sensor 121 of the core 110 and the second magnetic sensor 122 for detecting whether the door 20 is opened or closed. The door lock body 100 including a housing 130 in which the electromagnet core 110 and the control unit 120 are seated therein, and a cover 140 which covers a portion of the upper surface of the housing 130 to protect the control unit 120. Wow; An installation plate 200 for fixing the door lock body 100 to a door frame 10 or a wall; On the surface corresponding to the electromagnet core 110 of the door lock body 100 is provided with a plurality of fine projection surface 310 and the residual magnetic removal portion 311, the center is provided with a coupling hole 312, one side inside It includes an amateur plate 300 having a permanent magnet 313 to detect the detachment with the electromagnet core 110; A first bracket 400 having a fastening hole 420 at the center to be fastened by the coupling hole 312 and the coupling member 410 of the amateur plate 300 to support and fix the amateur plate 300; ; An upper surface is coupled to the bottom surface of the first bracket 400 and the side surface of the second bracket 500 is fixed to the door 20;

Here, the electromagnet core 110 has a core portion 111 having a receiving groove 111a between both edges and a center in the longitudinal direction, and a coil wound around the receiving groove 111a of the core portion 111. The bobbin 112 is inserted, and the upper surface of the core portion 111 is embedded in the interior so as to protrude a predetermined interval.

At this time, the core portion 111 has a distance of 5.0 mm at both sides of the edge "a", a space of the receiving groove 111a "b" is 6.5 mm, and a space of the center "c" is 13.0 mm, which is optimal. It has an adhesive surface.

The housing 130 has a “c” shape and includes a fastening groove 131 for fixing the electromagnet core 110 on the sidewall and a withdrawal groove 132 for drawing the connecting lines of the control unit 120, both end portions. It has a fastening hole 133, and has a side closing block 135 is provided with a bolt hole 134 penetrating the inside to be bolted to the fastening hole 133 to cover both sides.

The side closing block 135 is bolted by being fitted to both ends of the housing 130, the fastening operation by supporting and guiding the fastening bolt 136 for fixing the housing 130 to the mounting plate 200 This is to make it convenient.

The mounting plate 200 may be provided in a "-" shape or may be provided in a "-" shape to be used when it is difficult to install the door lock main body 100 by the "a" shaped installation plate.

The mounting plate 200 is provided with a hole 210 or a long hole 220 corresponding to the withdrawal groove 132 provided in the housing 130 of the door lock body 100, the left and right positions of the mounting plate 200 It is provided on both sides so that even if is changed, and the side wall is provided on both sides so that the height can be adjusted.

 The plurality of micro-projections 310 provided on the surface corresponding to the electromagnet core 110 in the amateur plate 300 to mitigate the sliding phenomenon due to the magnetic field film formation.

In addition, the residual magnetic removal unit 311 is for removing the residual magnetic force remaining on the surface when the magnetic force is cut off by blocking the electrical signal.

Accordingly, a seating groove 314 is formed on the surface of the amateur plate 300, and the remaining magnetic removal unit 311 is seated and fixed on the seating groove 314 to protrude a predetermined distance from the surface of the amateur plate 300. To combine.

Coupling member 410 for fixing the amateur plate 300 and the first bracket 400 is a fastening that is fitted in the coupling hole 312 and the fastening hole 420 of the first bracket 400 of the amateur plate 300. A rubber packing is provided between the bolt 411 and the fastening bolt 411 and fixed between the coupling hole 312 of the amateur plate and the fastening hole 420 of the first bracket to provide elasticity to the amateur plate 300. 412, a washer 413 inserted into the fastening bolt 411 to support both sides of the rubber packing 412, and guide holes 414 at both ends of the armature plate 300 and the first bracket 400. It is provided with a guide pin 415 to prevent the up, down flow of the amateur plate 300 in the guide hole 414.

Therefore, the center of the amateur plate 300 is fixed, both sides are guided by the guide pin 415 is coupled to enable the front and rear flow.

The bottom surface of the first bracket 400 and the top surface of the second bracket 500 are provided with uneven surfaces 440 and 520 to enable fine adjustment step by step, and corresponding to the long hole 510 and a plurality of mutually compatible width holes. The coupling hole 430 is provided.

Referring to the combining process of the present invention made of the above configuration as follows.

First, the installation plate 200 is fixed to the door frame 10 by the fastening bolts of the "A" shaped mounting plate 200, and the connection line of the control unit 120 of the door lock body 100 is drawn out of the mounting plate 200. The door lock body 100 is fixed to the mounting plate 200 while the holes 210 or the long holes 220 are aligned to match.

The second bracket 500 is fixed to the door 20 at a point below a predetermined distance from the top of the door, and the first bracket 400 is fixed to an upper surface of the second bracket 500.

At this time, when the first bracket 400 is fixed to the upper surface, the second bracket 500 fixes the height of the first bracket 400 to be vertically parallel to the door lock body 100 fixed to the door frame 10. .

Then, the amateur plate 300 is fixed to the first bracket 400, and the guide pins 415 are completely inserted into both guide holes of the amateur plate 300, and then the coupling holes of the amateur plate 300 are attached. Insert the fastening bolt 411 into the (312) and the washer 413, rubber packing 412, washer 413 in the order of the through bolts and then fixed to the fastening hole 420 of the first bracket 400 Let's do it.

At this time, the guide pin 415 is inserted into the guide hole 414 of the first bracket 400 so that the end is caught in the guide hole 414.

When the amateur plate 300 is fixed to the first bracket 400 and the door 20 is closed, the first bracket is parallel to and in contact with the core 111 of the door lock body 100. If the fixed width by adjusting the width of the 400 and the second bracket 500, the installation is completed.

Therefore, when power is applied to the door lock body 100, the electromagnet core 110 of the door lock body 100 is coupled to the armature plate 300 by magnetic force generated by an electrical signal to lock the door 20. When the electric signal is blocked, the amateur plate 300 and the magnetic force are disconnected to release the locked state of the door 20 to control the door.

And as shown in Figure 8 as another embodiment of the present invention to fix the installation plate 200 of the "-" shape to the door frame 10, and to the door lock body 100 to the mounting plate 200 The door lock main body 100 is fixed while matching the hole 210 of the mounting plate 200 with the drawing groove 132 through which the connection line 120 of the door lock main body 100 is drawn out.

Then, the amateur plate 300 is directly fixed to the door 20 so as to be horizontal with the door lock body 100.

This coupling method is used when the installation frame 200 of the "b" shape can not be installed in the door frame 10 or when the interior space of the door frame is small.

Although the present invention has been shown and described with reference to certain preferred embodiments, the present invention is not limited to the above-described embodiments, and the general knowledge in the art to which the present invention pertains falls within the scope of the present invention. Various alternative changes and modifications will be possible by the possessor.

As described above, the present invention automatically locks the door by magnetic force generated by an electrical signal, and releases the lock state of the door by blocking the electrical signal when an accessor is confirmed by a card input, a fingerprint, or a password input. It is equipped with an electromagnet as a driving means of the locker to prevent malfunctions in the locking and unlocking of the door, thereby maximizing security and security. The simple configuration reduces parts and assembly costs and facilitates installation. The reliability is improved.

Claims (6)

An electromagnet core 110 having an accommodating groove 114 for accommodating a first magnetic sensor 121 for sensing the magnetization operation on one side of the rear surface thereof, and a first magnetic sensor of the electromagnet core 110 ( The control unit 120 is provided with a connecting connector 123 for connecting the 121 and the second magnetic sensor 122 for detecting whether the door is opened or closed, and the electromagnet core 110 and the control unit 120 therein. A door lock body 100 formed of a cover 140 that covers the housing 130 to be seated and a part of the upper surface of the housing 130 to protect the controller 120; An installation plate 200 for fixing the door lock body 100 to a door frame or a wall; On the surface corresponding to the electromagnet core 110 of the door lock body 100 is provided with a plurality of fine projection surface 310 and the residual magnetic removal portion 311, the center is provided with a coupling hole 312, one side inside It includes an amateur plate 300 having a permanent magnet 313 to detect the detachment with the electromagnet core 110; A first bracket 400 having a fastening hole 420 at the center to be fastened by the coupling hole 312 and the coupling member 410 of the amateur plate 300 to support and fix the amateur plate 300; ; The upper surface is coupled to the bottom surface of the first bracket 400, the side of the second bracket 500 is fixed to the door 20; Electromagnet door lock, characterized in that provided. The method of claim 1, The bottom surface of the first bracket 400 and the top surface of the second bracket 500 are provided with uneven surfaces 440 and 520 to enable fine adjustment step by step, and a plurality of couplings with the corresponding long holes 510 to allow space adjustment. Electromagnet door lock, characterized in that provided with a hole (430). The method of claim 1, The coupling member 410 is fitted between the fastening bolt 411 and the fastening bolt 411 and is fixed between the coupling hole 312 of the amateur plate and the fastening hole 420 of the first bracket and the amateur plate 300. A rubber packing 413 providing elasticity to the rubber packing, washers 414 supporting both sides of the rubber packing 413, and guide holes 414 at both ends of the armature plate 300 and the first bracket 400. Electromagnet door lock, characterized in that provided with a guide pin 415 to prevent the up and down flow of the amateur plate 300 in the guide hole (414). The method of claim 1, The housing 130 of the door lock main body 100 has a fastening groove 131 for fixing the electromagnet core 110 on the side wall and a withdrawal groove 132 for drawing the connecting lines of the control unit 120, and at both side ends. Electromagnet having a fastening hole 133, the side closing block 135 is provided with a bolt hole 134 penetrating the inside to be bolted to the fastening hole 133, characterized in that made to cover both sides Door lock. The method of claim 1, The electromagnet core 110 of the door lock body 100 is provided in the core portion 111 having the receiving groove 111a between both edges and the center in the longitudinal direction, and in the receiving groove 111a of the core portion 111. The bobbin 112 is wound around the coil is inserted, the electromagnet door lock, characterized in that the upper surface of the core portion 111 is embedded inside so as to project a predetermined interval. The method of claim 5 , The core portion 111 of the electromagnet core 110 has a distance of 5.0 mm at both sides of the edge “a”, a space of “b” of the accommodating grooves 111a, and a thickness of 6.5 mm. Electromagnet door lock, characterized in that made.

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