KR100524594B1 - Automatic door locking device - Google Patents

Abstract

The present invention discloses a door automatic locking device. The disclosed door automatic locking device includes an automatic door opening and closing device including a plurality of opening and closing devices, the key opening and closing device; A dial key opening and closing device adjacent to the key opening and closing device; It is mounted to interlock with the key opening and closing device, the main bracket provided on both sides of the main bracket having a first and second clasps at both ends, each of which has a locking function by moving left and right according to the rotation of the front or rear rotary knob, And an auxiliary bracket having a first inclined surface at a predetermined position and having a locking protrusion adjacent to the first inclined surface, and a second corresponding to the first inclined surface so as to slide up and down according to left and right movement of the auxiliary bracket. An opening / closing unit having an inclined surface at the top and including a locking bracket for releasing the locking state by drawing the rocker bottom of the key opening / closing box; An auxiliary switch adjacent to the opening / closing unit, the auxiliary switch being capable of manually releasing the locking state by pulling the bottom of the rocker of the opening / closing unit by sliding movement with the locking bracket; And a door lower opening / closing device that is integrally mounted to the other end of the main bracket to automatically block a gap between the door and the floor according to whether the opening / closing unit is locked.

Description

Door automatic locking device {AUTOMATIC DOOR LOCKING DEVICE}

The present invention relates to a door automatic locking device which is mounted for the security and protection of hotels, companies, buildings, shopping malls, manufacturing industry, etc., in particular, does not require a spare key, doors that can open and close the door quickly in an emergency disaster Relates to an automatic locking device.

Typically, a door installed indoors and outdoors or between a room and a room may be divided into a "sliding way" for moving the door to the left and right to open and close it, and a "opening way" for opening and closing the door to rotate. The sliding method is a structure in which the rail is installed on the bottom surface and a roller is installed at the lower end of the door to open and close the roller by moving the slandies on the rail. On the other hand, the opening and closing method is a door and the door frame is coupled by the hinge device is a structure that the door is rotated and opened around the rotation axis provided by the hinge device.

The opening door is essentially provided with a switchgear, and in particular, due to the development of the electronic industry, not only the dial key switchgear, but also a digital key switchgear or a fingerprint recognition switchgear. Known dial key opening and closing device is to release the lock state by providing the password by dial rotation operation, digital key opening and closing device is a method of releasing the lock state by pressing the password key operation. In addition, the fingerprint recognition switch means a method of releasing a locked state by touching a fingerprint to a predetermined sensor. Many of these conventional locking devices will be readily understood by those of ordinary skill in the art.

In addition, by opening and closing the door of the door, the door is not opened and closed well when the bottom of the door touches the bottom surface, the door or the bottom surface is damaged when the door is opened or closed by excessive force, so that the separate The door opening and closing device is mounted on the door.

However, the conventional single dial opening and closing device is very inconvenient to use, and it is a reality that there are disadvantages, especially when the door needs to be opened and closed quickly.

In addition, a conventional digital key lock device or fingerprint lock device should be opened and closed with a separate spare key in the event of power consumption or failure of the battery, or an AS should be received when a separate spare key is lost. Inconvenient problem of waiting outside door for a long time.

Moreover, the conventional digital key method or the fingerprint lock device is embarrassed in the event of a fire or an emergency, and the manual rotation knob cannot be turned accurately, which causes an increase in death accidents.

The present invention has been made to solve the above-mentioned conventional problems, an object of the present invention is to provide a dial key opening device, a digital key opening device, an auxiliary opening and closing device in the key box integrally, the door in the event of battery consumption or failure In providing a locking device that can be opened and closed.

Another object of the present invention is to provide a locking device that does not require a separate spare key when the battery is consumed or broken.

Still another object of the present invention is to provide a locking device interlocked with a door opening / closing operation.

Still another object of the present invention is to provide a locking device for convenient opening and closing of a door in case of fire or emergency.

In order to achieve the above object, the present invention provides a door automatic opening and closing device comprising a plurality of opening and closing device,

Key opening and closing device;

A dial key opening and closing device adjacent to the key opening and closing device;

It is mounted to interlock with the key opening and closing device, the main bracket provided on both sides of the main bracket having a first and second clasps at both ends, each of which has a locking function by moving left and right according to the rotation of the front or rear rotary knob, And an auxiliary bracket having a first inclined surface at a predetermined position and having a locking protrusion adjacent to the first inclined surface, and a second corresponding to the first inclined surface so as to slide up and down according to left and right movement of the auxiliary bracket. An opening / closing unit having an inclined surface at the top and including a locking bracket for releasing the locking state by drawing the rocker bottom of the key opening / closing box;

An auxiliary switch adjacent to the opening / closing unit, the auxiliary switch being capable of manually releasing the locking state by pulling the bottom of the rocker of the opening / closing unit by sliding movement with the locking bracket; And

It is mounted to the other end of the main bracket integrally interlocked and consists of a door lower opening and closing device that automatically blocks the gap between the door and the floor depending on whether the opening and closing unit is locked.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention; In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

1 to 4, the door automatic locking device according to the present invention is the door opening and closing box 300 over the front and rear surfaces 210a, 210b of the door 210 rotatably installed in a conventional door frame 200. Is mounted, a conventional front door handle 212 and the rear door handle 214 is mounted. The user opens and closes the door by rotating the normal front and rear door handles 212 and 214.

The door opening / closing box 300 according to the present invention will be described in detail later. However, the opening / closing unit, the dial key opening and closing device 310, the key opening and closing device 312, the auxiliary opening and closing device 53, and the auxiliary locking device and the lower door opening and closing device are integrated. It is mounted in the opening and closing box to be configured to interlock with each other. 1 shows a front rotary knob 212, a dial key switch 310, a key switch 312, and FIG. 2 shows a rear rotary knob 214 and an auxiliary switch 53. In addition, the ventilation hole 220 is further provided at a predetermined position of the door, and is configured to ventilate the interior and exterior. 1 and 2, the cover for protecting the opening and closing box 300 is not shown, the vent 220 is opened and closed by sliding movement up and down by the cover 221. At this time, the ventilation hole 220 is provided with a insect screen and a security window, the ventilation hole need not be limited to the cover 221 is moved in the vertical direction, the cover may be configured to be movable sliding left and right.

Meanwhile, as shown in FIG. 3, the door automatic locking device according to the present invention is limited to being mounted in the order of the front handle 212, the dial key opening and closing device 310, and the key opening and closing device 312 based on the front of the door. It should be noted that they may be mounted in the order of the front knob, key switch, and dial key switch. The dial key opening and closing device and the key opening and closing device can be easily modified by those skilled in the art.

1 to 6, the door automatic locking device according to the present invention is a dial key opening and closing device 310, key opening and closing device 312, opening and closing unit, auxiliary switchgear 53, release lock device 54 And the door lower opening and closing device 55 are integrally interlocked with each other in the opening and closing box. In addition, the components are interlocked to operate in a rotational movement or a linear movement, the user is a device that can conveniently open and close the door in an emergency or emergency situation.

5 and 6, the automatic door opening and closing device according to the present invention is an electronic box containing a release lock device 54, a door lower opening and closing device 55, a battery box 16, various circuits ( 14), the dial key switch box 12, the key switch box 10, the levers L1 and L2 of the front and rear rotary knobs, the switch unit and the auxiliary switch unit 53 provided in conjunction with the key switch device Are arranged sequentially. 5 and 6, only the boxes 12 and 10 of the key opening and closing device 310 and the dial key opening and closing device 312 are shown.

The locking device according to the present invention may provide the locked state of the door by using the dial key open / close device 310, the key opener 312, and the auxiliary switch 53, and release the locked state.

The key opening and closing device 312 is unlocked by entering a password in response to a pressing operation of a plurality of keys. In addition, the dial key opening and closing device 310 is also locked or released by the dial rotation operation. That is, when the dial is rotated a plurality of times in the dial key box 12 to match the password, the locker 12a is locked and the locked state is released.

On the other hand, if the dial is rotated many times, the rocker 12a is drawn out and locked. In addition, when the key opening and closing device 312 also inputs a password on the same principle, the upper end of the locker 10a is retracted, and the latches 101 and 102 thereof can be released.

The structure of the opening and closing unit interlocked with the key opening and closing device 312 will be described in detail with reference to FIGS. 5 and 6. As shown in Figure 5, Figure 6, the opening and closing unit is composed of a mutual interlocking relationship of a plurality of brackets. Specifically, the opening and closing unit of the door according to the left and right movement of the main bracket 100 and the left and right of the main bracket 100 to move left and right according to the rotation of the front rotary knob or rear rotary knob mounted on the front or rear of the door. First and second clasps 101 and 102 mounted at respective ends of the main bracket 100 to release the locking or locking state, and a locking bracket for vertically sliding movement according to the movement of the main bracket 100 ( 150 and an auxiliary bracket 100 mounted on the main bracket 100 to which movement is restricted by the rocker 10a. At this time, the opening and closing unit is interlocked with the auxiliary locking device 54 connected to the other end of the main bracket 100 and the lower door opening and closing device which moves up and down according to the movement of the main bracket.

The front rotary knob 212 or the rear rotary knob 214 is rotatably mounted by hinge shafts H2 and H1, respectively, and the front rotary knob 212 or the rear rotary knob 214 is lever L2, respectively. , L1), and are interlocked with the main bracket 100 and the auxiliary bracket 110 by the respective levers L2 and L1. The lever L2 of the front rotary knob is interlocked with the main bracket 100, and the lever L1 of the rear rotary knob is interlocked with the auxiliary bracket 110. That is, when the front rotary knob is rotated, its rotational force is transmitted to the main bracket 100 via the lever L2, and when the rear rotary knob is rotated, its rotational force is passed through the lever L2. Is delivered to the auxiliary bracket (110).

The interlocking relationship is formed with a long hole formed in each of the levers L2 and L1, and the long hole is formed as a mutual relationship between a long hole formed in the main bracket and the auxiliary bracket and a protrusion inserted into the long holes.

The long holes formed in the levers L2 and L1 are formed in a shape extending in the vertical direction, and the long holes formed in the auxiliary bracket 110 are formed in a shape extending in the left and right directions.

Preferably, the auxiliary bracket 110 includes a locking protrusion 114 and a first inclined surface 113, and the locking bracket 150 includes a second inclined surface 153 at an upper end thereof. The rocker 10a is caught or protrudes by sliding movement of the two inclined surfaces 113 and 153. The locking bracket 150 is integrally mounted to the lower end 10b of the rocker of the key opening and closing device by a connecting bracket 155 at a lower portion thereof, and a sliding protrusion 155a is formed at the lower end thereof. As will be described below, the sliding protrusion 155a is in a sliding state in conjunction with the inclined surface of the auxiliary switchgear 53 and serves to release the lock state by pulling the lower end 10b of the rocker of the key switchgear. .

When the rear handle is rotated, the rear lever L1L rotates, and then the auxiliary bracket 110 moves, and the locking bracket 150 moves downward according to the movement of the auxiliary bracket 110. Then, the upper end 10a of the rocker of the key opening and closing device is retracted. Therefore, the main bracket 100 is movable to the left side and the locked state is released. The rocker 12a of the dial key opening and closing device and the rocker 10a of the key opening and closing device are integrally moved by the connecting bracket 156.

The door lower opening and closing device 55 is interlocked with the main bracket 100. First, the auxiliary locking device 54 is connected to the connecting rod (R1), the mounting bracket (122) integrally mounted with the connecting rod (R1), and the hinge shaft (H3) is integrally mounted with the mounting bracket (122) It consists of a first rotating bracket 120 rotatably mounted by the). The first rotating bracket 120 has a protrusion 121 formed at an end thereof. The protrusion 121 is accommodated in the locking groove 103 formed near the other end of the main bracket 100 to maintain the locked state, or to release from the locking groove 103 to release the locked state. In charge.

The lower door opening / closing device 55 is connected to a second rotation bracket 130 rotatably connected to the other end of the main bracket 100 by a hinge shaft H4 and to the rotation of the second rotation bracket 130. It consists of a vertical bracket 140 that moves up and down by a connecting rod (R2) to be suspended to the lower portion of the vertical bracket (140).

At this time, the main bracket 100 and the second rotating bracket 140 is interlocked by the projection and the long hole is implemented. That is, the other end of the main bracket 100 is formed with a long hole 104 extending up and down, the upper and lower bracket 140 is a long hole 141 extending from side to side, and the long hole 142 extending up and down Is formed. Of course, the long holes 141 and 142 are limited in their rotational distance, left and right or up and down movement distance by the projection.

7 and 8, the locking bracket 140 moves up and down within a predetermined distance by left and right movement of the main bracket 100. Of course, when the main bracket 100 is moved to the left side (lock release operation), the second rotating bracket 130 is rotated counterclockwise so that the upper and lower brackets 140 are moved upward, and the main bracket ( When 100 is moved to the right side (locking operation), the second rotation bracket 130 is moved clockwise so that the upper and lower brackets 140 move downward. The upper and lower brackets 140 open and close the gap between the floor and the door by the blocking member 54a connected by the connecting rod R2 according to the vertical movement. One end of the connecting rod R2 is fixed to the upper and lower brackets 140, and the other end of the connecting rod R2 is connected to the blocking member 54a. That is, the connection rod R2 and the blocking member 54a are mounted in a state of being suspended from the upper and lower brackets 140. Therefore, when the upper and lower brackets 140 move downward, the connecting rod R2 and the blocking portion 54a move downward by their own weight.

The blocking member 54a may be made of brushed down or rubber. In addition, the length of the blocking member 54a is configured to be sufficiently long to completely cover the gap existing between the door and the floor.

The connecting rod R2 is connected to the blocking member 54a through the auxiliary frame S formed in the door. In addition, an elastic body, specifically, a coil spring 54b may be mounted between the auxiliary frame S and the blocking member 54a to assist the movement of the blocking member downward.

The auxiliary switch 53 is formed to extend left and right to the auxiliary locking bracket 160 to move left and right, the auxiliary clasp 164 mounted on one end of the auxiliary locking bracket 160, the auxiliary locking bracket 160. A long hole 161 is formed at the other end of the auxiliary locking bracket 160 and is formed at the sliding inclined portion 163 and the auxiliary locking bracket 160 to draw out the lower end 10b of the locker of the key opening / closing unit. Consists of the auxiliary handle projections 162 positioned to be exposed to the rear. The user opens and closes the door by moving the auxiliary handle protrusion 162 positioned to be exposed to the opening / closing box from side to side.

In addition, between the opening and closing box 300 and the first and second clasps 101 and 102 may further be equipped with shock absorbers 105 and 106 to mitigate the impact generated when the main frame 100 is moved left and right. The impact modifiers 105 and 106 are most preferably rubber.

Preferably, the door automatic locking device of the present invention need not be limited to being mounted in the normal position of the door, it should be noted that it can be mounted on the upper side or the lower side of the door, as well as the left side of the front of the door, It should be noted that the right side may also be modified.

In addition, as shown in FIG. 9, it should be noted that the opening / closing box 300 of the automatic door locking device according to the present invention may be applied to a door automatic locking device of both doors 230 and 232 as well as an external door. . However, the mounting position of the rear door handle of the external type should be mounted on the other side door in the double door type.

In addition, the locking device according to the present invention is configured to attach a steel plate or a copper plate to the opening and closing box bottom (B). This is to provide mounting rigidity of the plurality of switchgear devices, specifically, the switchgear devices mounted in the open / close box 300.

As described above, the present invention provides a dial key switch, a key switch, an auxiliary key switch, an auxiliary lock, and a door lower switch mounted in a single box. It is convenient to unlock the door when waiting for the AS or without a separate master key, and in particular, the advantage of opening the door conveniently without panic in case of fire or emergency is achieved. Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but it will be apparent to those skilled in the art that various modifications can be made without departing from the scope of the present invention.

1 is a front view showing a state in which the door automatic locking device according to an embodiment of the present invention is employed in the front door of the outer door type.

Figure 2 is a front view showing a state in which the door automatic locking device according to an embodiment of the present invention is adopted in the rear door of the outer door type.

Figure 3 is a front view showing an opening and closing box with a door automatic locking device according to an embodiment of the present invention.

Figure 4 is a rear view showing an opening and closing box with a door automatic locking device according to an embodiment of the present invention.

5 is a front view showing the configuration of the automatic door locking device according to an embodiment of the present invention, a view showing a locked state.

6 is a view showing a state in which the locked state of FIG. 5 is released.

7 and 8 are front views showing before and after the operation of the door lower opening and closing device of the automatic door locking device according to an embodiment of the present invention.

9 is a front view showing a state in which the door automatic locking device according to an embodiment of the present invention is employed in the rear door of the double door type.

Claims (11)

In the automatic door opening and closing device comprising a plurality of opening and closing device, Key opening and closing device; A dial key opening and closing device adjacent to the key opening and closing device; It is mounted to interlock with the key opening and closing device, the main bracket provided on both sides of the main bracket having a first and second clasps at both ends, each of which has a locking function by moving left and right according to the rotation of the front or rear rotary knob, And an auxiliary bracket having a first inclined surface at a predetermined position and having a locking protrusion adjacent to the first inclined surface, and a second corresponding to the first inclined surface so as to slide up and down according to left and right movement of the auxiliary bracket. An opening / closing unit having an inclined surface at the top and including a locking bracket for releasing the locking state by drawing the rocker bottom of the key opening / closing box; An auxiliary switch adjacent to the opening / closing unit, the auxiliary switch being capable of manually releasing the locking state by pulling the bottom of the rocker of the opening / closing unit by sliding movement with the locking bracket; And A second rotating bracket which rotates by the movement of the main bracket, an upper and lower bracket which is connected to the other end of the second rotating bracket and moves up and down according to its rotation, and a connecting rod suspended from the upper and lower brackets; An automatic door opening and closing device, comprising: a door lower opening and closing device mounted on an end of a connecting rod and having a blocking member blocking a gap between the door and the floor. delete The automatic door opening and closing device of claim 1, wherein the connection rod further comprises at least one coil spring that provides an elastic force in a direction away from each other while penetrating the door frame. The door automatic opening and closing device of claim 1, wherein the blocking member is made of a soft material such as a brush material or a rubber material. The method of claim 1, wherein the auxiliary switch Auxiliary locking bracket to move left and right; An auxiliary latch mounted to one end of the auxiliary locking bracket; A long hole formed to extend left and right in the auxiliary locking bracket; A sliding inclination portion formed at the other end of the auxiliary locking bracket to draw out a lower end of the rocker of the key opening / closing unit; And The door automatic opening and closing device, characterized in that formed in the auxiliary locking bracket is composed of a protrusion for the auxiliary handle positioned to be exposed on the back of the door. The door automatic opening and closing device according to claim 1, wherein the locking bracket is integrally connected to the lower end of the locker of the key opening / closing box by using a connecting bracket. The automatic door opening and closing device according to claim 1, wherein the bottom of the opening / closing box further provides rigidity by further attaching a steel plate or a copper plate. The door automatic opening and closing device according to claim 1, wherein the cross section of the first and second latches is formed in one of circular, rectangular or square shapes. The automatic door opening and closing device according to claim 1, wherein the automatic door opening and closing device is mounted to the door and locks the door in the left and right directions. The automatic door opening and closing device according to claim 1, wherein a rubber rug is further mounted between the opening and closing boxes and the first and second latches to mitigate an impact caused by the movement of the main bracket. delete