KR20110008623U - A safety hook for door - Google Patents

Abstract

The present invention relates to a door safety ring, and more specifically, a separate locking device is additionally provided in a door safety ring installed at an entrance steel door of an apartment or a villa to perform a security function auxiliary to the main door lock device. To a secure door lock.
The door safety ring according to the present invention is hinged and rotatably formed inside the door of the door type and extends in the longitudinal direction, and at one end thereof, a pin entrance is provided so that the fixing pin fixed to the door frame or the interior wall is accessible. In the center, when the door is opened or closed, a guide groove for guiding the movement of the fixed pin inserted through the pin entrance is formed. A box is provided; When the fixing pin is inserted into the guide groove of the safety ring through the pin inlet, the driving box prevents the fixing pin from escaping out of the safety ring through the pin inlet by locking and fixing the pin inlet. A locking member; It is characterized in that the drive unit for turning the locking member to operate.

Description

A SAFETY HOOK FOR DOOR}

The present invention relates to a door safety ring, and more specifically, a separate locking device is additionally provided in a door safety ring installed at an entrance steel door of an apartment or a villa to perform a security function auxiliary to the main door lock device. To a secure door lock.

In general, entrance doors in apartments, villas, and other houses or buildings are provided with auxiliary door locks in addition to the main door lock. The door safety ring is used to check the identity of the visitor through the door gap or identify the door situation by preventing the visitor from entering the house by allowing the door to be opened slightly without being completely opened while the door lock device is unlocked. have.

Figure 1 shows the structure of such a conventional door safety ring. As shown, the conventional door safety ring is hinged rotatably and extended in the longitudinal direction inside the door type 20 of the door type, one end is fixed to the door frame 21 or the interior wall fixed pin ( A pin entrance 11 is provided to allow 22 to enter and exit, and a guide groove 15 is formed at the center to guide the movement of the fixing pin 22 inserted through the pin entrance 11 when the door is opened or closed. In the outer portion, the circumferential wall 12 is formed. In addition, the partition 13 is formed in the center of the guide groove 15 in a state where the end is rounded and curved.

Through this structure, when the safety ring 1 is rotated in a state where the door is closed, the fixing pin 22 is inserted through the pin entrance 11, and when the door is opened in this state, the safety ring 1 is outside. The door 20 is no longer opened due to the fixing pin 22 passing through the guide groove and being caught by the distal end wall 12 of the safety ring, and the door 20 is closed again. In the case of opening, the fixing pin 22 contacts the end curved portion of the partition 13 and is guided to the guide groove on the other side of the partition 13 so that the fixing pin 22 does not easily exit through the pin entrance 11. Full opening of 20 is prevented.

Thus, according to the conventional door safety ring, it will be useful in preventing the full opening of the door 20, but because the pin entrance 11 is relatively large, a thin plastic, such as a credit card with the door slightly open After inserting a tool such as a plate into the door gap and pushing the safety ring, as the fixing pin 22 is pulled out through the pin entrance 11, the safety ring is released to raise the problem that the door 20 is completely opened. . Therefore, the situation is urgently required to compensate for this problem.

The present invention was devised to solve the problems of the conventional safety ring as described above, when fastening the safety ring, by preventing the fixing pin inserted through the pin entrance to exit again through the pin entrance, the safety ring is released The goal is to provide a door safety loop that prevents it from becoming damaged.

Door safety ring according to the present invention for achieving the object as described above, is hinged rotatably coupled to the inner side of the door of the door type is formed extending in the longitudinal direction, one end of the fixing pin fixed to the door frame or the interior wall A pin entrance is provided to allow entry and exit, and a guide groove is formed at the center to guide the movement of the fixing pin inserted through the pin entrance, and at the outer part of the door safety ring having a circumferential wall formed therein. A driving box is provided on the front side of the safety ring; When the fixing pin is inserted into the guide groove of the safety ring through the pin inlet, the driving box prevents the fixing pin from escaping out of the safety ring through the pin inlet by locking and fixing the pin inlet. A locking member; It is characterized in that the drive unit for turning the locking member to operate.

Here, the locking member is composed of a hook of the 'b' shape, as the pivoting around the hinge axis provided in the center is caught or released by the fixing pin, one end is disposed inside the guide groove of the safety ring, The other end is disposed to protrude into the drive box through the locking member insertion opening of the safety ring, it is preferably configured to be rotated about the hinge axis by being pressed or released by the drive unit.

In addition, the locking member is preferably provided with an elastic spring that provides an elastic force so that the locking member that has been turned can be returned to its original position when the pressure is released by the drive unit.

On the other hand, the drive unit, and the motor is driven in reverse rotation in accordance with the power supply; A gear for converting the rotational motion of the motor into a linear motion; And a push rod for turning the locking member by pressing or releasing the distal end of the locking member by horizontally linear movement by the gear.

Here, the gear is preferably a rack gear and a pinion gear.

And, it is preferable to further include an operation key for outputting a specific signal for controlling the operation of the motor, the operation key is a unique signal is output to the front end is in contact with the signal sensing unit provided on the front panel of the drive box A touch unit for transmitting a signal is provided, and a magnet is provided at the bottom of the lower surface so as to be fixedly attached to the inside of the door.

In addition, the drive unit and the key bundle is rotated by rotating by inserting the operation key;

A gear for converting the rotational motion of the key bundle into a linear motion; It may comprise a push rod for turning the locking member by pressing or releasing the distal end of the locking member by the horizontal linear motion by the gear. Here, the gear is a rack gear and pinion gear, it is preferable that a magnet is provided on the lower bottom of the operation key to be fixedly attached to the inside of the door.

According to the present invention as described above, when closing the door and fastening the safety ring is fixed to the locking pin by the locking member is prevented from being separated through the pin entrance, the advantage that can prevent the release of the safety ring by an external intruder Has

1 is a perspective view of a conventional door safety ring,
Figure 2 is a perspective view of the door safety ring according to the present invention,
3 is an exploded view of a door safety ring according to an embodiment of the present invention,
Figure 4 is a plan sectional view of the door safety ring according to an embodiment of the present invention,
5 is a perspective view of the operation key for the release of the door safety ring according to the present invention,
6 is a structural diagram of a door safety ring according to another embodiment of the present invention.

Hereinafter, the specific configuration of the door safety ring according to the present invention will be described in detail with reference to the preferred embodiment and the accompanying drawings.

As shown in Figure 2 to 5, the safety ring 1 is the same as the configuration of the conventional safety ring, such as the pin entrance 11, the circumferential wall 12, the guide groove 15, drive box 30 And a locking member 40 and an operation key 80, the portion of the circumferential wall 12 facing the pin inlet 11 is opened so as to be rotatable in a state where the locking member 40 to be described later is inserted. The locking member insertion opening 16 is provided. Other configurations are the same as the conventional safety ring, so further description will be omitted.

The drive box 30 is provided on the front side of the safety ring 1 (where the front side is defined in a direction toward the interior). The drive box 30 is a housing having a locking member 40, which will be described later, a driving unit 50 and a power supply unit 60 for pivoting the locking member 40, and are generally made of metal or plastic material. It is configured, and coupled to the front portion of the safety ring (1) by bonding, fitting, welding, and the like, although not specifically shown, it is preferable that the opening and closing is configured to enable the replacement of the internal power source.

The locking member 40 has a pin entrance 11 when the fixing pin 22 fixed to the door frame 21 or the interior wall is inserted into the guide groove 15 of the safety ring 1 through the pin entrance 11. ) And at the same time by locking the fixing pin 22 to prevent the fixing pin 22 is separated from the safety ring (1) through the pin inlet (11).

As shown, the locking member 40 is generally configured in the form of a hook having a '-' shape, and is caught or released by the fixing pin 22 as it is pivoted about the hinge shaft 42 provided at the center. do. And, as shown in Figure 4, one end of the locking member 40 is disposed inside the guide groove 15 of the safety ring 1, the other end of the locking member insertion opening 16 of the safety ring (1) It is arranged to protrude into the drive box 30 through, the end portion is pressed or released by the drive unit 50 to be described later is configured to pivot around the hinge shaft (42). In addition, it is preferable that the locking member 40 is provided with an elastic spring 44 that provides an elastic force so that the locking member 40 that has been rotated can be returned to its original position when the pressurization by the driving unit 50 is released. There is no particular limitation on the type and the installation position of the elastic spring 44, as shown in Figures 3 and 4, it is preferable that the torsion spring.

The drive unit 50 includes a motor 52, a gear 54, and a pusher 56 as a means for pivotally operating the locking member 40.

The motor 52 is a DC motor capable of forward and reverse rotation by generating a rotational force in accordance with the power supply.

The gear 54 is a means for converting the rotational motion of the motor 52 into a linear motion, and there is no particular limitation on the type of gears, but the gear 54 is preferably composed of a rack gear 54a and a pinion gear 54b. Specifically, as shown in FIGS. 3 and 4, the rack gear 54a is coupled to the motor 52 and rotates according to the driving of the motor 52, and the pinion gear 54b is the rack gear 54a. It is arranged in engagement with the linear movement in a horizontal line in accordance with the rotation of the rack gear (54a). Although not shown, in order to smoothly move the pinion gear 54b, it is preferable that a separate guide rail is installed inside the drive box 30.

On the other hand, the push rod 56 is a means for turning the locking member 40 by pressing or releasing the distal end of the locking member 40 by horizontally linear movement by the gear 54, the pinion gear 54b itself It may act as a pusher, one end is coupled to the pinion gear (54b) of the gear 54 and the other end may be composed of a separate member directly coupled to the distal end of the locking member 40, the wire or other links It may be indirectly coupled by, but may be disposed adjacent to the locking member 40 at intervals enough to press the distal end portion of the locking member 40.

The power supply unit 60 is a means for supplying power to the motor 52. The power supply may be a general battery, a mercury battery, a lithium battery, a rechargeable battery, and the like. It may include a transformer to convert to.

Through this configuration, when the door is to be closed and the safety ring 1 is to be fastened, as shown in FIG. 4, the fixing pin 22 is guided through the pin inlet 11 by turning the safety ring 1. After inserting into the groove 15, the motor 52 is operated. In accordance with the operation of the motor 52, the rack gear 54a coupled to the motor 52 is rotated, the pinion gear 54b meshed with the rack gear 54a moves horizontally linearly, and is coupled to the end of the pinion gear 54b. As the push rod 56 is horizontally moved to press the end portion of the locking member 40, the locking member 40 is pivoted about the hinge shaft 42 to block the pin entrance 11 and at the same time the pin entrance 11. By holding the fixing pin inserted into the guide groove 15 of the safety ring 1 through the fixing pin is prevented from being separated from the safety ring (1).

When the safety ring 1 is to be released and the door is opened, the motor 52 is rotated in reverse to move the pinion gear 54b and the push rod 56 in the reverse direction to release the pressure on the locking member 40 and to lock it. Allow member 40 to return to its original position. Accordingly, the locking member 40 opens the pin inlet 11 and at the same time the latch on the fixing pin 22 is released, so that the fixing pin 22 is detached to the outside through the pin inlet 11 and the safety ring is released. (1) can be released and the door can be opened.

Operation of the drive unit 50 is preferably performed by the operation key (80). 5 is a perspective view of the shape of the operation key 80 according to a preferred embodiment.

The operation key 80 is a means for providing a specific signal for controlling the operation of the motor 52, for example, as shown in Figure 5, is provided with a touch portion 80a through which a small current flows at the tip, The lower bottom surface is preferably provided with a magnet (80b) to be fixedly attached to the inside of the door made of iron. In order to operate the motor 52, the user may move the touch unit 80a of the operation key 80 to the signal detection unit 72 provided on the front panel 70 of the drive box 30 as shown in FIG. 2. ). When a unique signal of the operation key 80 (here, a small current flowing through the touch unit 80a) is detected from the signal detecting unit 72, the microcomputer or the motor driving circuit operates the motor 52. The motor 52 is driven by changing the rotation direction of the motor 52 whenever a unique signal of the operation key 80 is detected from the signal detection unit 72.

In the above, the operation key 80 is an example of operating by a touch method, but if the operation key 80 is capable of outputting a unique signal for operating the motor, RFID, infrared remote control, a specific signal, such as a wireless signal of a specific frequency There is no particular limitation on the type or method of the electronic device used to output the signal.

Meanwhile, as illustrated in FIG. 2, the front panel 70 of the drive box 30 includes a signal detecting unit 72, a power lamp 74, an emergency speaker 76, and an opening / closing display lamp 78. Is provided. As described above, the signal detection unit 72 is a portion for detecting a unique signal of the operation key 80, the power lamp 74 indicates the remaining capacity of the battery or the power on / off state, and the speaker When the exhaustion or other emergency means to sound an alarm, the opening and closing display lamp 78 is a lamp to indicate whether the locking member 40 is locked or released.

On the other hand, according to another embodiment of the present invention, instead of the automatic driving method by the touch type operation key 80, the signal sensing unit 72 and the motor 52 as mentioned above, a manual driving method may be adopted. It may be. 6 is a block diagram of a door safety ring 1 adopting a manual driving method according to another embodiment of the present invention. Specifically, (a) of Figure 6 is a cross-sectional view of the safety ring (1), Figure 6 (b) is a front view showing the front shape of the drive box 30, Figure 6 (c) is a preferred The shape of the operation key 80 ′ according to the embodiment is illustrated.

As shown in FIG. 6, the safety ring 1 according to the present embodiment includes a locking member 40, a drive box 30, a gear 54, and a pusher 56. The same as the configuration, but the key bundle 52 'is used instead of the motor. That is, as shown in (a) of FIG. 6, the rack gear 54a is coupled to the rear side of the key bundle 52 ', and as shown in (b) of FIG. 6, the key bundle 52' The front side of the drive box 30 is rotatably exposed. And, as shown in Figure 6 (c), it is preferable that the operation key (80 ') is provided with a magnet key (80b') so that the upper portion is configured in a general key shape and the lower portion can be fixedly attached to the inside of the steel door. Do.

Through such a configuration, when the door is closed and the safety ring 1 is to be fastened, the operation key 80 'shown in FIG. 6C is replaced with the key bundle 52' shown in FIG. 6B. ) And rotate it. As the key bundle 52 'is rotated, the rack gear 54a coupled to the key bundle 52' is rotated, and the pinion gear 54b meshed with the rack gear 54a moves in a horizontal linear direction. 54b) The pusher 56 coupled to the distal end is moved horizontally to press the distal end of the locking member 40 so that the locking member 40 pivots about the hinge shaft 42 to block the pin entrance 11. By holding the fixing pin inserted into the guide groove 15 of the safety ring 1 through the pin inlet 11, the fixing pin is prevented from being separated from the safety ring 1.

When the safety ring 1 is to be released and the door is opened, the locking piece is rotated by rotating the pinion gear 54b with the operation key 80 'in the reverse direction to move the pinion gear 54b and the push rod 56 in the reverse direction. The pressure on the 40 is released so that the locking member 40 returns to its original position. Accordingly, the locking member 40 opens the pin inlet 11 and at the same time the latch on the fixing pin 22 is released, so that the fixing pin 22 is detached to the outside through the pin inlet 11 and the safety ring is released. (1) can be released and the door can be opened.

On the other hand, the drive unit 50 may be configured to rotate the locking member 40 according to the pressing of the number key, as in the configuration of a conventional number key type door lock.

So far, the present invention has been described in detail with reference to the embodiments of the present invention, but the scope of the present invention is not limited thereto, and will include the embodiments and the substantial equivalent range of the present invention.

1: safety ring 12: circumference wall
11: Pin Exit 15: Guide Home
16: locking member insertion hole 30: drive box
40: locking member 42: hinge shaft
44: elastic spring 50: drive part
52: motor 52 ': bundle of keys
54 gear 54a rack gear
54b: Pinion Gear 56: Pushpin
60: power supply 70: front panel
72: signal detection unit 74: power lamp
76: emergency speaker 78: opening and closing display lamp
80: operation key 80a: touch unit
80b: Magnet

Claims (10)

Is hinged rotatably inside the door of the door type and is formed extending in the longitudinal direction, one end is provided with a pin entrance to the fixed pin fixed to the door frame or the interior wall, the central entrance is opened or closed A guide groove is formed to guide the movement of the fixing pin inserted through the pin entrance, and in the outer door safety ring having a circumferential wall formed therein,
A drive box is provided on the front side of the safety ring;
In the drive box,
A locking member preventing the fixing pin from being separated out of the safety ring through the pin inlet by blocking the pin inlet and locking the fixing pin while the fixing pin is inserted into the guide groove of the safety ring through the pin inlet;
The door safety ring, characterized in that the drive unit for turning the locking member is built-in. The method of claim 1,
The locking member,
Consists of a 'b' shaped hook, and is caught or released by the fixing pin as it is pivoted about the hinge axis provided in the center, one end is disposed inside the guide groove of the safety ring, the other end of the locking of the safety ring The door safety ring is protruded into the drive box through the member insertion hole, characterized in that configured to be rotated about the hinge axis by being pressed or released by the drive unit. The method of claim 2,
When the locking member is released from the pressing member, the door safety ring, characterized in that the elastic spring for providing an elastic force so that the locking member has been returned to its original position. The method according to any one of claims 1 to 3,
The driving unit,
A motor which is driven in reverse rotation according to the power supply;
A gear for converting the rotational motion of the motor into a linear motion;
And a pusher for turning the locking member by pressing or releasing the distal end of the locking member by horizontally linear movement by the gear. The method of claim 4, wherein
The gear is a door safety ring, characterized in that the rack gear and pinion gear. The method of claim 4, wherein
And an operation key for outputting a specific signal for controlling the operation of the motor. The operation key is
A unique signal is output at the front end and is provided with a touch unit for transmitting a signal as it comes into contact with the signal sensing unit provided on the front panel of the drive box, and a magnet is provided at the bottom of the lower surface to be fixedly attached to the inside of the door. Door safety hook. The method according to any one of claims 1 to 3,
The driving unit,
A key bundle to be rotated by rotating by inserting an operation key;
A gear for converting the rotational motion of the key bundle into a linear motion;
And a pusher for turning the locking member by pressing or releasing the distal end of the locking member by horizontally linear movement by the gear. The method of claim 8,
The gear is a door safety ring, characterized in that the rack gear and pinion gear. The method of claim 8,
The lower door of the operation key is a door safety ring, characterized in that the magnet is provided to be fixed to the inside of the door.

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