KR101615899B1 - Door handle with a lock release function for emergency evacuation - Google Patents

Abstract

Provided is a door handle with a lock release function for emergency evacuation which allows a user to open the door and escape by a simple control without a separate tool from an inside even when an external handle on the door is locked, where there is an external handle comprising: a locking member on an external side surface of the door; an internal handle placed inside the door rotated in a same direction as that of the external handle, and a locking piece formed on the internal handle locked or released with a frame of the door; and a user being able to separate the internal handle by a detaching unit and being able to escape to the outside when the external handle is locked. Accordingly, even when the user is locked inside, he or she is able to rapidly escape within a short period without a separate tool; and a high degree of safety is able to be secured.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a door handle with a lock release function for emergency escape,

The present invention relates to a door handle for an escape in an emergency situation, and more particularly, to an emergency door handle for emergency escape which allows a door to be opened and escaped by a simple operation without a separate tool, To an access door handle having an unlocking function.

In general, various structures are provided with access doors for accessing the structures, and such doors are generally divided into a door type and a sliding type.

Hereinafter, the hinged door will be described.

The hinged door is opened and closed to have a turning radius equal to the width of the door based on a hinge portion such as a normal hinge or the like installed on one side of the door. Further, on the opposite side of the hinge portion, there is provided a knob capable of holding and opening the door by hand.

In addition, a lock device is usually provided at a portion where the handle is installed. The lock device provided at the door may be opened and closed by using a key, and may be opened and closed by inputting a card, a chip, a password, or the like.

On the other hand, a locking device provided in a large industrial structure such as a door provided in a tower, which is a wind power generating facility, is provided to be able to be locked or unlocked from the inside or outside, and has a simple structure locking device .

As described above, most of the locking devices provided in the large industrial structure are equipped with an outer handle on the outer surface of the door, and the inner handle is provided with an inner handle to lock or unlock the outer handle on the outer side.

However, when the lock is provided in the state that the external handle is provided with a locking device and another worker or a passenger is present inside the industrial structure, the worker or the passenger inside the industrial structure can not escape to the outside I have.

That is, the locking device provided in the external knob usually has a disadvantage in that it can not be opened in any way inside because it is configured to be engaged with a lock body inside the door and a plurality of gears rotated by being connected to the lock body .

Accordingly, entrants and workers trapped inside the industrial structure have the disadvantage of causing a considerably dangerous situation.

Background Art [0002] Prior arts such as large-scale industrial structures, especially locks installed in towers of wind power facilities, have been disclosed in Korean Utility Model No. 20-2014-0001509 (hereinafter referred to as "Patent Document").

Korean Utility Model Publication No. 20-2014-0001509

However, as described above, the locking device provided in the patent document also has a disadvantage that the door can not be opened to the outside when the door is closed in the state of being trapped in the inside of the industrial structure, thereby causing a dangerous situation to the passengers or workers in the industrial structure .

The main object of the present invention is to solve the above-mentioned problems of the related art, and it is an object of the present invention to provide an emergency escape lock releasing apparatus, which can open and exit a door by a simple operation without a separate tool, And a door handle having a function.

Another object of the present invention is to make it possible to apply to any type of door that can be opened and closed by a simple structure.

According to an aspect of the present invention, there is provided a portable terminal including an outer handle including a lock member on an outer surface of a door, and an inner handle provided on an inner side of the door, the inner handle being rotated in the same direction as the outer handle, The lock piece formed on the handle is locked or unlocked by the frame frame of the door, and the inner handle is detached by the detachable part in the locked state, and then it can escape to the outside.

The frame frame at a position where the lock piece is locked or unlocked is further provided with a support bracket supported to abut on the lock piece.

The external handle includes a rotation shaft that is rotatably inserted into a mounting tube mounted in a door so that the inside and the outside of the door are connected to each other and a locking member that is locked or unlocked with an outer side of the door do.

The inner handle includes a shaft portion inserted into a rotary shaft inserted into the mounting tube, and the attachment / detachment portion detachably mounted on the shaft portion and the rotary shaft from the rotary shaft.

The locking member includes a locking piece having a fixing hole formed in an outer handle, a locking piece having a locking hole formed on an outer side of a door at a position corresponding to the locking piece, and a lock for locking or unlocking the locking hole and the locking hole do.

Wherein the detachable portion includes an insertion hole formed on a rotary shaft, a coupling hole formed in a shaft portion corresponding to the insertion hole, a shaft pin inserted in the insertion hole and the coupling hole, And a split pin that is detachable from the ball.

The present invention allows a door to be opened and escaped by a simple operation even without an external tool in a state where an external knob provided at a door is locked. Thus, even if a worker is trapped inside an industrial structure or the like, It is possible to quickly escape within a short period of time, and it is possible to secure high safety.

Further, the present invention can be applied to any type of door that can be opened and closed by a simple structure, and also has an effect of maximizing the range of application because of its excellent compatibility.

1 is a partially exploded perspective view for explaining the present invention,
Figure 2 is a cross-sectional view of the combined state according to Figure 1,
3 is a partially exploded perspective view for explaining a state in which the inner handle is separated according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The present invention is not limited to or limited by the embodiments.

FIG. 1 is a partially exploded perspective view for explaining the present invention, FIG. 2 is a sectional view of the combined state according to FIG. 1, and FIG. 3 is a partially exploded perspective view for explaining a state in which an inner handle is separated by the present invention.

As shown in the figure, in an emergency situation in which an outer handle on the outer side is locked in a state where an outer handle is provided on the outer surface of a door provided for entrance into and out of a typical large industrial structure and an inner handle is also provided on the inner side, A door handle capable of easily escaping from a state where a person or an operator is trapped.

The present invention is intended to enable a door to be opened and escaped by a simple operation without a separate tool from the inside even when the external handle provided in the door is locked.

An outer handle 10 including a lock member 30 on an outer surface of a door 100 according to the present invention and an inner handle 20 provided on an inner surface of the door 100 are connected to the outer handle The lock piece 22 formed on the inner handle 20 is locked or unlocked by the frame 110 of the door 100 while the outer handle 10 is locked The inner handle 20 can be separated from the inner handle 20 by the detachable portion 40, and then can be escaped to the outside. The frame frame 110 at a position where the lock piece 22 is locked or unlocked is further provided with a conventional support bracket 24 which is supported so as to abut the lock piece 22. At this time, the support bracket may be replaced with a conventional pad or the like.

In other words, it is thought that there is no worker or a passenger in the inside when the work is completed after entering the industrial structure through the door, and the worker or the person trapped in the inside in the emergency situation locked by the lock member provided in the external handle The inner handle can be separated by a detachable portion having a specific technical structure to be described later without using a tool so that escape to the outside can be smoothly performed without inconvenience or inconvenience.

Accordingly, even if an external handle is locked and the door is closed, the internal handle can be separated by the detachable part and quickly escaped, so that the operator or the passenger can have high safety.

In addition, the present invention is applied to a double handle composed of an outer handle and an inner handle, which can be applied not only to industrial structures, but also to various kinds of doors.

The outer handle 10 includes a rotary shaft 12 rotatably inserted into a mounting pipe 10A mounted in the door 100 so as to be connected to an outer side and an inner side of the door 100, And a locking member 30 which is locked or released with the outer surface of the door 100.

That is, the outer handle is rotatable together with the inner handle at the outside of the door, and the lock member is disengaged so that the lock handle of the inner handle is released from the frame or the supporting bracket during rotation to open the door for access.

In addition, when the door is closed, the lock piece of the inner knob is also engaged with the frame or the support bracket to lock the lock member provided in the outer handle to close the door.

The locking member 30 includes a fixing piece 14 having a fixing hole 14a formed in the outer handle 10 and a fixing piece 14a formed on the outer surface of the door 100 at a position corresponding to the fixing piece 14. [ A lock piece 16 having a lock hole 16a corresponding to the lock hole 14a and a conventional lock 18 for locking or unlocking the lock hole 14a and the lock hole 16a.

Accordingly, when the door is to be opened or closed, the door can be easily opened and closed by the operator or the passenger by locking and unlocking the door.

The inner handle 20 is formed with a shaft portion 25 inserted into a rotary shaft 12 inserted into the mounting tube 10A and the inner handle 20 is mounted on the rotary shaft 12, And the detachable portion 40 detachably attached to the main body 12.

In other words, the inner handle is connected to the rotation shaft of the outer handle so that the inner handle can be separated from the rotary shaft by the detachable portion in a state where the outer handle is locked by the lock member to open the door.

The detachable portion 40 includes an insertion hole 42 formed on the rotary shaft 12, a coupling hole 44 formed in the shaft portion 25 at a position corresponding to the insertion hole 42, The shaft pin 45 is inserted into and removed from the insertion hole 42 and the coupling hole 44 from the shaft pin 45 inserted into the coupling hole 44 and the outflow hole 45a formed at the lower end of the shaft pin 45. [ And includes a split pin 46 provided so as to be capable of rotating.

That is, in the detachable portion, the insertion hole of the rotation shaft and the shaft pin inserted into the engagement hole formed on the shaft portion have a condition that the internal handle can be separated on the rotation axis by inserting and separating the split pin.

Accordingly, by separating the split pin from the shaft pin even when the external handle is locked by the lock member, the inner handle is separated from the rotation shaft by separating the shaft pin from the engagement hole of the shaft and the insertion hole of the rotation shaft.

As a result, the door can be pushed open from the inside to the outside even when the outer handle is locked.

This makes it possible for a worker or a passenger who is trapped inside the door to escape safely without the hassle or inconvenience of a complicated tool.

On the other hand, when the escape is completed as described above, reuse can be smoothly performed by assembling the inner handle again in the opposite manner.

10: External handle 10A: Mounting tube
12: rotation shaft 14:
14a: Fixing hole 16: Locking piece
16a: lock ball 18: lock
20: inner handle 22:
24: support bracket 25:
40: detachable part 42: insertion hole
44: engaging hole 45: shaft pin
45a: Draw-out ball 46:
100: Door 110: Frame frame

Claims (6)

And an inner handle provided on an inner side surface of the door is rotated in the same direction as the outer handle so that a lock piece formed in the inner handle is locked or unlocked with the frame of the door, Wherein the inner handle is detachable by the detachable part in a state in which the outer handle is locked, and is then able to escape to the outside. The method according to claim 1,
Wherein the frame frame at a position where the lock piece is locked or unlocked is further provided with a support bracket supported to abut on the lock piece. The method according to claim 1,
The external handle includes a rotation shaft that is rotatably inserted into a mounting tube mounted in a door so that the inside and the outside of the door are connected to each other and a locking member that is locked or unlocked with an outer side of the door Wherein the door handle has an unlocking function for emergency escape. The method of claim 3,
Wherein the inner handle includes a shaft portion to be inserted into a rotation shaft inserted into the mounting tube, and the detachable portion is detachably mounted on the shaft portion and the rotation shaft so that the inner handle can be detached from the rotation shaft. Door handle with function. The method of claim 3,
The locking member includes a locking piece having a fixing hole formed in an outer handle, a locking piece having a locking hole formed on an outer side of a door at a position corresponding to the locking piece, and a lock for locking or unlocking the locking hole and the locking hole Wherein the door handle has an unlocking function for emergency escape. 5. The method of claim 4,
Wherein the detachable portion includes an insertion hole formed on a rotary shaft, a coupling hole formed in a shaft portion corresponding to the insertion hole, a shaft pin inserted in the insertion hole and the coupling hole, And a split pin provided to be detachable from the hole.

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