KR102521481B1 - Folding evacuation ladder apparatus - Google Patents

Abstract

According to an embodiment of the present invention, a foldable evacuation ladder apparatus may comprise: a frame unit including a fixed frame member fixed to the exterior wall of a building, and a front frame member connected to the fixed frame member by a connecting frame member and folded or unfolded with respect to the fixed frame member; a bottom plate unit which has a rear end connected to a lower end of the fixed frame member and a front end connected to a lower end of the front frame member, and is folded or unfolded when the front frame member is folded or unfolded with respect to the fixed frame member by the connecting frame member; and a locking unit which locks or unlocks the front frame member with respect to the fixed frame member. According to an embodiment of the present invention, it is possible to respond quickly when a disaster occurs, and the frame unit and bottom plate unit can be returned to their original state even after use by a simple operation of pulling a part of an operating unit.

Description

Folding evacuation ladder device {FOLDING EVACUATION LADDER APPARATUS}

The present invention relates to a foldable evacuation ladder device, and more particularly, by a simple operation of a locking unit, for example, by pulling an unlocking wire provided in the locking unit, an operation unit is operated to move the frame unit and the bottom plate. It is a foldable evacuation ladder device that can be converted into an unfolded state for evacuation, so that it can respond quickly in case of a disaster, and can return the frame part and the bottom plate part to their original state by a simple operation of pulling a part of the operating part even after use. it's about

In general, high-rise buildings are increasing in order to expand living space in a narrow site, and in such high-rise buildings, a main entrance door that ordinary people can enter and exit, and a veranda are installed on the opposite side thereof. In addition, it is common to install safety handrails for fall prevention on verandas.

High-rise buildings have the advantage of having good visibility and having various convenience facilities inside the building, but in the event of a fire or disaster, there is no place to escape, and gas and smoke spread quickly along the elevator shaft or stairs before you can escape, resulting in loss of life. Back evacuation has weak limitations.

Therefore, there is a way to evacuate in case of fire using a descending device installed on the veranda, but the descending device is not only difficult to operate, but also has the burden of putting all of the user's weight on a single rope, and the impact of wind when descending from a high floor. There is also a problem that the swing is generated on the descending rope by the fire, and the fear and anxiety caused by the fire cannot be shaken.

Therefore, in recent years, a folding ladder device is installed on the outer wall of the veranda, and in the event of a fire or the like, a folding ladder is used to evacuate using it.

However, in the case of such a conventional evacuation ladder, it is difficult to respond quickly in the event of a disaster because a separate locking device provided in the fixed frame constituting the ladder must be unlocked and the latch must be released to unfold the folded ladder. Ladder is a fixed component, and there is also a problem of deteriorating aesthetics by affecting the appearance of multi-unit dwellings such as apartments.

In addition, in the case of a conventional ladder, there is a somewhat complicated problem of locking when restoring to its original state for reuse after use. In particular, when provided on the outer wall, there is a limit in that it is difficult to restore by manipulation of one of the users living in the upper and lower households.

As related prior art, there is Korean Patent Registration No. 10-1740261 (Title of Invention: Evacuation Evacuation Device Used as Integrated Folding Safety Railing and Outdoor Evacuation Stairs).

Embodiments of the present invention operate the operation unit by a simple operation of the locking unit, for example, by pulling the unlocking wire provided in the locking unit, so that the frame unit and the bottom plate unit can be converted into an unfolded state for evacuation. Provided is a folding evacuation ladder device capable of responding quickly in the event of a disaster and returning a frame part and a bottom plate part to their original state by a simple operation of pulling a part of the operating part even after use.

The problem to be solved by the present invention is not limited to the above-mentioned problem (s), and another problem (s) not mentioned will be clearly understood by those skilled in the art from the following description.

A foldable evacuation ladder device according to an embodiment of the present invention includes a fixed frame member fixed to an outer wall of a building, and a front frame member connected to the fixed frame member by a connecting frame member and folded or unfolded with respect to the fixed frame member. The frame portion and the rear end are connected to the lower end of the fixed frame member, the front end is connected to the lower end of the front frame member, and the front frame member is folded together when the front frame member is folded or unfolded with respect to the fixed frame member. It may include a bottom plate portion that is spread or unfolded, and a locking portion that locks or unlocks the front frame member with respect to the fixed frame member.

In addition, in the device according to an embodiment of the present invention, one end is rotatably coupled to the lower end of the fixed frame member and has a length corresponding to the width of the bottom plate portion, and rotates when the lock is released from the locking portion, and the fixed frame An operating unit for operating the front frame member and the bottom plate portion relative to the member may be further included.

In addition, the locking unit according to an embodiment of the present invention includes a first locking member having a locking member engaged in the locking groove of the operation unit in a folded state, a second locking member locking the operation of the first locking member, and the first locking member. By operating the first locking member and the second locking member at once to release the locking of the locking member in the locking groove, the front frame member is unfolded with respect to the fixed frame member by the operation of the operating unit and the bottom plate is not unfolded. It may include an unlocking wire to

In addition, the first locking member according to an embodiment of the present invention is axially coupled to a locking bracket mounted on a side surface of the fixed frame member so as to be rotatable up and down, and when the unlocking wire is pulled, the first locking member is rotated. The lock is unlocked while the lock is released from the lock groove of the operating unit, and when the operating unit is pulled to an original folded state, the lock is engaged with the lock but is not arbitrarily released, so that one side of the lock is inclined downward. and the other side is vertical, so it may have a right triangle shape.

In addition, the second locking member according to an embodiment of the present invention is mounted in the locking bracket so as to be positioned above the first locking member, and is provided with a fixing member that is engaged in a fixing groove provided in the first locking member by rotation. When the unlocking wire is pulled, the engagement of the fixing member of the second locking member with respect to the fixing groove of the first locking member is released, and the engagement of the engaging member of the first locking member with respect to the engaging groove of the operating unit is released. is released, and the frame part and the bottom plate part may be unfolded by the operation of the operating part.

In addition, the first locking member and the second locking member according to an embodiment of the present invention are provided with a through hole through which the unlocking wire passes, and the through hole of the first locking member and the first locking wire are provided in the unlocking wire. 2 The first locking member and the second locking member may be operated by pulling the unlocking wire as the locking member is attached to each of the through holes of the locking member.

In addition, the unlocking wire according to the embodiment of the present invention is mounted at a position higher than the upper end of the fixed frame member and can operate on the upper floor of the corresponding floor of the building.

In addition, the unlocking wire according to an embodiment of the present invention may be provided in two strands, one connected to the first locking member and the second locking member, and the other connected to the rotating roller unit pushing the operating unit.

In addition, the rotational roller unit according to an embodiment of the present invention is rotatably mounted on a mounting bracket mounted on a side surface of the fixed frame member, and rotates forward when the unlocking wire is connected and the unlocking wire is pulled. It may include a pivoting member and a push member protruding from a side surface of one end of the pivoting member to push the operating unit.

In addition, a curved guide path hole guided by a guide protrusion mounted on the mounting bracket may be formed through the pivot member according to an embodiment of the present invention.

In addition, an opening and closing door for movement is provided on the bottom plate part according to an embodiment of the present invention, and the opening and closing door can be folded and unfolded together when the bottom plate part is folded and unfolded.

In addition, the device according to an embodiment of the present invention may further include a door opening handle that is mounted on the frame portion to be connected to the opening and closing door and opens the opening and closing door when pulled.

In addition, the connecting frame member according to an embodiment of the present invention includes a pair of frame parts connected to each other, and the pair of frame parts may be connected by hinges so as to be folded inwardly.

In addition, the frame portion according to an embodiment of the present invention may be provided in a ladder type.

In addition, in order to cover the frame part according to an embodiment of the present invention, a cover part may be mounted on the front frame member, and a louver may be mounted on the cover part.

In addition, the operation unit according to the embodiment of the present invention may be provided with a pulling handle member to pull the operation unit in an unfolded state so that the operation unit is located on the side of the fixed frame member.

According to an embodiment of the present invention, by a simple operation of the locking unit, for example, by pulling an unlocking wire provided in the locking unit, the operation unit is operated to convert the frame unit and the bottom plate unit into an unfolded state for evacuation. Therefore, it is possible to respond quickly in the event of a disaster, and even after use, the frame part and the bottom plate part can be returned to their original state by a simple operation of pulling a part of the operating part.

In addition, in the event of a disaster, a person on the upper floor can unfold the lower floor foldable evacuation ladder device by a simple operation of pulling a wire, thereby evacuating smoothly.

1 is a perspective view of a folding evacuation ladder device according to an embodiment of the present invention.
FIG. 2 is a view partially showing the locking part shown in FIG. 1 and the frame part and the bottom plate part which operate thereby.
FIG. 3 is an enlarged view of the locking unit shown in FIG. 2 .
FIG. 4 is a view showing an upper portion of an unlocking wire of the locking unit shown in FIG. 2;
5 is a perspective view of an evacuation ladder device according to another embodiment of the present invention.
6 is a perspective view of an evacuation ladder device according to another embodiment of the present invention.

Advantages and/or features of the present invention, and methods of achieving them, will become apparent with reference to the following detailed description of the embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and will be implemented in various forms different from each other, only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention pertains. It is provided to completely inform the person who has the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numbers designate like elements throughout the specification.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a foldable evacuation ladder device according to an embodiment of the present invention, FIG. 2 is a view partially showing the locking part shown in FIG. 1 and the frame part and the bottom plate part operated thereby, and FIG. 3 is 2 is an enlarged view of the locking unit, and FIG. 4 is a view showing an upper portion of an unlocking wire of the locking unit shown in FIG. 2 .

As shown in these drawings, the foldable evacuation ladder device 100 according to an embodiment of the present invention is installed on the outer wall surrounding the veranda window of each household of an apartment, for example, A folding frame part 110 formed, a bottom plate part 120 coupled to the lower end of the frame part 110 and folded or unfolded together with the frame part 110, the frame part 110 and the bottom plate part 120 ) to include a locking unit 130 that locks the folded state, and an operating unit 140 that operates the frame unit 110 and the bottom plate unit 120 by operating through unlocking of the locking unit 130. can

With this configuration, by a simple operation of the locking unit 130, for example, by pulling a wire provided in the locking unit 130, the operation unit 140 is operated to move the frame unit 110 and the bottom plate. Since the unit 120 can be converted into an unfolded state for evacuation, it is possible to respond quickly in the event of a disaster, and even after use, the frame unit 110 and the bottom plate unit ( 120) can be returned to its original state.

In addition, as will be described later, since the cover 170 and a louver are provided on the front of the frame 110, it is possible to prevent a decrease in aesthetics in the exterior of the building.

Describing each configuration, first, as shown in FIG. 1, the frame unit 110 of this embodiment is disposed parallel to the fixed frame member 111 fixed to the outer wall and the front of the fixed frame member 111. It may include a front frame member 113 and a connection frame member 115 connecting the front frame member 113 to be folded or unfolded with respect to the fixed frame member 111.

As will be described later, the connecting frame member 115 can be folded or unfolded inward from the central portion by the mutual operation of the locking part 130 and the operating part 140, and through this, the front frame with respect to the fixed frame member 111 Members 113 may be spaced apart or narrowed to abut.

In other words, when the connecting frame member 115 is fully unfolded, the front frame member 113 is spaced farthest from the fixed frame member 111 and can be in a state for evacuation (state of FIG. 1), conversely, the connecting frame member 115 When the member 115 is completely folded, the front frame member 113 adheres to the fixed frame member 111 to the maximum and maintains a normal state.

1, a fixing member 112 for fixing the fixing frame member 111 to an outer wall is provided at the upper and lower ends of the fixed frame member 111 of this embodiment, and the fixing frame member 112 is provided through bolts and nuts ( 111) can be firmly coupled to the outer wall of the building, and through this, the device 100 of the present embodiment can be installed on the outer wall of the building.

A cover part 170 for covering the entire area of the front frame member 113 may be mounted on the front frame member 113 of this embodiment, and through this, when the frame part 110 is in a folded state, the cover part ( 170) is mainly visible, so that aesthetics can be maintained.

In addition, a louver may be provided on the cover part 170 . The louver may have a movable structure, and thus, by adjusting the degree of opening and closing, it is possible to adjust the air flow as well as the awning.

As shown in FIG. 1, the connecting frame member 115 of this embodiment includes a pair of adjacent frame parts 117, and the pair of frame parts 117 are connected by hinges so as to be folded inwardly. can

Referring to FIG. 1 , each frame part 117 may be provided in a ladder type, so that a person evacuating can evacuate smoothly by stepping on a horizontal bar provided on the frame part 117 .

Meanwhile, as shown in FIG. 1 , the bottom plate portion 120 of the present embodiment may be mounted to be folded or unfolded at the lower end of the frame portion 110 .

More specifically, the rear end of the bottom plate unit 120 is connected to the lower end of the fixed frame member 111 and the front end is connected to the lower end of the front frame member 113, so that the front frame member 113 is connected to the frame member ( When folded or unfolded with respect to the fixed frame member 111 by the folding and unfolding operation of 115), the bottom plate portion 120 may also be folded or unfolded.

Referring to FIG. 1 , the frame portion 110 and the bottom plate portion 120 of this embodiment have a composite structure having an L-shape as a whole. There is a main frame part 110 and a low and narrow frame part 110a may be provided next to it, so the bottom plate part 120 also has a main bottom plate part 120 and a narrower bottom plate part 120a. may be provided.

Among them, the main floor plate portion 120 is provided with an opening and closing door 123 that can be evacuated in case of disaster, through which, for example, a person can open the opening and closing door 123 and move from the upper floor to the lower floor.

The opening and closing door 123 is composed of two door plates connected to each other so that they can be folded and unfolded together when the bottom plate unit 120 is folded and unfolded, and a hinge is provided between them, so that the opening and closing door 123 is the bottom plate unit. It can be folded or unfolded with (120).

Referring to FIG. 1 , for example, a door opening handle 160 may be mounted to one of the horizontal bars of the front frame member 113 to be capable of being pulled, and the door opening handle 160 and the opening and closing door 123 When ) is connected with a wire (not shown) and pulls the door opening handle 160, a part of the opening/closing door 123 may be pulled and opened by the wire.

However, it is not limited thereto, and it is natural that a person can open the opening and closing door 123 by directly pulling a handle provided on the opening and closing door 123 .

As such, the frame unit 110 and the floor plate unit 120 of the present embodiment have a structure that can be folded or unfolded, thereby maintaining a basic state in close contact with the outer wall of the building, but when a disaster such as a fire occurs and evacuation is required It can be easily converted to the state shown in FIG. 1, so that smooth evacuation is possible.

Then, in order to maintain the frame unit 110 and the floor plate unit 120 in a basic state in close contact with the outer wall of the building, locking must be performed, and in order to fully unfold as in the state of FIG. 1, unlocking the frame unit 110 ) and the operating principle of operating the bottom plate unit 120 should work. To this end, the device 100 of this embodiment includes an operating unit 140 and a locking unit 130.

As shown in FIGS. 2 to 4 , the locking unit 130 of this embodiment may lock or unlock the front frame member 113 with respect to the fixed frame member 111 .

And, as shown in FIG. 1, the operation unit 140 of this embodiment, one end of which is rotatably coupled to the lower end of the fixed frame member 111 and has a length corresponding to the width of the bottom plate portion 130 When the lock is released for ), it is possible to operate the front frame member 113 and the bottom plate part 120 relative to the fixed frame member 111 while rotating.

More specifically, referring to FIGS. 2 and 3 , the locking unit 130 of this embodiment includes a first locking member 133 that is engaged in the locking groove 141 of the operating unit 140 in a folded state. The member 131, the second locking member 135 for locking the operation of the first locking member 131, the locking of the locking member 133 for the locking groove 141 and the locking of the first locking member 131 An unlocking wire 137 for unlocking the second locking member 135 may be included.

By this configuration, when the unlocking wire 137 is pulled, the locking of the first locking member 131 to the operating unit 140 and the locking of the second locking member 135 to the first locking member 131 are released. Through this, the operating unit 140 operates the frame unit 110 and the bottom plate unit 120 so that the device 100 can be converted to the state shown in FIG. 1 .

As schematically shown in FIGS. 2 and 3 , the operating unit 140 of this embodiment may have one end rotatably coupled to the fixed frame member 111 and a locking groove 141 at the other end. In addition, the locking member 133 of the first locking member 131 is engaged in the locking groove 141 so that the operation unit 140 can maintain a locked state with respect to the locking unit 130 .

However, here, when the unlocking wire 137 is pulled upward, the first locking member 131 and the second locking member 135 are rotated at once around their axes 131a and 135a, respectively, so that the locking groove 141 It is possible to release the engagement of the latch 133 for ), and through this, the front frame member 113 is unfolded with respect to the fixed frame member 111 by the operation of the operating unit 140 and the bottom plate unit 120 is unfolded. As a result, it can be converted to a state for evacuation.

In other words, the first locking member 131 is rotatably coupled around the coupling shaft 131a in the locking bracket 134 mounted on the side of the fixed frame member 111, when the unlocking wire 137 is pulled. As the locking member 133 of the first locking member 131 is disengaged from the locking groove 141 of the operating unit 140, unlocking is performed, and the operating unit 140 rotates to remove the connecting frame member 115 in a folded state. In addition, the bottom plate portion 120 in a folded state can be unfolded and converted to the state of FIG. 1 through this.

Conversely, when the operating unit 140 is pulled to its original state (a state parallel to the vertical bar of the fixed frame member 111), the locking groove 141 of the operating unit 140 is the first locking member 131. It is caught in the latch 133, as shown in FIGS. 2 and 3, the latch 133 is provided in a right triangle shape with one side inclined toward the lower left and the other side vertical, so that the locking groove 141 is caught in the latch 133 Although it can be made smoothly, it is possible to prevent the locking member 133 from being arbitrarily separated from the locking groove 141 .

On the other hand, the locking part 130 of this embodiment has a double locking structure, and in order for the locking member 133 of the first locking member 131 to come off with respect to the locking groove 141, the first locking member 131 It is necessary to unlock the second locking member 135 for the

To this end, the second locking member 135 is mounted in the locking bracket 134 to be positioned above the first locking member 131, which includes a fixing groove provided in the first locking member 131 by rotation ( 131h) may be provided with a fixing member 135b.

Therefore, when the unlocking wire 137 is pulled, the engagement of the fixing member 135b of the second locking member 135 with respect to the fixing groove 131h of the first locking member 131 is released, and then the operating unit 140 The locking of the locking member 133 of the first locking member 131 to the locking groove 141 of the locking member 131 may be released to operate the above-described operating unit 140 .

Here, when the unlocking wire 137 is pulled, the first locking member 131 and the second locking member 135 can be rotated at once around the respective shafts 131a and 135a. 131 and the second locking member 135 are provided with through-holes 132 and 136 through which the unlocking wire 137 passes, respectively, and the through-hole of the first locking member 131 is provided in the unlocking wire 137, respectively. Locking pieces 138 and 139 caught in the through hole 136 of the 132 and the second locking member 135 may be mounted.

Due to this locking structure, when the unlocking wire 137 is pulled, the locking holes 138 and 139 are caught in the respective through-holes 132 and 136, thereby locking the first locking member 131 and the second locking member 135 together. It can be pulled upwards at once.

Meanwhile, referring to FIG. 4 , the unlocking wire 137 may be extended and mounted to a position higher than the upper end of the fixed frame member 111. For example, a person on the upper floor may pull the unlocking wire 137. It is possible to evacuate to the floor below.

However, by pulling the unlocking wire 137, the locking of the operating unit 140 to the locking unit 130 can be unlocked, but the unlocking structure is not limited thereto, and as shown in FIG. 1, the frame unit ( The locking of the operating unit 140 from the locking unit 130 may be released by pulling the unlocking knob 150 provided in the locking unit 110 .

In general, in case of disaster, the direction of evacuation is toward the lower floor. When a person on the upper floor pulls the unlocking wire 137 of the foldable evacuation ladder device 100 provided on the lower floor, the operating unit 140 for the locking unit 130 ) can be unlocked, and through this, the frame part 110 and the bottom plate part 120 can be unfolded, and the person on the upper floor can open and close the door provided in the bottom plate part 120 of his/her ladder device 100. Through 123, you can move to the ladder device 100 spread on the floor below.

In this way, in the event of a disaster, a person who has suffered a disaster can easily operate the foldable evacuation ladder device 100 provided on his/her floor, as well as the foldable evacuation ladder device 100 provided on the lower floor through the unlocking wire 137 It can be operated easily by pulling, so the evacuation process can be carried out smoothly.

Meanwhile, as shown in FIGS. 2 and 3 , the unlocking wire 137 of this embodiment may be provided with two wires 137a and 137b. In other words, the unlocking wire 137 is bent at the top so that two strands can come down, and one of the wires 137a is connected to the first locking member 131 and the second locking member of the locking part 130 ( 135, and the other wire 137b may be provided in the rotational roller unit 180 that directly pushes the operation unit 140.

In other words, when both strands of the unlocking wire 137 are pulled, the locking of the operating unit 140 relative to the locking unit 130 is released, and the operating unit 140 is pushed by the rotating roller unit to interlock with the frame. The portion 110 and the bottom plate portion 120 are unfolded.

As shown in FIG. 2, the rotational roller unit 180 of this embodiment is rotatably mounted on the mounting bracket 181 mounted on the side of the fixed frame member 111 and the other strand of the unlocking wire 137. When the unlocking wire 137b is connected and pulled, the rotation member 182 rotates forward (clockwise in FIG. 2), and the operation unit 140 protrudes from the side of one end of the rotation member 182. It may include a push member 183 that pushes.

In addition, a curved guide path hole 186 guided by a guide protrusion 185 mounted on the mounting bracket 181 may be formed through the pivot member 182. When the unlocking wire 137 is pulled upward, While the guide path hole 186 is relatively moved with respect to the fixed guide protrusion 185, the rotation member 182 can be rotated clockwise as a whole, and at this time, the push member 183 is unlocked, the operation unit 140 By pushing, the operating unit 140 can operate the frame unit 110 and the bottom plate unit 120 while unfolding.

Meanwhile, as shown in FIG. 1 , in order to return the unfolded frame unit 110 and the bottom plate unit 120 to a folded state, the operation unit 140 is folded around the center by pulling the operation unit 140. and the locking groove 141 of the operating unit 140 should be caught on the latch 133 of the first locking member 131. For this purpose, the operating unit 140 of the present embodiment is provided with a pull handle member 145. It can be.

The pulling handle member 145 of the present embodiment is rotatably mounted to the other end of the operating unit 140, and a gripping portion 146 that can be gripped by a person is provided at the end so that the gripping portion 146 is gripped. When the operation unit 140 is pulled out, the locking groove 141 of the operation unit 140 is caught by the lock 133.

In other words, the locking operation of the operation unit 140 with respect to the locking unit 130 can be performed by a simple operation of pulling the pull handle member.

As such, according to one embodiment of the present invention, by a simple operation of the locking unit 130, for example, by pulling the unlocking wire 137 provided in the locking unit 130, the operation unit 140 ) to convert the frame unit 110 and the bottom plate unit 120 into an unfolded state for evacuation, enabling quick response in case of a disaster, and a simple operation of pulling a part of the operating unit 140 even after use. By this, it is possible to return the frame part 110 and the bottom plate part 120 to their original states.

In addition, when a disaster occurs, a person on the upper floor can unfold the lower floor folding evacuation ladder device 100 by a simple operation of pulling the wire 137, thereby evacuating smoothly.

In addition, since the cover part 170 and the louver can be mounted on the front of the frame part 110, aesthetics can be maintained.

On the other hand, in the following, the configuration of the folding evacuation ladder device according to another embodiment of the present invention will be described, but the description of the portion substantially corresponding to the ladder device of the above-described embodiment will be omitted.

5 is a perspective view of an evacuation ladder device according to another embodiment of the present invention.

As shown therein, the foldable evacuation ladder device 200 according to another embodiment of the present invention is an I-type evacuation ladder device, has a rectangular parallelepiped shape as a whole, and although not shown in detail, locking of the operation unit for the locking portion 230 may have a wire structure for releasing.

In addition, the door opening handle part 260 is mounted to the frame part 210 to be able to pull, so that when the door opening handle part 260 is pulled, the opening and closing door 223 is opened so that evacuation can be made smoothly.

In addition, a separate lock release knob 290 may be provided in the frame unit 210 to release the double locking of the operation unit for the lock unit 230, and when the lock release knob 290 is pulled, the lock unit The locking structure between the 230 and the operation unit is released so that the operation unit can be operated, and through this, the frame unit 210 and the bottom plate unit 220 can be unfolded.

On the other hand, in the following, the configuration of the foldable evacuation ladder device according to another embodiment of the present invention will be described, but the description of the portion substantially corresponding to the ladder device of the above-described embodiments will be omitted.

6 is a perspective view of an evacuation ladder device according to another embodiment of the present invention.

As shown therein, the foldable evacuation ladder device 300 according to another embodiment of the present invention is a type B evacuation ladder device, has a rectangular parallelepiped shape as a whole, and although not shown in detail, locking of the operation unit for the locking portion 330 may have a wire structure for releasing.

In addition, the door opening handle 360 is mounted to the frame 310 to be capable of being pulled, so that when the door opening handle 360 is pulled, the opening and closing door 323 is opened so that evacuation can be made smoothly.

In addition, a separate lock release knob 390 may be provided in the frame unit 310 to release the lock of the operation unit for the lock unit 330, and when the lock release knob 390 is pulled, the lock unit is locked. This release allows the frame unit 310 and the bottom plate unit 320 to be unfolded.

Although specific embodiments according to the present invention have been described so far, various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments and should not be defined, but should be defined by not only the scope of the claims described later, but also those equivalent to the scope of these claims.

As described above, although the present invention has been described by the limited embodiments and drawings, the present invention is not limited to the above embodiments, and those skilled in the art in the field to which the present invention belongs can make various modifications and transformation is possible Therefore, the spirit of the present invention should be grasped only by the claims described below, and all equivalent or equivalent modifications thereof will be said to belong to the scope of the spirit of the present invention.

100: folding evacuation ladder device
110: frame part
111: fixed frame member
112: fixing member
113: front frame member
115: connecting frame member
117: frame part
120: bottom plate part
123: opening and closing door
130: locking part
131: first locking member
131a: axis of the first locking member
131h: fixed groove
132, 136: through hole
133: catch
134: locking bracket
135: second locking member
135a: axis of the second locking member
135b: clamp
137: unlock wire
138, 139: hook
140: operating unit
141: catch groove
145: pulling handle member
146: gripping part
150: unlock handle part
160: door opening handle
170: cover part
180: rotating roller unit
181: mounting bracket
182: rotation member
183: push member
185: guide projection
186: guide path hole
200, 300: folding evacuation ladder device
210, 310: frame part
220, 320: bottom plate portion
223, 323: opening and closing door
230, 330: locking part
260, 360: door opening handle
290, 390: lock release handle

Claims (16)

A frame unit including a fixed frame member fixed to an outer wall of a building and a front frame member connected to the fixed frame member by a connection frame member and folded or unfolded with respect to the fixed frame member;
The rear end is connected to the lower end of the fixed frame member, the front end is connected to the lower end of the front frame member, and the bottom plate is folded or unfolded together when the front frame member is folded or unfolded with respect to the fixed frame member by the connection frame member. wealth;
a locking unit locking or unlocking the front frame member with respect to the fixed frame member; and
One end is rotatably coupled to the lower end of the fixed frame member and has a length corresponding to the width of the bottom plate portion, and rotates when the lock is released from the locking portion, and the front frame member and the bottom plate relative to the fixed frame member an operating unit that operates the unit;
Including,
the locking part,
A first locking member having a latch that is caught in the locking groove of the operating unit in a folded state;
a second locking member locking the operation of the first locking member; and
By operating the first locking member and the second locking member at once to release the locking of the locking member to the locking groove, the front frame member is spread with respect to the fixed frame member by the operation of the operating unit and the bottom plate Foldable evacuation ladder device, characterized in that it comprises an unlocking wire that allows to unfold.
delete delete According to claim 1,
The first locking member is axially coupled to a locking bracket mounted on a side surface of the fixed frame member to be rotatable up and down,
When the unlocking wire is pulled, the locking member of the first locking member is released from the locking groove of the operation unit, and unlocking is performed.
When the operating part is pulled to the original folded state, the locking groove is caught in the locking but not arbitrarily released, so that the locking member has a right-angled triangle shape because one side is inclined downward and the other side is vertical. Device.
According to claim 4,
The second locking member is mounted in the locking bracket so as to be positioned above the first locking member, and is provided with a fixing member engaged in a fixing groove provided in the first locking member by rotation,
When the unlocking wire is pulled, the locking member of the second locking member with respect to the fixing groove of the first locking member is released, and the locking member of the first locking member with respect to the locking groove of the operation unit is released. The foldable evacuation ladder device, characterized in that the frame portion and the bottom plate portion are unfolded by the operation of the operation unit.
According to claim 5,
The first locking member and the second locking member are provided with a through hole through which the unlocking wire passes,
The unlocking wire is equipped with an engaging hole that is respectively engaged in the through-hole of the first locking member and the through-hole of the second locking member, so that when the unlocking wire is pulled, the first locking member and the second locking member Folding evacuation ladder device, characterized in that the operation.
According to claim 1,
The folding escape ladder device, characterized in that the unlocking wire is mounted at a higher position than the upper end of the fixed frame member and can be operated on the upper floor of the corresponding floor of the building.
According to claim 1,
The folding escape ladder device, characterized in that the unlocking wire is provided in two strands, one connected to the first locking member and the second locking member, and the other connected to the rotating roller unit pushing the operating unit.
According to claim 8,
The rotating roller part,
a pivoting member rotatably mounted on a mounting bracket mounted on a side surface of the fixed frame member and rotating forward when the unlocking wire is connected and pulled by the unlocking wire; and
Foldable evacuation ladder device, characterized in that it comprises a push member protruding from the side of one end of the pivot member to push the operating unit.
According to claim 9,
The folding evacuation ladder device, characterized in that the curved guide path hole guided by the guide protrusion mounted on the mounting bracket is formed through the rotating member.
According to claim 1,
The bottom plate part is provided with an opening and closing door for movement,
The folding evacuation ladder device, characterized in that the opening and closing door is folded and unfolded together when the bottom plate portion is folded and unfolded.
According to claim 11,
The foldable evacuation ladder device further comprises a door opening handle that is mounted on the frame portion to be connected to the opening and closing door and opens the opening and closing door when pulled.
According to claim 1,
The connection frame member has a pair of frame parts connected to each other, and the pair of frame parts are connected by hinges so as to be folded inward.
According to claim 13,
The folding evacuation ladder device, characterized in that the frame portion is provided in a ladder type.
According to claim 1,
A folding escape ladder device, characterized in that a cover part is mounted on the front frame member to cover the frame part, and a louver is mounted on the cover part.
According to claim 1,
The foldable escape ladder device, characterized in that the operation unit is provided with a pulling handle member for pulling the operation unit in an unfolded state so that the operation unit is located on the side of the fixed frame member.

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