KR102393184B1 - Elevator For Emergency Escape - Google Patents

Abstract

The present invention relates to an elevator for an emergency escape which allows evacuation from an upper floor to a lower floor without separate power when an emergency situation such as a fire occurs. The elevator for an emergency escape comprises: a guide unit wherein the upper end thereof, on which a guide bracket including at least one sprocket is installed, is fixed on an emergency exit formed on an upper floor slab of a building, and the lower end thereof is fixed on a lower floor slab of the building; a footplate unit formed to correspond to the emergency exit to move vertically along the guide unit; a weight having a chain fastening pin provided therein and inserted to be vertically moved and including a spring formed between the upper surface of the inside thereof and the lower end of the chain fastening pin to move vertically along the inner circumferential surface of the guide unit; and a chain wherein one end thereof is fixed on one side of the footplate unit and the other end thereof is fixed on the chain fastening pin through the sprocket.

Description

Elevator For Emergency Escape

The present invention relates to an emergency escape elevator, and more particularly, to an emergency escape elevator capable of evacuating from an upper floor to a lower floor without separate power when an emergency situation such as a fire occurs.

In general, in collective buildings such as apartments or multi-family houses, or in buildings of a certain size or larger, private facilities for emergency evacuation, such as braces or ladders, are provided so that people can evacuate in case of emergency such as fire.

However, when an emergency such as a fire occurs, when a user uses an emergency escape facility such as a pusher or ladder, he/she experiences difficulty in operating the pusher due to a fear of heights, etc. along with a sense of fear due to fire or stumbles on a ladder. or is often missed.

To this end, in Korean Patent Laid-Open Publication No. 10-2011-0019632, as shown in FIG. 1 , it is provided in the main housing and elastically fitted into the guide groove of the monorail 10 so that the main housing is mounted on the monorail 10 . When the mounting piece is fitted into the guide groove, a rotary gear installed inside the main housing to mesh with the guide gear of the monorail 10 and rotated along the guide gear, and the rotary gear meshed on the same shaft A reduction gear installed inside the main housing to mesh with the driven gear and rotated according to the rotation of the driven gear, a reduction piece radially disposed to receive centrifugal force from the reduction wheel of the reduction gear, and the reduction wheel and the reduction piece Disclosed is an emergency escape device (20) including a reduction cover that is fixed to surround and prevents rotation of the reduction wheel by causing the reduction piece to come into contact with the inner surface by centrifugal force according to the rotation of the reduction wheel.

However, such a conventional emergency evacuation device has a risk of having difficulty in operation or falling by slipping on a footrest, similar to the conventional stout gear, as the user has to operate the brake when an emergency situation such as a fire occurs.

In addition, this conventional emergency escape device is accompanied by the inconvenience of having to manually transport it back to the upper floor when the descent from the upper floor to the lower floor is completed.

Republic of Korea Patent Publication No. 10-2011-0019632 (published on February 28, 2011)

SUMMARY OF THE INVENTION It is an object of the present invention to provide an emergency escape elevator that can move from an upper floor to a lower floor only by boarding without a user's special operation in an emergency situation such as a fire.

In addition, it is an object of the present invention to provide an emergency escape elevator that automatically returns from the lower floor to the upper floor when the user gets off.

The objects of the present invention are not limited to the objects mentioned above, and other objects and advantages of the present invention not mentioned may be understood by the following description, and will be more clearly understood by the embodiments of the present invention.

In order to solve the above problems, in the emergency escape elevator according to the present invention, an upper end on which a guide bracket including at least one or more sprockets is installed is fixed to an emergency exit formed in a slab on the upper floor of a building, and the lower end is fixed to a lower slab of a building A guide part, a footrest part that is formed to correspond to the emergency exit and moves up and down along the guide part, a chain fastening pin inserted so as to be movable up and down is provided therein, and is formed between the inner upper surface and the lower side of the chain fastening pin A weight including a spring and moving up and down along the inner circumferential surface of the guide part, and a chain having one end fixed to one side of the footrest part and the other end fixed to the chain fastening pin through the sprocket.

Accordingly, when the footrest part is located on the side of the emergency exit, the chain fastening pin is located inside the lower side of the weight, and the spring is extended.

Conversely, when the footrest part is positioned on the lower slab side, the chain fastening pin is positioned on the inner upper side of the weight, and the spring is compressed.

Meanwhile, the scaffolding unit may include a plurality of rollers supporting the outer circumferential surface of the guide unit.

In addition, the guide bracket preferably includes at least one centrifugal brake installed on one side or both sides of the rotation shaft of the sprocket.

In this case, more preferably, the guide bracket may further include at least one cooling fan installed on one side of the centrifugal brake and rotating together with the rotation shaft of the sprocket.

As described above, the elevator for emergency evacuation according to the present invention can move from the upper floor to the lower floor only by boarding without a user's special operation, so that it can induce a more rapid evacuation in case of an emergency such as a fire.

In addition, the emergency escape elevator according to the present invention automatically returns from the lower floor to the upper floor when the user gets off, so that a plurality of users can continuously use it.

In addition to the above-described effects, the specific effects of the present invention will be described together while describing specific details for carrying out the invention below.

1 is a block diagram showing the overall configuration of a conventional emergency elevator.
2 is a side view illustrating a state in which the footrest is moved upward in the elevator for emergency escape according to an embodiment of the present invention.
3 is a side view illustrating a state in which the footrest is moved downward in the elevator for emergency escape according to an embodiment of the present invention.

The above-described objects, features and advantages will be described below in detail with reference to the accompanying drawings, and accordingly, those of ordinary skill in the art to which the present invention pertains will be able to easily implement the technical idea of the present invention.

In describing the present invention, if it is determined that a detailed description of a known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description will be omitted.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to indicate the same or similar components.

In the following, that an arbitrary component is disposed on the "upper (or lower)" of a component or "upper (or below)" of a component means that any component is disposed in contact with the upper surface (or lower surface) of the component. Furthermore, it may mean that other components may be interposed between the component and any component disposed on (or under) the component.

In addition, when it is described that a component is “connected”, “coupled” or “connected” to another component, the components may be directly connected or connected to each other, but other components are “interposed” between each component. It should be understood that “or, each component may be “connected,” “coupled,” or “connected” through another component.

As used herein, the singular expression includes the plural expression unless the context clearly dictates otherwise.

In the present application, terms such as “consisting of” or “comprising” should not be construed as necessarily including all of the various components or various steps described in the specification, some of which components or some steps are It should be construed that it may not include, or may further include additional components or steps.

Throughout the specification, when referring to “A and/or B”, it means A, B or A and B, unless specifically stated to the contrary, and when referring to “C to D”, it is Unless otherwise specified, it means that it is greater than or equal to C and less than or equal to D.

Hereinafter, an emergency escape elevator according to some embodiments of the present invention will be described.

The elevator for emergency escape according to the present invention is installed on a slab of a building to safely evacuate people in emergency situations such as fire. can be installed.

In addition, a plurality of emergency escape elevators according to the present invention may be installed for distributed evacuation of evacuees.

In addition, the emergency escape elevator according to the present invention may be continuously installed in alternating directions repeatedly along the upper and lower floor slabs in consideration of the situation of the building, or may be installed in a specific slab, leading from the upper floor to the lower floor, such as the outer wall of the building. It can be installed in various locations.

2 and 3 are side views each showing a state in which the footrest is moved to the upper slab side and the lower slab side in the emergency escape elevator according to an embodiment of the present invention.

2 and 3 , the elevator for emergency escape according to the present invention includes a guide part 100 , a footrest part 200 , a weight 300 , and a chain 400 .

More specifically, the guide part 100 includes a guide bracket 110 fixedly installed at the upper end, the upper end is fixed to the emergency exit side formed in the upper slab, and the lower end is fixed to the lower slab.

In addition, the guide part 100 may be a hollow rectangular frame or a 'C'-shaped frame with one side open.

In addition, the guide part 100 may be a polygonal frame including a hollow circular shape.

In addition, the guide part 100 is preferably formed perpendicular to the upper slab and the lower slab.

In addition, the guide bracket 110 includes at least one sprocket 111 and at least one centrifugal brake 120 installed on one side or both sides of the rotation shaft of the sprocket 111 .

In this case, the centrifugal brake 120 is a device that automatically brakes by contact with a centrifugal force when the brake plate rotating together with the rotating shaft has a predetermined rotational speed or higher, and various known structures may be applied.

In addition, the guide bracket 110 may further include a cooling fan 121 on the rotating shaft of the sprocket 111 to cool the heat generated when the centrifugal brake 120 is operated.

More specifically, the cooling fan 121 rotates together with the sprocket 111 to supply relatively cool air to the centrifugal brake 120 to cool the centrifugal brake 120 .

In addition, the centrifugal brake 120 and the cooling fan 121 may be formed on separate rotation shafts that rotate in conjunction with the rotation shaft of the sprocket 111 .

On the other hand, the scaffold 200 includes a lifting bracket 210 on which a plurality of rollers 211 supporting the guide part 100 are installed and moves up and down along the guide part 100 .

In addition, although the footrest 200 may be formed as a whole rectangular plate, it goes without saying that various shapes for supporting the user may be applied.

For example, when the scaffold 200 is a square plate, the emergency exit is formed in an approximately '凸' shape so that the upper end of the guide part 100 and the scaffold 200 are exposed. desirable.

In addition, the roller 211 may be in contact with the outer peripheral surface of the guide part 100 to stably support the footrest part 200 that moves up and down along the guide part 100 .

On the other hand, the weight 300 is formed to be larger than the weight of the footrest part 200 and moves up and down along the guide part 100 .

In addition, as shown in FIG. 2 , the weight 300 may be embedded in the guide part 100 and supported by the inner surface of the guide part 100 when moving up and down.

Accordingly, the cross-section of the weight 300 is formed to correspond to the shape of the inner cross-section of the guide part 100 .

In addition, the cross-sectional area of the weight 300 is formed smaller than the inner cross-sectional area of the guide part 100 .

In addition, a plurality of rollers may be formed on the outer peripheral surface of the weight 300 for more stable vertical movement.

In addition, the weight 300 has a chain fastening pin 310 inserted therein to be movable up and down and includes a spring 320 formed between the inner upper surface and the lower side of the chain fastening pin 310 . .

To this end, the weight 300 has a hole extending from the lower side to the upper side so that the chain fastening pin 310 can be inserted, and the chain 400 is fastened to the chain fastening pin 310 at the upper end. A hole is formed so as to extend outward from the upper side of the weight 300 .

At this time, the diameter of the hole formed at the top of the weight 300 is formed smaller than the diameter of the chain fastening pin 310 to prevent the chain fastening pin 310 from being separated to the upper side of the weight 300 . do.

On the other hand, the upper end of the spring 320 is fixed to the inner upper surface of the weight 300 and the lower end is fixed to the lower side of the chain fastening pin 310 .

To this end, the chain fastening pin 310 may include a rib formed to be larger than the diameter of the chain fastening pin 310 to support the spring 320 on the lower end side.

That is, it is preferable that the diameter of the spring 320 is larger than the diameter of the chain fastening pin 310 and smaller than the diameter of the hole formed at the lower end of the weight 300 .

Meanwhile, the chain 400 has one end fixed to the footrest 200 and the other end fixed to the chain fastening pin 310 via the sprocket 111 .

On the other hand, the chain 400 has one end fixed to the scaffolding part 200 from the outside of the guide part 100 and the other end of the chain fastening pin inside the guide part 100 through the sprocket 111 . It is fixed at 310 .

More preferably, the chain 400 is opposite to the direction in which the user enters the scaffold 200 in order to prevent contact with the user's body or clothes when the user enters and positions the scaffold 200 . One end is disposed on the side and fixed to the lifting bracket 210 , and the other end is disposed inside the guide part 100 and fixed to the upper end of the chain fastening pin 310 .

On the other hand, the operating method of the emergency escape elevator according to the present invention configured as described above is as follows.

In the initial state, the scaffold 200 is formed to be lighter than the weight of the weight 300 and is positioned above the guide part 100 as shown in FIG. 2 .

At this time, it is preferable that the scaffolding part 200 is formed to be positioned at the same height as the upper surface of the emergency exit.

In addition, the weight 300 is located below the guide part 100 .

At this time, the chain fastening pin 310 is located on the inner lower side of the weight 300 , and the spring 320 is in an extended state so that the footrest 200 and the upper end of the guide 100 are connected. height may be reduced.

Accordingly, it is possible to minimize the protrusion of the upper end of the guide part 100 toward the upper slab.

Thereafter, when the user enters the scaffold 200 and climbs up, the load of the scaffold 200 and the user's load are added to become larger than the weight of the weight 300 , the chain 400 is the sprocket 111 . By rotating and moving, the scaffold 200 descends and the weight 300 rises.

In this case, when the rotational speed of the sprocket 111 rotates at a speed greater than or equal to a preset speed, the descending speed of the footrest 200 is reduced by the centrifugal brake 120 .

Thereafter, as shown in FIG. 3 , when the footrest part 200 is positioned below the guide part 100 , the chain fastening pin 310 is positioned on the inner upper side of the weight 300 , and the spring 320 is in a compressed state, so that the height between the scaffold 200 and the lower slab may be significantly reduced.

On the other hand, when the footrest part 200 is completely moved toward the lower slab side as described above and the user departs from the footrest unit 200, the footrest unit 200 rises and the weight 300 descends. to return to the initial position.

Also at this time, when the rotation speed of the sprocket 111 rotated by the chain 400 rotates at a speed greater than or equal to a preset speed, the sinking speed of the footrest unit 200 is reduced by the centrifugal brake 120 .

On the other hand, the emergency escape elevator according to the present invention may further include a sensor capable of detecting an object on the lower side of the scaffold 200 and a notification unit for generating a signal such as a warning sound according to a signal detected by the sensor. .

In addition, it may further include a brake means (not shown) for limiting the movement of the chain 400 according to the signal detected by the sensor.

For example, the brake means may be a brake that limits the rotation of the sprocket 111 .

Accordingly, the emergency escape elevator according to the present invention prevents a safety accident that may occur as a person or luggage is located under the scaffold 200 when a user boards and descends on the scaffold 200 . can be prevented

As described above, the present invention has been described with reference to the illustrated drawings, but the present invention is not limited by the embodiments and drawings disclosed in the present specification. It is obvious that variations can be made.

In addition, although the effects according to the configuration of the present invention have not been explicitly described and described while describing the embodiments of the present invention, it is natural that the effects predictable by the configuration should also be recognized.

100. Guide
110. Guide bracket
111. Sprockets
120. Centrifugal brake
121. Cooling fan
200. Footrest
210. Lifting Bracket
211. Roller
300. Weight
310. Fastening Pins
320. Spring
400. Chain

Claims (5)

a guide unit having an upper end on which a guide bracket including at least one or more sprockets is installed and fixed to an emergency exit formed in a slab on the upper floor of a building, and a lower end fixed on the lower slab of the building;
a footrest part formed to correspond to the emergency exit and moving up and down along the guide part;
a weight having a chain fastening pin inserted therein to be movable up and down and including a spring formed between an inner upper surface and a lower end of the chain fastening pin and moving up and down along the inner circumferential surface of the guide part; and
A chain having one end fixed to one side of the scaffold and the other end being fixed to the chain fastening pin via the sprocket; including,
When the footrest part is located on the side of the emergency exit, the chain fastening pin is located inside the lower side of the weight, and the spring is extended,
When the footrest part is located on the lower slab side, the chain fastening pin is located on the inner upper side of the weight, and the spring is compressed.
delete The method of claim 1,
The elevator for emergency escape including a plurality of rollers supporting the outer peripheral surface of the guide part.
The method of claim 1,
The guide bracket is
The emergency escape elevator further comprising at least one centrifugal brake installed on the rotation shaft of the sprocket.
5. The method of claim 4,
The guide bracket is installed on one side of the centrifugal brake and the emergency escape elevator further comprising a cooling fan rotating together with the rotation shaft of the sprocket.

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