CN214286438U

CN214286438U - Fire protection device for elevator

Info

Publication number: CN214286438U
Application number: CN202023036259.1U
Authority: CN
Inventors: 张立朝; 罗宇鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-28
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a firebreak device for elevator relates to elevator safety protection technical field. The utility model discloses an install the fixed case at elevator entrance department top wall, set up a through groove in the fixed incasement, it is vertical to length-adjustable and be used for keeping off the fire door that prevents that open flame and smog are outside the elevator on the corridor when the conflagration takes place to run through inslot portion to be provided with one. The utility model discloses a fix the case installation and fix at elevator entrance department top wall, then release and pack up through drive assembly and prevent fire door to when the conflagration takes place, through setting up at the vertical smoke transducer perception smog concentration to the side of fixed case in order in time to send fire prevention signal to installing the controller at fixed roof portion and preventing fire door through its control drive assembly release and make the conflagration take place, keep off naked light and dense smoke in the outside, the elevator directly reachs a building this moment, lets the person of taking enough to flee.

Description

Fire protection device for elevator

Technical Field

The utility model relates to an elevator safety protection technical field, concretely relates to fire prevention device for elevator.

Background

An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying people or cargo in a multi-story building. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as escalators or moving walkways. A fixed elevator apparatus serving a predetermined floor. The vertical lift elevator has a car that runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 °. The size and the structural form of the car are convenient for passengers to access or load and unload goods. The rapid development of economy and the continuous promotion of urbanization progress are the main driving force of the increase of elevator demand, and the historical data regression analysis shows that the correlation between real estate investment and elevator demand is high. The commercial real estate investment acceleration is slowed down under the influence of the regulation and control of national policies, but the requirements for elevators are increased by 3600 thousands of sets of security rooms in the 'twelve-five' period, and meanwhile, the output of elevators in China is promoted by the energy-saving modification, replacement and export of a large number of public infrastructure constructions. By 2015, the output of the elevators in China is expected to break 75 thousands of elevators per year and is doubled, and the conservative prediction of the increase speed is about 20%. During the actual use of the elevator.

Sometimes a fire situation occurs at a floor, so that the people in the elevator will be life-threatening, and the current elevators generally do not have measures for fire protection. When a fire disaster occurs in a corridor, once the fire disaster spreads to an elevator entrance, equipment at the elevator entrance and the elevator exit can be damaged, so that people in the elevator are trapped in the elevator and miss escape opportunities, therefore, a fire-proof device for the elevator needs to be designed and is arranged on floors except the first floor, when the fire disaster occurs, open fire and dense smoke are blocked outside, and the elevator directly reaches the first floor at the moment, so that people who take the elevator can escape.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that fire accident happens to floors sometimes, people in the elevator are threatened by life, and the current elevator generally has no fire protection measures. When the conflagration appeared in the corridor, in case the conflagration can cause the damage to elevator business turn over mouth department equipment when stretching the elevator mouth, make personnel miss the chance of fleing in the stranded elevator in the elevator, for this reason we need design a fire protection device for the elevator, set up at the floor except floor one, when the conflagration takes place, will open flame and dense smoke keep off in the outside, the elevator directly reachs one floor this moment, lets the problem that takes personnel to be enough to flee, the utility model provides a fire protection device for the elevator.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a firebreak device for elevator, includes that one installs the fixed case at elevator entrance department top wall, set up a through groove in the fixed case, it is provided with a vertical fire door of preventing that open fire and smog kept off the elevator outdoors to pass through inslot portion and be used for the corridor when the conflagration takes place, the fixed case is located prevent that fire door top is provided with one and be used for the drive prevent that fire door packs up or puts down drive assembly, the vertical side-mounting of fixed case has a smoke transducer who is used for receiving smog concentration and exports fire prevention signal, still includes one to fix fixed roof portion just is used for receiving fire prevention signal's controller, the controller is used for controlling when the conflagration takes place drive assembly work will prevent that fire door puts down.

Furthermore, the fireproof door comprises a plurality of fireproof plates which are arranged in the through groove in a straight line, a pair of sliding blocks fixed with the fireproof plates are arranged on one side of the fireproof plates in the thickness direction, a pair of sliding grooves I are formed in the other side of the fireproof plates, a pair of sliding grooves II which are formed in the through groove and located on the fixed box and a falling-preventing hole formed in the thickness direction of the fireproof plates are further included, the sliding grooves II and the sliding grooves I are matched with the sliding blocks and used for guiding the sliding blocks to move vertically.

Furthermore, the drive assembly comprises a base and a falling-preventing assembly, wherein the base is arranged at the top of the fixed box and is fixed with the fixed box, the motor is arranged on the base and is used for driving the fireproof plate to vertically slide, a winding wheel is arranged at the tail end of an output shaft of the motor, the winding wheel is connected with the fireproof plate through a steel wire rope, and the falling-preventing assembly is used for being matched with the falling-preventing hole to fix the fireproof plate in the through groove.

Furthermore, the anti-falling assembly comprises a base fixed on the fixed box, an electric push rod fixed with the base is arranged on the base, and the tail end of an output shaft of the electric push rod is connected with a limiting rod inserted into the anti-falling hole.

Furthermore, a plurality of mounting plates fixed with the fixing box are constructed on one side of the wall surface, which is attached to the fixing box, and a plurality of mounting grooves for screws to pass through are constructed on the mounting plates.

The utility model has the advantages as follows:

1. the utility model discloses a fix the case installation and fix at elevator entrance department top wall, then release and pack up through drive assembly and prevent fire door to when the conflagration takes place, through setting up at the vertical smoke transducer perception smog concentration to the side of fixed case in order in time to send fire prevention signal to installing the controller at fixed roof portion and preventing fire door through its control drive assembly release and make the conflagration take place, keep off naked light and dense smoke in the outside, the elevator directly reachs a building this moment, lets the person of taking enough to flee.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is another perspective view of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

reference numerals: 1. a fixed box; 11. mounting a plate; 12. mounting grooves; 2. a through groove; 3. a fire door; 31. a fire-proof plate; 32. a slider; 33. a first sliding chute; 34. a second chute; 35. preventing the hole from falling; 4. a drive assembly; 41. a base; 42. an electric motor; 43. a winding wheel; 44. an anti-drop assembly; 441. a base; 442. an electric push rod; 443. a restraining bar; 5. a smoke sensor; 6. and a controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, 2 and 3, a fire protection apparatus for an elevator, includes a fixing box 1 installed on a top wall of an elevator entrance, a through slot 2 is formed in the fixing box 1, a fire door 3 which is adjustable in vertical length and is used for blocking open fire and smoke in a corridor when a fire occurs outside an elevator door is disposed in the through slot 2, a driving assembly 4 for driving the fire door 3 to be retracted or lowered is disposed above the fixing box 1, a smoke sensor 5 for receiving smoke concentration and outputting a fire protection signal is installed on a vertical side surface of the fixing box 1, a controller 6 fixed on a top of the fixing box 1 and used for receiving the fire protection signal, the controller 6 is used for controlling the driving assembly 4 to operate to lower the fire door 3 when a fire occurs, and in some embodiments, the fixing box 1 is installed and fixed on the top of the elevator entrance, then, the fire door 3 is released and retracted through the driving assembly 4, and when a fire occurs, the smoke sensor 5 arranged on the vertical side surface of the fixing box 1 senses smoke concentration to send a fire prevention signal to the controller 6 arranged on the top of the fixing box 1 in time, and the driving assembly 4 is controlled to release the fire door 3, so that when the fire occurs, open fire and dense smoke are blocked outside, the elevator directly reaches the first floor at the moment, and passengers can escape, more specifically, when the fire occurs, as shown in fig. 1, when the smoke sensor 5 detects the smoke concentration, the smoke sensor sends a fire prevention signal to the controller 6, and at the moment, the controller 6 controls the driving assembly 4 to release the fire door 3 to block the open fire and the smoke outside, namely, the state shown in fig. 3.

As shown in fig. 3, 4 and 5, the fire door 3 includes a plurality of fire-proof plates 31 arranged in a row in the through-slot 2, one side of the fire-proof plate 31 in the thickness direction is provided with a pair of sliding blocks 32 fixed with the fire-proof plate 32, and the other side is provided with a pair of sliding grooves 33, and further includes a pair of sliding grooves 34 arranged in the through-slot 2 and located on the fixed box 1 and a drop-proof hole 35 arranged in the thickness direction of the fire-proof plate 31, the sliding grooves 34 and the sliding grooves 33 are both matched with the sliding blocks 32 and used for guiding the sliding blocks 32 to move vertically, when the fire-proof plate 31 arranged in a row moves downwards, as shown in fig. 5, the first fire-proof plate 31 on the left moves downwards under the guide of the sliding blocks 32 and the sliding grooves 34, until the end of the sliding groove 34 and then the second fire-proof plate 31 move downwards under the guide of the sliding grooves 33 and the sliding blocks 32 until the end of the sliding grooves 33, and the remaining fire-proof plate 31 moves downwards in the same way, until the entrance and exit of the elevator are closed.

As shown in fig. 3, 4 and 5, the driving assembly 4 includes a base 41 fixed to the top of the fixed box 1, a motor 42 mounted on the base 41 and used for driving the fireproof plate 31 to slide vertically, a winding wheel 43 mounted at the end of the output shaft of the motor 42, the winding wheel 43 connected to the fireproof plate 31 through a steel cable, and a falling prevention assembly 44 used for fixing the fireproof plate 31 in the through groove 2 in cooperation with the falling prevention hole 35.

As shown in fig. 3, 4 and 5, the anti-falling assembly 44 includes a base 441 fixed on the fixed box 1, an electric push rod 442 fixed on the base 441, a limit rod 443 inserted into the anti-falling hole 35 is connected to the end of the output shaft of the electric push rod 442, when a fire occurs, the controller 6 issues a command, the anti-falling assembly 44 operates, the electric push rod 442 pulls the limit rod 443 to be drawn out from the anti-falling hole 35, then the motor 42 rotates, the in-line fire prevention plate 31 moves vertically downward under the cooperation of the slide block 32, the first sliding groove 33 and the second sliding groove 34 until the entrance and the exit of the elevator are closed, and open fire and smoke are blocked outside.

As shown in fig. 1, a plurality of mounting plates 11 are fixed to the side of the fixing box 1 close to the wall surface, and a plurality of mounting grooves 12 for screws to pass through are formed on the mounting plates 11.

Claims

1. A fire protection device for an elevator is characterized by comprising a fixed box (1) arranged on the top wall surface of an elevator entrance, a through groove (2) is arranged in the fixed box (1), a fireproof door (3) which is adjustable in vertical length and used for blocking open fire and smoke on a corridor outside an elevator door when a fire disaster happens is arranged in the through groove (2), a driving component (4) for driving the fireproof door (3) to fold or put down is arranged above the fireproof door (3) of the fixed box (1), a smoke sensor (5) for receiving smoke concentration and outputting a fire-proof signal is vertically arranged on the side surface of the fixed box (1), the fire-proof device also comprises a controller (6) which is fixed on the top of the fixed box (1) and is used for receiving the fire-proof signal, the controller (6) is used for controlling the driving assembly (4) to work to put down the fireproof door (3) when a fire disaster happens.

2. The fire protection device for the elevator according to claim 1, wherein the fire door (3) comprises a plurality of fire protection plates (31) which are arranged in a row in the through groove (2), one side of the fire protection plate (31) in the thickness direction is provided with a pair of sliding blocks (32) fixed with the fire door and the other side is provided with a pair of sliding grooves (33), the fire protection device further comprises a pair of sliding grooves (34) which are formed in the through groove (2) and located on the fixed box (1) and a drop-proof hole (35) which is formed in the thickness direction of the fire protection plate (31), and the sliding grooves (34) and the sliding grooves (33) are both matched with the sliding blocks (32) and used for guiding the sliding blocks (32) to move vertically.

3. Fire protection device for elevator according to claim 2, characterized in that said driving unit (4) comprises a base (41) fixed to the top of said fixed box (1) and a motor (42) mounted on said base (41) for driving said fire protection plate (31) to slide vertically, a winding wheel (43) is mounted at the end of the output shaft of said motor (42), said winding wheel (43) is connected to said fire protection plate (31) by a wire rope, and a drop-proof unit (44) for engaging said drop-proof hole (35) to fix said fire protection plate (31) in said through slot (2).

4. Fire protection device for elevator according to claim 3, characterized in that the anti-falling assembly (44) comprises a base (441) fixed to the fixed box (1), the base (441) is provided with a power push rod (442) fixed thereto, and a limit rod (443) for inserting into the anti-falling hole (35) is connected to an output shaft end of the power push rod (442).

5. Fire protection device for elevator according to claim 1, characterized in that the side of the fixing box (1) facing the wall is constructed with a plurality of mounting plates (11) fixed thereto, and the mounting plates (11) are constructed with a plurality of mounting grooves (12) for screws to pass through.