CN214997231U

CN214997231U - Fire door for building

Info

Publication number: CN214997231U
Application number: CN202023105424.4U
Authority: CN
Inventors: 彭超; 兰家建
Original assignee: Sichuan Xiangneng Power Engineering Co ltd
Current assignee: Sichuan Xiangneng Power Engineering Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-12-03
Anticipated expiration: 2030-12-21

Abstract

The utility model provides a building fireproof door, which comprises a fireproof door body, wherein the front side and the rear side of the fireproof door body are respectively provided with a smoke-proof rolling curtain, the smoke-proof rolling curtain comprises a scroll, a curtain surface arranged on the scroll, and two slide ways vertically arranged on the wall bodies at the two sides of the fireproof door, and the two sides of the curtain surface are respectively connected with the two slide ways in a sliding way; prevent that fire door body top wall is interior to dispose the box, should dispose in the box to the parallel rotatable configuration of spool, should dispose driven gear to the same one end of spool, dispose driving motor in the box, driving motor disposes the drive shaft, and the drive shaft disposes drive gear, two driven gear all mesh with drive gear mutually, and vertical symmetrical disposes a pair of first gasbag strip in the slide, the curtain face is located should be to between the first gasbag strip, and first gasbag strip is connected with same gas tube through the connecting pipe, and the gas tube is connected with the air pump. The utility model has the characteristics of separate the cigarette effectual, production low in manufacturing cost is fit for using widely in the building.

Description

Fire door for building

Technical Field

The utility model relates to a prevent fire door technical field particularly, relate to a fire door is prevented to building.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation within a certain period of time. The fireproof partition is arranged in fireproof partitions, evacuation staircases, vertical shafts and the like and has certain fire resistance, and the fireproof door has the functions of preventing fire from spreading and smoke from diffusing besides the function of a common door, can prevent the fire from spreading within a certain time and ensures personnel evacuation. In the chinese utility model patent of publication No. CN211874329U, the patent name "a fire door is prevented to long-term isolated smoke screen", through set up the function that the cigarette was rolled up the curtain from playing the partition cigarette in preventing fire door body's front and back both sides face, however in this patent technology, need dispose two spool motors and drive, increased the production cost of manufacturing of preventing fire door to through the mode that cylinder drive layering compressed tightly sealed with the curtain face, smog still diffuses from the junction easily, smog isolation effect is not good enough.

Content of application

An object of the utility model is to provide a fire door is prevented to building has solved the problem that proposes in the above-mentioned background art.

The embodiment of the utility model discloses a realize through following technical scheme: a building fireproof door comprises a fireproof door body, wherein smoke-proof rolling curtains are respectively arranged on the front side and the rear side of the fireproof door body, each smoke-proof rolling curtain comprises a rolling shaft, a curtain surface arranged on the rolling shaft, and two slide rails vertically arranged on wall bodies on the two sides of the fireproof door, and the two sides of the curtain surface are respectively connected with the two slide rails in a sliding manner;

prevent that fire door body top wall is interior to dispose the box, should dispose in the box to the parallel rotatable configuration of spool, should dispose driven gear to the same one end of spool, dispose driving motor in the box, driving motor disposes the drive shaft, and the drive shaft disposes drive gear, two driven gear all mesh with drive gear mutually, and vertical symmetrical disposes a pair of first gasbag strip in the slide, the curtain face is located should be to between the first gasbag strip, and first gasbag strip is connected with same gas tube through the connecting pipe, and the gas tube is connected with the air pump.

Furthermore, a first fireproof expansion strip is arranged in the slide way, and the first fireproof expansion strip is arranged close to the slide opening of the slide way.

Furthermore, a pair of L-shaped lining cavities are symmetrically arranged on two sides in the slide way, the first fireproof expansion strip is arranged in the L-shaped lining cavities, the L-shaped lining cavities are communicated with the slide way sliding opening, and the first air bag strip is arranged on the outer wall of the L-shaped lining cavities.

Further, the bottom of the curtain surface is provided with a counterweight strip, the bottom of the fireproof door body is provided with a slot for inserting the arrangement strip, the two sides of the slot are horizontally and symmetrically provided with second air bag strips, and the second air bag strips are connected with an inflation tube through connecting tubes.

Furthermore, the slot notch bilateral symmetry disposes second fire prevention inflation strip.

Further, the connecting pipe is arranged in the wall body, and the air pump is arranged in the box body.

Further, the outer walls of the first air bag strip and the second air bag strip are both provided with fire-proof layers.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

(1) the utility model discloses a configuration drive gear in the driving motor drive shaft to and dispose driven gear on the spool, thereby can provide power to two spools through a driving motor, need not to dispose the motor to the spool respectively, practiced thrift manufacturing cost.

(2) The utility model discloses a dispose first air bag strip and air pump, the air pump is aerifyd first air bag strip, and first air bag strip inflation is sealed the curtain face, avoids smog to enter into the room from the slide in, has better sealed isolated effect.

(3) The utility model discloses a configuration second gasbag strip, when the air pump started, the air was aerifyd the second gasbag strip through gas tube and connecting pipe to the realization is to the sealed of curtain face bottom, has increased the sealed effect of curtain face, and through at slot configuration second fire prevention inflation strip, the second fire prevention inflation strip is heated the inflation and is sealed the slot, increases smoke protection and rolls up curtain fire behavior.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an external view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the middle box body of the present invention;

fig. 4 is a side sectional view of the present invention;

fig. 5 is a cross-sectional view of the middle slide of the present invention;

fig. 6 is a cross-sectional view of the slot of the present invention.

Icon: 1-fireproof door body, 21-scroll, 211-driven gear, 22-curtain surface, 221-counterweight strip, 23-slideway, 231-first air bag strip, 232-first fireproof expansion strip, 233-L-shaped lining cavity, 3-box body, 31-air pump, 32-air tube, 33-connecting tube, 4-driving motor, 41-driving shaft, 42-driving gear, 5-slot, 51-second air bag strip, 52-second fireproof expansion strip and 6-switch.

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.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 to 6, the present embodiment provides a fire door for buildings, including a fire door body 1, wherein smoke-proof rolling shutters are respectively disposed on front and rear sides of the fire door body 1, each smoke-proof rolling shutter includes a roller 21, a curtain surface 22 disposed on the roller 21, and two sliding ways 23 vertically disposed on two side walls of the fire door, and two sides of the curtain surface 22 are respectively connected with the two sliding ways 23 in a sliding manner; a box body 3 is arranged in a wall body above the fireproof door body 1, the pair of reels 21 are parallelly and rotatably arranged in the box body 3, the same ends of the pair of reels 21 are provided with driven gears 211, the box body 3 is provided with a driving motor 4, the driving motor 4 is provided with a driving shaft 41, the driving shaft 41 is provided with a driving gear 42, the two driven gears 211 are both meshed with the driving gear 42, the driving shaft 41 and the driving gear 42 are driven to rotate when the driving motor 4 rotates, so that the two driven gears 211 rotate to drive the reels 21 to rotate, and further the curtain surface 22 moves upwards or downwards between the two slideways 23, and when the curtain surface 22 is completely put down, the curtain surface 22 has an isolation effect on the fireproof door body 1, thereby avoiding the diffusion of smoke; the driving gear 42 is arranged on the driving shaft 41 of the driving motor 4, and the driven gear 211 is arranged on the scroll 21, so that power can be provided for the two scrolls 21 through one driving motor 4, the motors do not need to be respectively arranged on the scrolls 21, and the production cost is saved; a pair of first air bag strips 231 is vertically and symmetrically arranged in the slide 23, the curtain surface 22 is located between the pair of first air bag strips 231, the first air bag strips 231 are connected with the same inflation tube 32 through a connecting tube 33, the inflation tube 32 is connected with an air pump 31, the air pump 31 inflates the first air bag strips 231 by arranging the first air bag strips 231 and the air pump 31, the first air bag strips 231 expand to seal the curtain surface 22, smoke is prevented from entering a room from the slide 23, and a good sealing and isolating effect is achieved. Specifically, the switch 6 for controlling the air pump 31 and the driving motor 4 to be started or closed is arranged on the wall body beside the fireproof door body 1, and the switch 6 is connected with the air pump 31 and the driving motor 4, so that the air pump 31 and the driving motor 4 can be controlled conveniently.

In this embodiment, a first fire-proof expansion strip 232 is further disposed in the chute 23, and the first fire-proof expansion strip 232 is disposed near the sliding opening of the chute 23. A pair of L-shaped lining cavities 233 are symmetrically arranged on two sides in the slide way 23, the first fireproof expansion strip 232 is arranged in the L-shaped lining cavities 233, the L-shaped lining cavities 233 are communicated with a slide opening of the slide way 23, and the first air bag strip 231 is arranged on the outer wall of the L-shaped lining cavities 233. Through dispose L shape lining chamber 233 and first fire prevention inflation strip 232 in slide 23 and improved the intensity and the fire-proof capability of slide 23, L shape lining chamber 233 has increased the anti deformability of slide 23, slide 23 has better resistance to compression effect, and through dispose first fire prevention inflation strip 232 in L shape lining chamber 233 and increased the fire-proof capability of slide 23, when preventing fire door body 1 and meeting with the condition of a fire, prevent that the temperature rises around the fire door, thereby first fire prevention inflation strip 232 is heated the inflation, because first fire prevention inflation strip 232 disposes in slide 23 slide department, thereby the inflation first fire prevention inflation strip 232 seals the wall with slide 23 sliding opening, when having increased the fire-proof roller shutter fire-proof capability again to smog isolation, have better fire prevention and smoke insulation effect.

Further, the bottom of the curtain surface 22 is provided with a counterweight strip 221, the bottom of the fireproof door body 1 is provided with a slot 5 for inserting the strip, two sides of the slot 5 are horizontally and symmetrically provided with second air bag strips 51, the second air bag strips 51 are connected with the inflation tube 32 through a connecting tube 33, and two sides of the slot 5 are symmetrically provided with second fireproof expansion strips 52. Through configuring the second airbag strip 51, when the air pump 31 is started, the air inflates the second airbag strip 51 through the inflation tube 32 and the connecting tube 33, so that the bottom of the curtain face 22 is sealed, the sealing effect of the curtain face 22 is increased, and through configuring the second fireproof expansion strip 52 in the slot 5, the second fireproof expansion strip 52 is heated to expand to seal the slot 5, and the fireproof capacity of the smoke-proof roller shutter is increased.

Further, in order to protect the connection pipe 33 and improve the fireproof performance of the connection pipe 33, the connection pipe 33 is disposed in the wall, and the air pump 31 is disposed in the case 3.

Further, the outer walls of the first air bag strip 231 and the second air bag strip 51 are both provided with a fireproof layer, so that the fireproof capacity of the first air bag strip 231 and the second air bag strip 51 is increased.

When a fire occurs, the driving motor 4 is started, the driving motor 4 rotates to drive the driving gear 42 to rotate, so that the driven gear 211 drives the scroll 21 to rotate, the curtain surface 22 slides downwards along the slide rail 23, the counterweight strip 221 at the bottom of the curtain surface 22 is inserted into the slot 5, then the air pump 31 is started, the air pump 31 delivers air to the inflation tube 32, the air sequentially enters the first air bag strip 231 and the second air bag strip 51 through the connecting tube 33 to inflate, the first air bag strip 231 and the second air bag strip 51 inflate and expand to seal and isolate the curtain surface 22, smoke is isolated outside, and the smoke is prevented from diffusing; when the condition of a fire further enlarges the burning to preventing fire door, prevent that fire door ambient temperature risees, first fire prevention inflation strip 232 and second fire prevention inflation strip 52 are heated the inflation, are sealed slide 23 and slot 5 respectively, keep apart condition of a fire and smog, and the cigarette rolling screen has better fire-proof capability.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A building fireproof door comprises a fireproof door body, wherein smoke-proof rolling curtains are respectively arranged on the front side and the rear side of the fireproof door body, each smoke-proof rolling curtain comprises a rolling shaft, a curtain surface arranged on the rolling shaft, and two slide rails vertically arranged on wall bodies on the two sides of the fireproof door, and the two sides of the curtain surface are respectively connected with the two slide rails in a sliding manner;

the method is characterized in that: prevent that fire door body top wall is interior to dispose the box, should dispose in the box to the parallel rotatable configuration of spool, should dispose driven gear to the same one end of spool, dispose driving motor in the box, driving motor disposes the drive shaft, and the drive shaft disposes drive gear, two driven gear all mesh with drive gear mutually, and vertical symmetrical disposes a pair of first gasbag strip in the slide, the curtain face is located should be to between the first gasbag strip, and first gasbag strip is connected with same gas tube through the connecting pipe, and the gas tube is connected with the air pump.

2. The fire door of claim 1, wherein a first fire-resistant intumescent strip is disposed within the chute adjacent to the chute opening.

3. The fire door of claim 2, wherein a pair of L-shaped lining cavities are symmetrically disposed on two sides of the inside of the sliding channel, the first fire-proof expansion strip is disposed in the L-shaped lining cavities, the L-shaped lining cavities are communicated with the sliding opening of the sliding channel, and the first air bag strip is disposed on the outer wall of the L-shaped lining cavities.

4. The fire door for building according to claim 2 or 3, wherein a weight strip is arranged at the bottom of the curtain surface, a slot for inserting the strip is arranged at the bottom of the fire door body, a second air bag strip is horizontally and symmetrically arranged at two sides in the slot, and the second air bag strip is connected with the inflation tube through a connecting tube.

5. The fire door of claim 4, wherein said slot opening is bilaterally symmetrically configured with a second fire-resistant expansion strip.

6. The fire door of claim 5, wherein the connecting tube is disposed in a wall and the air pump is disposed in a cabinet.

7. The fire door for construction as recited in claim 6, wherein the first air bag strip and the second air bag strip are each provided with a fire barrier layer on an outer wall thereof.