CN211201624U

CN211201624U - Fire-proof rolling shutter door capable of escaping

Info

Publication number: CN211201624U
Application number: CN201921683255.7U
Authority: CN
Inventors: 巴钰瑶
Original assignee: Quanzhou Kaiji Color Steel Co ltd
Current assignee: Quanzhou Kaiji Color Steel Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-08-07
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a fire-proof rolling shutter door capable of escaping, which belongs to the technical field of fire-proof rolling shutter doors, and comprises an escape door fixedly connected with a rolling shutter door, wherein a rotating shaft is fixedly connected with a connecting piece, a reset mechanism is arranged in a fixed seat, the fixed seat is arranged on the rolling shutter door, and the connecting piece is arranged on the escape door, the fire-proof rolling shutter door capable of escaping is characterized in that the escape door is opened, the escape door rotates to drive the rotating shaft to rotate, the rotating shaft drives a meshing rack to move towards one end through a gear, a spring at one end of the rack is compressed under stress, after a person escapes from the escape door, the spring rebounds, the rack moves to drive the rotating shaft in the gear to rotate and reset, the rotating shaft simultaneously drives the escape door to rotate to a closed state through the connecting piece, the escape door automatically rotates to close, the flame and the dense smoke can be blown out and the indoor fire is easy to spread.

Description

Fire-proof rolling shutter door capable of escaping

Technical Field

The utility model discloses a fire prevention rolling slats door that can flee belongs to fire prevention rolling slats door technical field.

Background

At present, the fireproof rolling door is applied to each area separation type fireproof equipment used in industrial factory building warehouses, public buildings and civil buildings, generally, the fireproof rolling door is adopted, an emergency escape door is not arranged on the fireproof rolling door, and when a fire disaster happens, a chain needs to be manually pulled to open the rolling door after the rolling door is powered off.

The utility model discloses a utility model patent that bulletin number is CN201721602382.0 discloses a take fire prevention rolling slats door of fire door is prevented to flat-open, be equipped with more than two and weld respectively at the right-hand member of right branch post and the left end of left stand including the chucking piece, the lower support post welds the below at the roll screen door plant, the roll screen door plant is installed in the below of axis of rotation and is adopted the transmission to connect, the emergency exits inlays in the lower right corner on roll screen door plate surface, the axis of rotation level is fixed in the left side of small motor and is adopted the transmission to connect, it is equipped with two and encircle to connect both ends about the axis of rotation surface to connect the cover, the hinge is equipped with two and articulates the right side at fire.

Above-mentioned patent is through being connected door leaf and fire-retardant board alloy frame machinery, the conflagration in-process takes place, there is not the self-closing function after the emergency exits is opened to the emergency exits, and the emergency exits is not in time closed, and indoor a large amount of oxygen that will get into, flame and dense smoke can outwards flee simultaneously indoor intensity of a fire and easily spread, have reduced personnel's when the conflagration breaing out the rate of escaping to fire-retardant board alloy frame heat-proof quality is poor, and the conflagration of taking place easily receives high temperature deformation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire prevention rolling slats door that can flee is provided in order to solve the built-in emergency exits of current fire prevention rolling slats door and open not in time to close, and flame and dense cigarette can outwards scurry the diffusion, have reduced personnel's when taking place the conflagration rate of fleing to the rolling slats door takes place the conflagration and easily receives the problem of high temperature deformation.

The utility model realizes the above purpose by the following technical proposal, a fire-proof rolling shutter door capable of escaping comprises a box body, a scroll, a rolling shutter door and a guide rail, wherein a motor is arranged at one end of the box body, the output shaft of the motor is in transmission connection with the scroll through a chain transmission mechanism, the scroll is fixedly connected with the rolling shutter door, two ends of the rolling shutter door are in sliding connection with the guide rail, a control panel is arranged on the box body, the rolling shutter door is fixedly connected with an escape door, a door closer is fixedly arranged on the escape door, the rolling shutter door comprises a curtain sheet, rock wool and a clapboard, the interior of the curtain sheet is glued with the rock wool, the interior of the rock wool is fixedly connected with the clapboard, expanded perlite is arranged inside the rock wool, the motor is electrically connected with the control panel, the door closer comprises a fixed seat, a rotating shaft and a, the fixing seat is internally provided with a reset mechanism, the fixing seat is installed on the rolling door, and the connecting piece is installed on the escape door.

By adopting the technical scheme, when a fire disaster occurs, the surface button of the control panel is pressed down to enable the motor to be powered on and run, meanwhile, the output shaft of the motor drives the scroll to reversely rotate through the chain transmission mechanism, the roller shutter door at the outer side slides downwards to the ground through the guide rail, indoor personnel can escape through the escape door, because the fixed seat is arranged on the roller shutter door, the connecting piece is arranged on the escape door, the escape door is driven to rotate through the connecting piece under the action of the reset mechanism after the escape door is opened, the indoor fire disaster is blocked and isolated, the escape door blocks indoor dense smoke, the escape door is prevented from being closed in time, a large amount of oxygen enters indoors, the flame and the dense smoke can outwards flee out, and the problem that the indoor fire disaster is easy to spread is solved, the effect of the escape rate when the fire disaster occurs is improved, the curtain sheet in the roller shutter door is filled, the curtain sheet is heat-insulated by the aid of the characteristics of good fireproof performance and heat insulation performance, deformation of the curtain sheet due to high temperature can be prevented, and indoor smoke can be isolated by the rolling door and fire spreading can be inhibited.

Preferably, the reset mechanism comprises a rack and a gear, the gear is meshed with the rack, a spring is installed at one end of the rack, a knob is arranged at one end of the spring, the inner side of the gear is fixedly connected with the rotating shaft, the outer side of the knob is in threaded connection with the fixing seat, and the rack and the spring are installed inside the fixing seat.

By adopting the technical scheme, when the escape door is closed, one end of the spring applies force to the rack, because the gear is meshed with the rack, the gear is fixed on the outer side of the rotating shaft, the connecting piece fixes the escape door on the inner side of the rolling door in parallel, when a fire disaster happens, when the escape door is opened and leaves, the escape door is opened and rotates for a certain angle to drive the rotating shaft at one end of the connecting piece to rotate, the rotating shaft drives the outer gear to rotate, the gear rotates to drive the rack to move, the spring at one end of the rack is stressed and compressed, when people escape from the escape door, the spring rebounds to apply force to the rack, the rack moves to drive the gear to rotate, the gear rotates to drive the rotating shaft inside to rotate, the rotating shaft drives the escape door to rotate through the connecting piece, the escape door is closed in the roller shutter door, the structure occupies small space, is convenient to install, can drive the escape door to rotate and reset, and blocks and isolates indoor fire.

Preferably, a door edge reinforcing band is installed at the edge of the escape door.

Through adopting above-mentioned technical scheme, the door limit strengthening band is convenient for strengthen the curtain piece, and the strengthening band protects the curtain piece edge.

Preferably, the connecting piece is U-shaped or L-shaped, and one end of the connecting piece is provided with a rectangular groove.

By adopting the technical scheme, the U-shaped or L-shaped connecting piece can be used for connecting and fixing the rolling door, and the rotating shaft is embedded and fixed with the rectangular groove of the connecting piece.

Preferably, the reset mechanism comprises a torsion spring and a fixed block, one end of the torsion spring is connected with the fixed block in an inserting mode, one end of the torsion spring is fixedly connected with the rotating shaft, and the outer side of the fixed block is fixedly connected with the fixed seat.

Through adopting above-mentioned technical scheme, torsion spring one end is connected with the fixed block, its other end is connected with the pivot, when the conflagration breaks out, when personnel opened the emergency exits, the connecting piece was followed the emergency exits swing, the connecting piece drives the pivot rotation, the pivot drives torsion spring and takes place to twist reverse, after personnel left the emergency exits, the pivot will rotate under torsion spring's effect and reset, the pivot drives the connecting piece swing rotation, the connecting piece will drive the emergency exits and reset, can block indoor intensity of a fire, delay the conflagration and spread.

Preferably, the escape door is provided with a reflecting sign board.

By adopting the technical scheme, when a fire disaster occurs, the reflecting sign board on the escape door can prevent the serious obstruction of the sight line in indoor dense smoke, which leads to the danger of life caused by the fact that the exit cannot be found.

Preferably, a first magnetic block is installed at one end of the escape door, and a second magnetic block is installed on the surface of the rolling door.

By adopting the technical scheme, after the door closer closes the escape door, the first magnetic block at the edge of the escape door is fixedly adsorbed with the first magnetic block on the rolling door, so that gaps between the edge of the escape door and the rolling door can be reduced when a fire disaster occurs, dense smoke is reduced from emerging from the gaps, and the safety of the escape door is improved.

Preferably, the curtain sheets are c-shaped plates, and the adjacent curtain sheets are connected in an overlapping and interlocking mode.

Through adopting above-mentioned technical scheme, a plurality of curtain pieces of being convenient for link to each other, and this structural stability is high, has prevent wind impact force, advantage that derailment prevention performance is good.

Compared with the prior art, the beneficial effects of the utility model are that:

the escape door is opened, the escape door rotates to drive the rotating shaft to rotate, the rotating shaft drives the meshing rack to move towards one end through the gear, the spring at one end of the rack is stressed and compressed, after a person escapes from the escape door, the spring rebounds, the rack moves to drive the rotating shaft inside the gear to rotate and reset, meanwhile, the rotating shaft enables the escape door to rotate to a closed state through the connecting piece, the escape door automatically rotates and closes, indoor dense smoke is blocked, the problem that the escape door is not closed timely, a large amount of oxygen enters the indoor space, flame and dense smoke can escape outwards and easily spread indoor fire is solved; the rock wool and the expanded perlite filled in the curtain sheet have good fireproof and heat-insulating properties, and can prevent the curtain sheet from being heated and deformed in a fire disaster.

Drawings

FIG. 1 is a front view of the fire-proof rolling shutter door for escaping with fire;

FIG. 2 is a front view of the structure of an escape door of the fire-proof rolling shutter door for escape of the present invention;

FIG. 3 is a schematic view of a door closer of a fire-proof rolling shutter door for escaping according to the present invention;

FIG. 4 is a sectional view of a curtain sheet structure of a fire-proof rolling shutter door capable of escaping;

FIG. 5 is a partial front view of the second embodiment;

fig. 6 is a schematic view of the door closer of fig. 5.

Reference numerals: 1. a box body; 2. a motor; 3. a reel; 4. a roller shutter door; 5. a guide rail; 6. a control panel; 7. an escape door; 8. a door edge reinforcement band; 9. a first magnetic block; 10. a second magnetic block; 11. a door closer; 12. a fixed seat; 13. a rotating shaft; 14. a connecting member; 15. a reset mechanism; 16. a spring; 17. a knob; 18. a rack; 19. a gear; 20. a torsion spring; 21. a fixed block; 22. a reflective target; 41. a curtain sheet; 42. rock wool; 43. a partition plate; 44. expanded perlite.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

as shown in figures 1-4, the escape fire-proof rolling shutter door comprises a box body 1, a motor 2 is arranged at one end of the box body, an output shaft of the motor 2 is in transmission connection with a scroll 3 through a chain transmission mechanism, the chain transmission mechanism has the advantages of stable transmission, reliable work and high efficiency, the scroll 3 is fixedly connected with the rolling shutter door 4, two ends of the rolling shutter door 4 are in sliding connection with guide rails 5, the guide rails 5 guide the rolling shutter door 4 to move, the two ends of the rolling shutter door 4 are fixed when the rolling shutter door 4 is lowered so as to play a role in blocking the room, a control panel 6 is arranged on the box body 1, the motor 2 is electrically connected with the control panel 6, the control panel 6 controls the rotation direction and the working time of the motor 2 to drive the scroll 3 to rotate so as to retract and retract the rolling shutter door 4, an escape door 7 is fixedly connected with the escape, the escape door 7 is provided with the reflecting target 22, when a fire disaster occurs, the reflecting target 22 on the escape door 7 can prevent the view line in indoor dense smoke from being seriously blocked, so that an exit cannot be found and life is threatened, the rolling door 4 comprises curtain sheets 41, rock wool 42 and a partition plate 43, the curtain sheets 41 are c-shaped plates, the adjacent curtain sheets 41 are overlapped and interlocked to be connected conveniently, a plurality of curtain sheets 41 are connected, the structure has high stability, has the advantages of wind and impact resistance and good derailment prevention performance, the interior of the rock wool 42 is fixedly connected with the partition plate 43, the interior of the curtain sheet 41 is glued with the rock wool 42, the melting point of the rock wool 42 as a fireproof material is higher than 1200 ℃, the fire resistance exceeds 120 minutes, the interior of the rock wool 42 is provided with expanded perlite 44, the expanded perlite 44 also has high temperature resistance and heat insulation performance, when the fire disaster occurs, the curtain sheets 41 are insulated by the expanded perlite 42 and the expanded perlite 44 to prevent the, first magnetic path 9 is installed to emergency exit 7 one end, and rolling slats door 4 surface mounting has second magnetic path 10, and the first magnetic path 9 at emergency exit 7 edge adsorbs fixedly with the second magnetic path 10 on the rolling slats door 4 mutually, and when the conflagration breaks out, reducible emergency exit 7 edge and the gap of rolling slats door 4 reduce dense cigarette and emerge from the gap to promote emergency exit 7 steadiness.

The escape door 7 is provided with a door closer 11, the door closer 11 comprises a fixed seat 12, a rotating shaft 13 and a connecting piece 14, the fixed seat 12 is installed on a rolling door 4, the fixed seat 12 is movably connected with the rotating shaft 13, a protruding block of the rotating shaft 13 is embedded and fixed with a rectangular groove of the connecting piece 14, the connecting piece 14 is U-shaped or L-shaped, the U-shaped or L-shaped connecting piece 14 can be connected and fixed with the rolling door 4, one end of the connecting piece 14 is provided with the rectangular groove, the rectangular groove at one end of the connecting piece 14 is convenient to be embedded and fixed with the protruding block of the rotating shaft 13, a reset mechanism 15 is installed inside the fixed seat 12, the reset mechanism 15 comprises a rack 18 and a gear 19, the gear 19 is meshed with the rack 18, the rack 18 and the gear 19 are easy to manufacture, one end of the rack 18 is provided with a spring 16, the inner side of the gear 19 is fixedly connected with the rotating shaft 13, one end of the spring 16 is provided with a knob 17, the outer side of the knob 17 is in threaded connection with the fixed seat 12, the spring 16, the spring 18 and the rack 18 are coaxially arranged, the rotating gear 19, the rotating shaft 13.

When a fire disaster happens, a button on the control panel 6 is operated, the motor 2 is powered on, an output shaft of the motor drives the scroll 3 to rotate through the chain transmission mechanism, the scroll 3 rotates to drive the outer roller shutter 4 to be lowered, the roller shutter 4 moves downwards to the ground through the guide rail 5, a person can directly escape through the escape door 7, when the escape door 7 is opened, the escape door 7 drives the rotating shaft 13 to rotate through the connecting piece 14, the rotating shaft 13 drives the meshing rack 18 to move, the meshing rack 18 compresses the spring 16, after the person is separated from the escape door 7, the spring 16 rebounds to apply force to the rack 18, the rack 18 moves to one end of the knob 17, meanwhile, the rack 18 drives the meshing gear 19 to rotate, the rotating shaft 13 inside rotates, the rotating shaft 13 drives the roller shutter 4 to rotate and close through the connecting piece 14, the escape door 7 is closed in the roller shutter 4, the flame and the dense smoke can outwards flee out and the indoor fire is easy to spread, so that the escape rate is improved when a fire disaster happens.

Example two:

as shown in fig. 5-6, the difference between the first embodiment and the second embodiment lies in that the restoring mechanism 15 is different, and specifically includes a torsion spring 20 and a fixed block 21, the connecting member 14 is in the shape of a rod or a square tube, the rod or the square tube can achieve the same effect, the structure is simple, the procurement cost is low, the outer side of the fixed block 21 is fixedly connected with the fixed base 12, one end of the torsion spring 20 is inserted into the fixed block 21, one end of the torsion spring 20 is fixedly connected with the rotating shaft 13, the torsion spring 20 has a large torsion force, which is convenient for driving the rotating shaft 13 to rotate, when a fire occurs, the connecting member 14 swings along with the escape door 7, the connecting member 14 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the torsion spring 20 to rotate, when a person escapes through the escape door 7, the torsion spring 20 twists to drive the rotating shaft 13 to restore, the, can block the fire prevention to indoor, this structural part constitutes simply, and easy dismouting delays the intensity of a fire when the conflagration breaing out and spreads.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A fire-proof rolling shutter door capable of escaping comprises a box body (1), a scroll (3), a rolling shutter door (4) and a guide rail (5), wherein a motor (2) is installed at one end of the box body (1), an output shaft of the motor (2) is in transmission connection with the scroll (3) through a chain transmission mechanism, the scroll (3) is fixedly connected with the rolling shutter door (4), two ends of the rolling shutter door (4) are in sliding connection with the guide rail (5), a control panel (6) is installed on the box body (1), and the fire-proof rolling shutter door is characterized in that the rolling shutter door (4) is fixedly connected with an escape door (7), a door closer (11) is fixedly installed on the escape door (7), the rolling shutter door (4) comprises a curtain sheet (41), rock wool (42) and a partition plate (43), the interior of the curtain sheet (41) is spliced with the rock wool (42), and the interior of the rock, rock wool (42) inside expanded perlite (44) that is equipped with, motor (2) and control panel (6) electric connection, door closer (11) are including fixing base (12), pivot (13) and connecting piece (14), fixing base (12) and pivot (13) swing joint, pivot (13) and connecting piece (14) fixed connection, fixing base (12) internally mounted has canceling release mechanical system (15), install on rolling slats door (4) fixing base (12), install on emergency exits (7) connecting piece (14).

2. An escape fire resistant roller shutter door as claimed in claim 1, wherein the reset mechanism (15) comprises a rack (18) and a gear (19), the gear (19) is engaged with the rack (18), a spring (16) is installed at one end of the rack (18), a knob (17) is installed at one end of the spring (16), the inner side of the gear (19) is fixedly connected with the rotating shaft (13), the outer side of the knob (17) is in threaded connection with the fixed seat (12), and the rack (18) and the spring (16) are installed inside the fixed seat (12).

3. Fire rolling shutter door allowing escape according to claim 2, characterised in that the edge of the escape door (7) is fitted with a door edge reinforcement strip (8).

4. A fire resistant roller shutter door as claimed in claim 2, wherein the connecting member (14) is U-shaped or L-shaped, and one end of the connecting member (14) is provided with a rectangular groove.

5. A fire-resistant rolling shutter door as claimed in claim 1, wherein the return mechanism (15) comprises a torsion spring (20) and a fixing block (21), one end of the torsion spring (20) is inserted into the fixing block (21), one end of the torsion spring (20) is fixedly connected with the rotating shaft (13), and the outer side of the fixing block (21) is fixedly connected with the fixing seat (12).

6. Fire rolling shutter door allowing escape according to claim 1, characterised in that a reflective sign (22) is mounted on the escape door (7).

7. The escape fire-proof rolling shutter door as claimed in claim 1, wherein one end of the escape door (7) is provided with a first magnetic block (9), and the surface of the rolling shutter door (4) is provided with a second magnetic block (10).

8. A fire resistant roller shutter door as claimed in claim 1, wherein the shutter pieces (41) are c-shaped plates, and adjacent shutter pieces (41) are overlapped and interlocked.