CN215408307U - Composite fireproof rolling shutter door - Google Patents
Composite fireproof rolling shutter door Download PDFInfo
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- CN215408307U CN215408307U CN202121614759.0U CN202121614759U CN215408307U CN 215408307 U CN215408307 U CN 215408307U CN 202121614759 U CN202121614759 U CN 202121614759U CN 215408307 U CN215408307 U CN 215408307U
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- retardant rubber
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Abstract
The utility model discloses a composite fireproof rolling door which comprises a door frame, wherein curtain plates are connected to two sides of the door frame in a sliding mode, a main rotating shaft is connected to the upper end of the door frame, the upper end of each curtain plate is wound on the main rotating shaft, a driving mechanism enabling the curtain plates to be folded or unfolded is further connected to the door frame, each curtain plate comprises a metal plate and a flame-retardant rubber sleeve wrapping the periphery of the metal plate, a plurality of grooves which are arranged in order are formed in the inner walls of the front face and the rear face of each flame-retardant rubber sleeve, the length of each groove is the same as the width of the metal plate, each groove is formed into a closed independent cavity through the connection of the metal plate and the flame-retardant rubber sleeve, sodium bicarbonate particles are embedded in the cavities in advance, holes communicated with the grooves are formed in the left side and the right side of each flame-retardant rubber sleeve, and the curtain plates are connected to two sides of the door frame in a sliding mode through the flame-retardant rubber sleeves. When a fire occurs, the curtain plate can be opened or closed at the first time, and the high temperature enables the sodium bicarbonate to be decomposed into water and carbon dioxide to humidify the curtain plate, so that the effect of preventing the fire from spreading is achieved.
Description
Technical Field
The utility model relates to the technical field of fireproof rolling doors, in particular to a composite fireproof rolling door.
Background
The fire-proof rolling door is a fire-proof and heat-proof equipment suitable for large opening of building, and has the functions of fire-proof, smoke-isolating and fire-resisting, etc..
The existing fireproof rolling door has the following defects: (1) the curtain plate is manually opened by a person, so that when a fire occurs, the curtain plate cannot be opened in time to influence escape; (2) the fire-retardant fire behavior of rolling up the curtain door plant is poor, when taking place the condition of a fire, can not fine play the effect that prevents the heat of a fire to spread.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a composite type fireproof rolling door aiming at the defects in the prior art, and aims to solve the problems that the existing fireproof rolling door is inconvenient to open and poor in flame-retardant and fireproof performance.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a compound fire prevention rolling slats door, includes the portal, and the both sides sliding connection of portal has the curtain board, and the upper end of portal is connected and is equipped with main pivot, and the upper end of curtain board is rolled up in main pivot, still is connected with the actuating mechanism who makes the curtain board draw in or expand on the portal, the curtain board includes the metal sheet, wraps up in the peripheral fire-retardant rubber cover of metal sheet, the inner wall of the front and back of fire-retardant rubber cover is equipped with a plurality of neatly arranged's recess, and the length of recess is the same with the width of metal sheet, through being connected of metal sheet and fire-retardant rubber cover, makes each recess become an airtight independent cavity, has buried sodium bicarbonate granule in advance in the cavity, and the hole with the recess intercommunication is seted up to the left and right sides of fire-retardant rubber cover, and the curtain board passes through fire-retardant rubber cover sliding connection in the both sides of portal, has reduced the friction between curtain board and the portal, has reduced wearing and tearing.
Preferably, the door frame is concave, sliding grooves are formed in two sides of the door frame, two sides of the curtain plate are connected in the sliding grooves in a sliding mode, the upper end of the door frame is connected with the protective cover, two ends of the main rotating shaft are rotatably connected to the upper side of the protective cover, and the lower side of the protective cover is rotatably connected with the auxiliary rotating shaft; the lower end of the curtain plate is connected with an L-shaped supporting plate, and when the curtain plate rises to the highest position, the supporting plate can be just clamped on the lower surface of the auxiliary rotating shaft to prevent the curtain plate from continuing to rise, so that the protective effect is achieved.
Preferably, the driving mechanism comprises a motor connected to the door frame, a main gear connected to the main rotating shaft, and a pinion connected to the pinion, wherein the main gear is meshed with the pinion, and the curtain plate is attached to and wound around the pinion. The motor works to drive the auxiliary rotating shaft to rotate, the auxiliary rotating shaft drives the main gear to rotate through the auxiliary gear on the auxiliary rotating shaft, and therefore the main rotating shaft is driven to rotate, and the curtain plates are folded or unfolded.
Preferably, one side of the portal is provided with a control box, and the outer side of the control box is provided with a smoke sensor. When a fire occurs, the smoke sensor can transmit a signal to the control box and control the motor to open the curtain board for the first time, so that people can escape in time; or the curtain board is closed at the first time to prevent the spread of fire.
The utility model has the beneficial effects that:
when a fire occurs, the motor works to open the curtain plates for people to escape at the first time; or shut down for the first time and prevent the spread of the fire. When the curtain board is closed, the sodium bicarbonate in the cavity is decomposed into water and carbon dioxide when meeting high temperature, and the water and the carbon dioxide can overflow out of the holes to humidify the curtain board and prevent the fire from spreading.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of a shutter slat;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a front cross-sectional view of a shutter slat;
FIG. 5 is a schematic view of the connection between the motor, the main shaft and the auxiliary shaft;
in the figure, 1-door frame, 11-chute, 12-protective cover, 2-curtain plate, 21-metal plate, 22-flame-retardant rubber sleeve, 23-groove, 24-sodium bicarbonate particle, 25-hole, 3-main rotating shaft, 4-auxiliary rotating shaft, 5-motor, 6-main gear, 7-auxiliary gear, 8-supporting plate and 9-control box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a composite fire-proof rolling door comprises a door frame 1, two sides of the door frame 1 are slidably connected with curtain plates 2, the upper end of the door frame 1 is connected with a main rotating shaft 3, the upper end of the curtain plates 2 is rolled on the main rotating shaft 3, the door frame 1 is also connected with a driving mechanism for folding or unfolding the curtain plates 2, the curtain plates 2 comprise metal plates 21 and fire-proof rubber sleeves 22 wrapped on the peripheries of the metal plates 21, the inner walls of the front and back surfaces of the fire-proof rubber sleeves 22 are provided with a plurality of regularly arranged grooves 23, the length of the grooves 23 is the same as the width of the metal plates 21, the grooves 23 are formed into a closed independent cavity by the connection of the metal plates 21 and the fire-proof rubber sleeves 23, sodium bicarbonate particles 24 are embedded in the cavity in advance, the left and right sides of the fire-proof rubber sleeves 22 are provided with holes 25 communicated with the grooves 23, the curtain plates 2 are slidably connected with the two sides of the door frame 1 through the fire-proof rubber sleeves 22, the friction between the curtain board 2 and the door frame 1 is reduced, and the abrasion is reduced.
The both sides of portal 1 are equipped with spout 11, and the both sides sliding connection of curtain board 2 is in spout 11, and the upper end of portal 1 is connected with protection cover 12, and the both ends rotatable coupling of main pivot 3 is at the upside of protection cover 12, and the downside rotatable coupling of protection cover 12 has auxiliary rotating shaft 4, the lower extreme of curtain board 2 is connected with the layer board 8 that is the L type, and after curtain board 2 rose to the highest point, layer board 8 can block the lower surface at auxiliary rotating shaft 4 just to it continues to rise to block curtain board 2, plays the effect of protection.
The driving mechanism comprises a motor 5 connected to the door frame 1, a main gear 6 connected to the main rotating shaft 3 and a pinion 7 connected to the pinion 4, the main gear 6 is meshed with the pinion 7, and the curtain plate 2 is attached to and wound around the pinion 4; a control box 9 is arranged on one side of the portal frame 1, and a smoke sensor (not shown in the attached drawing) is arranged on the outer side of the control box 9 and used for sensing smoke generated in the fire.
The working principle of the utility model is as follows: the motor 5 works to drive the auxiliary rotating shaft 4 to rotate, the auxiliary rotating shaft 4 drives the main gear 6 to rotate through the auxiliary gear 7 on the auxiliary rotating shaft, and therefore the main rotating shaft 3 is driven to rotate, and the curtain plate 2 is folded or unfolded. When a fire occurs, the motor 5 works to open the curtain plates 2 for people to escape at the first time; or shut down for the first time and prevent the spread of the fire. When the curtain board 2 is closed, the sodium bicarbonate particles 24 in the cavity are decomposed into water and carbon dioxide when meeting high temperature, and the water and the carbon dioxide can overflow out of the holes to humidify the curtain board 2, thereby playing the effect of preventing the fire from spreading.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A composite fireproof rolling shutter door comprises a door frame (1), wherein curtain plates (2) are connected to two sides of the door frame (1) in a sliding mode, a main rotating shaft (3) is connected to the upper end of the door frame (1), the upper end of each curtain plate (2) is wound on the main rotating shaft (3), a driving mechanism enabling the curtain plates (2) to be folded or unfolded is further connected to the door frame (1), the composite fireproof rolling shutter door is characterized in that each curtain plate (2) comprises a metal plate (21) and a flame-retardant rubber sleeve (22) wrapping the periphery of the metal plate (21), a plurality of grooves (23) which are arranged in order are formed in the inner walls of the front surface and the rear surface of each flame-retardant rubber sleeve (22), the length of each groove (23) is equal to the width of the metal plate (21), each groove (23) is embedded into a closed independent cavity through the connection of the metal plate (21) and the flame-retardant rubber sleeves (22), and sodium bicarbonate particles (24) are pre-embedded into the cavities, holes (25) communicated with the grooves (23) are formed in the left side and the right side of the flame-retardant rubber sleeve (22), and the curtain plates (2) are connected to the two sides of the door frame (1) in a sliding mode through the flame-retardant rubber sleeve (22).
2. A composite fire rolling shutter door according to claim 1, characterised in that the door frame (1) is provided with sliding grooves (11) at both sides thereof, the shutter plate (2) is slidably connected in the sliding grooves (11) at both sides thereof, the door frame (1) is connected at the upper end thereof with a protective cover (12), the main shaft (3) is rotatably connected at both ends thereof to the upper side of the protective cover (12), and the protective cover (12) is rotatably connected at the lower side thereof with a sub shaft (4).
3. A composite fire resistant roller shutter door according to claim 2, characterised in that the drive mechanism comprises a motor (5) connected to the door frame (1), a main gear (6) connected to the main shaft (3), and a secondary gear (7) connected to the secondary shaft (4), the main gear (6) being in meshing engagement with the secondary gear (7), the shutter slats (2) being attached to and bypassed by the secondary shaft (4).
4. A composite fire rolling shutter door according to claim 2 or 3, characterised in that the lower end of the shutter plate (2) is connected with an L-shaped supporting plate (8), and when the shutter plate (2) rises to the highest position, the supporting plate (8) can be just clamped on the lower surface of the secondary rotating shaft (4).
5. A composite fire rolling shutter door according to claim 4, characterised in that a control box (9) is provided on one side of the door frame (1), and a smoke sensor is provided on the outside of the control box (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121614759.0U CN215408307U (en) | 2021-07-15 | 2021-07-15 | Composite fireproof rolling shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121614759.0U CN215408307U (en) | 2021-07-15 | 2021-07-15 | Composite fireproof rolling shutter door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215408307U true CN215408307U (en) | 2022-01-04 |
Family
ID=79649986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121614759.0U Active CN215408307U (en) | 2021-07-15 | 2021-07-15 | Composite fireproof rolling shutter door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215408307U (en) |
-
2021
- 2021-07-15 CN CN202121614759.0U patent/CN215408307U/en active Active
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