A movable smoke dam structure for a sloping roof

By designing a movable smoke barrier wall structure for sloping roofs, using a motor to drive the unfolding and reeling of the inorganic fiber fireproof cloth, and combining it with a smoke sensor and a backup power supply, the problem that fixed smoke barriers cannot meet the requirements of sloping roofs is solved. Flexible installation, low cost, and beautiful smoke barrier effects are achieved to adapt to building changes.

CN119607457BActive Publication Date: 2025-10-10THE FOURTH OF CHINA EIGHTH ENG BUREAU
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Patent Information

Application Number
CN202411835061.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-10-10
Estimated Expiration
2044-12-13

AI Technical Summary

Technical Problem

In the existing technology, fixed smoke barriers cannot meet the use requirements of sloping roofs, affect the use height of the space, are heavy, complex to install, have limited installation locations, are difficult to adapt to changes in the internal layout of the building, have a simple appearance, and cannot be coordinated with the architectural decoration style.

Method used

A movable smoke barrier vertical wall structure for sloping roofs is designed. It adopts components such as a box, end covers, gravity base, motor, and inorganic fiber fireproof cloth. The fireproof cloth is driven by a motor to unfold and reel. Combined with smoke sensors and backup power supply, it realizes automatic smoke barrier function. The limit plates and connection mechanisms ensure flexible installation and maintenance of the equipment.

Benefits of technology

The equipment takes up little space in normal times, is easy to install and maintain, has low cost, flexible installation location, high aesthetics, can quickly respond to fires, reduce the spread of smoke, adapt to changes in building layout, and avoid the impact of power outages.

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Abstract

The application discloses a movable smoke blocking vertical wall structure for a slope roof, which comprises a box body, an opening is arranged at one end of the box body, an end cover is arranged at the opening, the end cover is connected with the opening of the box body through a connecting mechanism, a limiting plate corresponding to a gravity base is fixedly arranged on the side wall of the box body, and a connecting hole corresponding to a connecting block is formed in the side wall of the box body. The movable smoke blocking vertical wall is adopted to solve the problems of the fixed smoke blocking vertical wall of the slope roof, such as affecting the net height and the aesthetic appearance of a room, the movable smoke blocking vertical wall is installed on a slope roof structure beam or a roof panel, and is in a storage state normally, so that the use height of the room is effectively improved, and the movable smoke blocking vertical wall is beautiful and harmonious. When a fire occurs, a smoke sensor controller controls a control switch in the box body to be opened, a first spring is electrified and contracted, a limiting block is stored, the limitation of the gravity base is released, the gravity base is pulled out to use inorganic fiber fireproof cloth for smoke blocking and separating operation, and the spreading speed of the smoke is reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of roof smoke screen, in particular to a movable smoke screen structure for slope roof. BACKGROUND

[0002] A fixed or movable smoke screen device made of non-combustible material, which is hung from the ceiling with a length of not less than 500 mm. The movable smoke screen refers to the smoke screen that automatically falls due to the action of temperature sensing, smoke sensing or other control devices during a fire. It is mainly used in high-rise or super high-rise large shopping malls, office buildings and warehouses, etc. It can effectively block the horizontal flow of smoke under the roof of the building, improve the smoke exhaust effect in the smoke control zone, and play a certain role in protecting people's life and property safety.

[0003] At present, fixed smoke screen is usually used for setting smoke screen on slope roof, and conventional movable smoke screen cannot meet the setting requirements of slope roof. The fixed smoke screen, especially the fixed smoke screen made of steel plate, gypsum board and fireproof glass, is usually thick and heavy. When installing, the load-bearing capacity of the building needs to be considered, and sometimes additional support structure needs to be added, which increases the installation cost and complexity. At the same time, in order to ensure the fireproof effect, the design of the fixed smoke screen is usually single, which affects the space use height and may affect the indoor decoration style, especially in places that pay attention to aesthetics. Therefore, we propose a movable smoke screen structure for slope roof to solve the above problems. SUMMARY

[0004] The purpose of the present application is to solve the problems existing in the prior art, such as the use of fixed smoke screen, the inability of conventional movable smoke screen to meet the use of slope roof, the influence on space use height, the heavy quality, the need to add additional support sometimes, the complexity of installation, the limitation of installation position, the inability to adjust at will, the difficulty to adapt to the change of building internal layout, the single form, the relative limitation of appearance diversity and flexibility, the difficulty to coordinate with the overall decoration style of the building in places that pay attention to aesthetics, and the movable smoke screen structure for slope roof.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0006] A movable smoke barrier vertical wall structure for a sloping roof comprises a box body, one end of the box body is provided with an opening, and the opening is covered with an end cover, the end cover is connected to the opening of the box body through a connecting mechanism, a pull handle is fixedly provided on the side wall of the end cover, a gravity base is rotatably provided on one side of the box body, the gravity base is rotatably provided on the side wall of the box body through a rotating shaft, and a limiting plate corresponding to the gravity base is fixedly provided on the side wall of the box body, a connecting block is fixedly provided on the side wall of the gravity base, and a plate corresponding to the connecting block is opened on the side wall of the box body A corresponding connection port is provided in the connection port, and a limiting mechanism corresponding to the connection block is provided in the connection port. A motor is also fixedly provided in the box body, and a winding roller is fixedly provided at the output end of the motor. An inorganic fiber fireproof cloth is wound on the winding roller, and the end of the inorganic fiber fireproof cloth away from the winding roller slides through the side wall of the box body and is fixedly connected to the gravity base. A backup power supply is fixedly provided in the box body, and the motor is connected to the backup power supply through a wire. One end of the backup power supply is connected to an external wire, and the external wire slides through the side wall of the box body.

[0007] Preferably, the connecting mechanism includes two plug-ins, which are symmetrically fixed on the side wall of one end of the box opening, and two slots corresponding to the plug-ins are provided on the side wall of the end cover, and the two plug-ins are provided with fixing mechanisms corresponding to the end cover.

[0008] Preferably, the fixing mechanism includes two card blocks, and the side walls of the two plug-in plates are provided with storage grooves corresponding to the card blocks. The two card blocks are slidably arranged in the two storage grooves respectively, and the two card blocks are connected to the inner walls of the storage grooves through a second spring. The side walls of the two slots are provided with card slots corresponding to the card blocks, and the side walls of the two card blocks away from the slot openings are inclined, and the two card slots are provided with ejection mechanisms corresponding to the card blocks.

[0009] Preferably, the ejection mechanism includes two push plates, which are respectively slidably arranged in two card slots, and a shift rod is fixedly arranged on the side walls of the two push plates, and the two shift rods slide through the side walls of the end cover, and two strip-shaped sliding openings corresponding to the shift rods are symmetrically opened on the end cover.

[0010] Preferably, the limiting mechanism includes a limiting block, a telescopic groove corresponding to the limiting block is opened on the side wall of the connecting port, the limiting block is slidably set in the telescopic groove, and the limiting block is connected to the inner wall of the telescopic groove through a first spring, a limiting groove corresponding to the limiting block is opened on the side wall of the connecting block, one side wall of the limiting block is inclined, and an automatic retracting mechanism corresponding to the limiting block is provided in the box body.

[0011] Preferably, the automatic retraction mechanism includes a control switch, the two ends of the first spring are connected to the control switch through two wires, the control switch is connected to the backup power supply, and a smoke sensor controller is also fixed on the side wall of the box, and the smoke sensor controller is connected to the control switch and the backup power supply through wires.

[0012] Compared with the prior art, the beneficial effects of the present invention are: the equipment is usually in a retracted state, takes up less space, does not affect the height of space use, is light in weight, is easy to install and maintain, has low cost, and the equipment installation position is flexible and detachable, which can adapt to changes in room layout. The equipment is installed on the side of the structural beam or the roof panel, which has little impact on the decorative effect and is beautiful overall. The smoke sensor receives smoke and automatically opens the gravity base to pull out the inorganic fiber fireproof cloth to block smoke and prevent fire, thereby improving the efficiency of opening the smoke barrier cloth. Through the cooperation of the motor and the winding roller, it is achieved that after the inorganic fiber fireproof cloth is opened, the fireproof cloth can be retracted by turning on the motor, which does not take up space. By setting a backup power supply, the problem of the device being unable to be opened due to power outages in case of fire is avoided, and the lever is set to realize The control of the push plate is realized. By toggling the toggle lever, the push plate block can be driven out of the slot, so that the end cover can be quickly opened, which is convenient for inspection, maintenance and replacement of the equipment inside the box. By connecting the wire to the first spring, the smoke sensor controller can be used to control the opening of the control switch to energize the first spring in the event of a fire, so that the first spring is energized and contracts, thereby retracting the limit block to release the restriction on the connecting block. The gravity base descends under the action of gravity, and the inorganic fiber fireproof cloth is pulled out to complete the smoke barrier operation, reducing the spread rate of smoke. The limit plate is used to realize the weighing fiber of the gravity base, so as to avoid the gravity base opening angle being too large to affect the smoke barrier effect. By setting an external wire, the backup power supply can be kept fully charged at all times, so that there is sufficient power in the event of a fire power outage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of a movable smoke barrier wall structure for a sloped roof proposed by the present invention when it is installed and opened;

[0014] Figure 2 This is a schematic side view of the movable smoke barrier wall structure for a sloped roof proposed by the present invention when it is installed and opened;

[0015] Figure 3 This is a structural schematic diagram of a movable smoke barrier vertical wall structure for a sloped roof proposed by the present invention when it is not installed and opened;

[0016] Figure 4 for Figure 3 Schematic diagram of the structure at A in the middle;

[0017] Figure 5 for Figure 3 Schematic diagram of the structure at point B.

[0018] In the figure: 1 box body, 2 end cover, 3 lever, 4 handle, 5 smoke sensor controller, 6 inorganic fiber fireproof cloth, 7 gravity base, 8 connecting block, 9 connecting port, 10 rotating shaft, 11 limit plate, 12 external wires, 13 backup power supply, 14 motor, 15 winding roller, 16 control switch, 17 limit block, 18 first spring, 19 telescopic slot, 20 slot, 21 plug-in board, 22 storage slot, 23 card block, 24 second spring, 25 card slot, 26 push plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Reference Figure 1-Figure 5The utility model provides a movable smoke baffle vertical wall structure for slope roof, including box 1, one end of box 1 is equipped with opening, and the opening is equipped with end cover 2, and end cover 2 is connected with the opening of box 1 through connecting mechanism, and connecting mechanism includes two inserts 21, and two inserts 21 are fixedly arranged on the side wall of the opening of box 1 symmetrically, and two corresponding slot 20 of insert 21 are formed on the side wall of end cover 2, and two inserts 21 are all equipped with corresponding fixed mechanism with end cover 2, and fixed mechanism includes two clamping blocks 23, and the side wall of two inserts 21 is all equipped with corresponding storage groove 22 with clamping block 23, and two clamping blocks 23 are slidably arranged in two storage grooves 22 respectively, and two clamping blocks 23 are all connected with the inner wall of storage groove 22 through second spring 24, and the side wall of two slot 20 is all equipped with corresponding clamping groove 25 with clamping block 23, and the side wall of two clamping blocks 23 away from the opening of slot 20 is all arranged in an inclined manner, and two clamping grooves 25 are all equipped with corresponding push mechanism with clamping block 23, and the push mechanism includes two push plates 26, and two push plates 26 are slidably arranged in two clamping grooves 25 respectively, and the side wall of two push plates 26 is all fixedly provided with the lever 3, and two lever 3 are slidably penetrated through the side wall of end cover 2 and are arranged, and two corresponding strip-shaped sliding openings of lever 3 are formed on the side wall of end cover 2 symmetrically, and the side wall of end cover 2 is fixedly provided with the pull handle 4, and the side of box 1 is rotatably provided with gravity base 7, and gravity base 7 is rotatably arranged on the side wall of box 1 through pivot 10, and the side wall of box 1 is fixedly provided with corresponding limit plate 11 with gravity base 7, and the side wall of gravity base 7 is fixedly provided with connecting block 8, and the side wall of box 1 is equipped with corresponding connecting mouth 9 with connecting block 8, and the connecting mouth 9 is equipped with corresponding limiting mechanism with connecting block 8, and the limiting mechanism includes limiting block 17, and the side wall of connecting mouth 9 is equipped with corresponding telescopic slot 19 with limiting block 17, and limiting block 17 is slidably arranged in telescopic slot 19, and limiting block 17 is connected with the inner wall of telescopic slot 19 through first spring 18, and the side wall of connecting block 8 is equipped with corresponding limiting slot with limiting block 17, and the side wall of limiting block 17 is arranged in an inclined manner, and the box 1 is equipped with corresponding automatic folding mechanism with limiting block 17, and the automatic folding mechanism includes control switch 16, and the both ends of first spring 18 are communicated with control switch 16 through two wires, and control switch 16 is communicated with standby power supply 13, and the side wall of box 1 is further fixedly provided with smoke sensor controller 5, and smoke sensor controller 5 is communicated with control switch 16 and standby power supply 13 through wires, and the box 1 is further fixedly provided with motor 14, and the output end of motor 14 is fixedly provided with coiling roller 15, and inorganic fiber fireproof cloth 6 is coiled on coiling roller 15, and the end of inorganic fiber fireproof cloth 6 away from coiling roller 15 is slidably penetrated through the side wall of box 1 and is fixedly connected with gravity base 7, and the box 1 is further fixedly provided with standby power supply 13, and motor 14 is communicated with standby power supply 13 through wires, and one end of standby power supply 13 is connected with external wire 12, and external wire 12 is slidably penetrated through the side wall of box 1 and is arranged,Through the cooperation of the motor 14 and the winding roller 15, it is achieved that after the inorganic fiber fireproof cloth 6 is opened, the fireproof cloth can be rolled up by turning on the motor 14, and the device is folded up without taking up space. By setting a backup power supply 13, the problem that the device cannot be opened due to power outages in the event of a fire is avoided. The push plate 26 is controlled by setting a dial rod 3. By toggling the dial rod 3, the push plate 26 and the card block 23 can be driven out of the card slot 25, so that the end cover 2 can be quickly opened, which is convenient for the inspection, maintenance and replacement of the internal equipment of the box body 1. By connecting the first spring 18 to the wire, the smoke can be released in the event of a fire. The sensor controller 5 controls the opening of the control switch 16 to energize the first spring 18, causing it to contract and retract, thereby retracting the limiting block 17 and releasing the restrictive fixation on the connecting block 8. The gravity base 7 descends under the action of gravity, and the inorganic fiber fireproof cloth 6 is pulled out to complete the smoke barrier operation, reducing the spread of smoke. The setting of the limit plate 11 realizes the weighing fiber of the gravity base 7, preventing the gravity base 7 from opening too large an angle and affecting the smoke barrier effect. The setting of the external wire 12 allows the backup power supply 13 to be kept fully charged at all times, so that there is sufficient power in the event of a fire power outage.

[0021] In the present invention, through the cooperation of the motor 14 and the winding roller 15, it is achieved that after the inorganic fiber fireproof cloth 6 is opened, the fireproof cloth can be rolled up by turning on the motor 14, and no space is taken up. The limiting plate 11 is provided to achieve the weighing fiber of the gravity base 7, so as to avoid the gravity base 7 from opening at too large an angle and affecting the smoke barrier effect. By providing an external wire 12, the backup power supply 13 can be kept in a fully charged state, so that there can be sufficient electricity in the event of a power outage due to a fire. By providing a backup power supply 13, the problem of the device being unable to be opened due to a power outage during a fire is avoided. The push plate 26 is controlled by providing the dial lever 3. By toggling the dial lever 3, the push plate 26 and the card block 23 can be driven out of the card slot. 25, so that the end cover 2 can be quickly opened, which is convenient for the inspection, maintenance and replacement of the internal equipment of the box body 1. By connecting the first spring 18 with a wire, when a fire occurs, the smoke sensor controller 5 can be used to control the opening of the control switch 16 to energize the first spring 18, so that the first spring 18 is energized and contracts, thereby retracting the limiting block 17 to release the restriction on the connecting block 8. The gravity base 7 descends under the action of gravity, and the inorganic fiber fireproof cloth 6 is pulled out to complete the smoke blocking operation. The gravity base 7 of the smoke blocking vertical wall is driven by gravity and rotates around the rotating shaft 10, while driving the inorganic fiber fireproof cloth 6 to expand in a fan shape and quickly fall to the set position to form a smoke-proof partition, thereby reducing the spread speed of smoke.

[0022] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A movable smoke barrier vertical wall structure for a sloping roof, comprising a box body (1), characterized in that: One end of the box body (1) is provided with an opening, and the opening is covered with an end cover (2), the end cover (2) is connected to the opening of the box body (1) through a connecting mechanism, a pull handle (4) is fixedly provided on the side wall of the end cover (2), a gravity base (7) is rotatably provided on one side of the box body (1), the gravity base (7) is rotatably provided on the side wall of the box body (1) through a rotating shaft (10), and a limiting plate (11) corresponding to the gravity base (7) is fixedly provided on the side wall of the box body (1), a connecting block (8) is fixedly provided on the side wall of the gravity base (7), a connecting port (9) corresponding to the connecting block (8) is opened on the side wall of the box body (1), and a connecting port (9) is provided in the connecting port (9) A limiting mechanism corresponding to the connecting block (8) is provided, and a motor (14) is fixedly provided in the box (1), and a winding roller (15) is fixedly provided at the output end of the motor (14), and an inorganic fiber fireproof cloth (6) is wound on the winding roller (15), and one end of the inorganic fiber fireproof cloth (6) away from the winding roller (15) slides through the side wall of the box (1) and is fixedly connected to the gravity base (7), and a backup power supply (13) is fixedly provided in the box (1), and the motor (14) is connected to the backup power supply (13) through a wire, and one end of the backup power supply (13) is connected to an external wire (12), and the external wire (12) slides through the side wall of the box (1).

2. The movable smoke barrier vertical wall structure for a sloped roof according to claim 1, characterized in that: The connecting mechanism comprises two plug-ins (21), the two plug-ins (21) being symmetrically fixedly arranged on the side wall of one end of the opening of the box body (1), the side wall of the end cover (2) being provided with two slots (20) corresponding to the plug-ins (21), and the two plug-ins (21) being provided with a fixing mechanism corresponding to the end cover (2).

3. The movable smoke barrier vertical wall structure for a sloped roof according to claim 2, characterized in that: The fixing mechanism comprises two card blocks (23), and the side walls of the two plug boards (21) are provided with receiving grooves (22) corresponding to the card blocks (23). The two card blocks (23) are respectively slidably arranged in the two receiving grooves (22), and the two card blocks (23) are connected to the inner walls of the receiving grooves (22) through second springs (24). The side walls of the two slots (20) are provided with card slots (25) corresponding to the card blocks (23). The side walls of the two card blocks (23) away from the slot (20) opening are both inclined, and the two card slots (25) are provided with ejection mechanisms corresponding to the card blocks (23).

4. The movable smoke barrier vertical wall structure for a sloped roof according to claim 3, characterized in that: The ejection mechanism comprises two push plates (26), the two push plates (26) are respectively slidably arranged in the two card slots (25), and a shift rod (3) is fixedly arranged on the side walls of the two push plates (26), and the two shift rods (3) are slidably arranged through the side walls of the end cover (2), and the end cover (2) is symmetrically provided with two strip-shaped sliding openings corresponding to the shift rods (3).

5. The movable smoke barrier vertical wall structure for a sloped roof according to claim 1, characterized in that: The limiting mechanism includes a limiting block (17), a telescopic groove (19) corresponding to the limiting block (17) is provided on the side wall of the connecting port (9), the limiting block (17) is slidably arranged in the telescopic groove (19), and the limiting block (17) is connected to the inner wall of the telescopic groove (19) through a first spring (18), a limiting groove corresponding to the limiting block (17) is provided on the side wall of the connecting block (8), one side wall of the limiting block (17) is inclined, and an automatic retracting mechanism corresponding to the limiting block (17) is provided in the box body (1).

6. The movable smoke barrier vertical wall structure for a sloped roof according to claim 5, characterized in that: The automatic retracting mechanism includes a control switch (16), two ends of the first spring (18) are connected to the control switch (16) via two wires, the control switch (16) is connected to the backup power supply (13), and a smoke sensor controller (5) is fixedly provided on the side wall of the box (1), and the smoke sensor controller (5) is connected to the control switch (16) and the backup power supply (13) via wires.

Citation Information

Patent Citations

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