CN216277568U

CN216277568U - Fireproof door with good smoke isolation effect

Info

Publication number: CN216277568U
Application number: CN202122057727.1U
Authority: CN
Inventors: 钼辉; 蔡勇
Original assignee: Mengcheng Tiantianfa Door Industry Co ltd
Current assignee: Mengcheng Tiantianfa Door Industry Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-04-12
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to the technical field of fireproof doors, in particular to a fireproof door with a good smoke isolation effect, which comprises a door frame and a processor, wherein a door leaf is hinged to one side frame of the door frame, the door leaf is of a hollow structure, mounting grooves are formed in the upper end and the lower end of the door leaf, partition plates are arranged in the mounting grooves and connected with the side walls of the mounting grooves in a vertically sliding mode, a driving unit is arranged in the door leaf and extends into the mounting grooves and is in transmission connection with the partition plates, the partition plates and the mounting grooves are in vertically sliding connection, the driving unit can drive the two partition plates to move along the mounting grooves in a reverse mode, an installation cavity is arranged in an upper frame of the door frame, a grid is arranged on one side surface, located indoors, of the upper frame of the door frame, and the installation cavity is communicated with the outside through the grid.

Description

Fireproof door with good smoke isolation effect

Technical Field

The utility model relates to the technical field of fireproof doors, in particular to a fireproof door with a good smoke isolation effect.

Background

A fire-proof partition with fire resistance for use in evacuation staircases, fire-proof partitions and vertical shafts, which can separate fire from escape areas, effectively slow down and block fire, and prevent smoke from spreading, thereby saving time for evacuees and firefighters to evacuate and save.

The existing opening and closing modes of most fireproof doors are both internally and externally pushed and closed and are consistent with the common opening and closing mode of doors, when the doors are opened and closed, the door seams are numerous, the doors are not easy to seal after being closed and the door frame, when a fire disaster happens, smoke is easy to diffuse from the door seams to the areas without the fire disaster no matter in the closed state or the passing state due to the existence of the door seams, so that the smoke blocking effect is reduced, meanwhile, harmful gas in the smoke can cause damage to the health of an escaper, thereby influencing the escape efficiency, the traditional internally and externally opened and closed fireproof doors have the advantages that due to the existence of a door closer, the escaper needs to push the door all the time when the door is opened, the escape speed of the following person is not facilitated, meanwhile, due to the very large weight of the fireproof door, the physical consumption of the escaper is large, the existing fireproof door which moves up and down is also exists, but the opening and closing height of the fireproof door is generally limited according to the height of the escaper, the width of opening and closing is limited, when the number of escapers is small, and only one person passes through the escape device at a time, the space of the fireproof door is wasted, and the smoke can be diffused more quickly.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the stainless steel door which is good in using effect, simple and easy to implement.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a fireproof door with good smoke isolation effect comprises a door frame and a processor, wherein a door leaf is hinged to one side frame of the door frame, the door leaf is of a hollow structure, mounting grooves are formed in the upper end and the lower end of the door leaf, partition plates are arranged in the mounting grooves and connected with the side walls of the mounting grooves in a sliding mode up and down, a driving unit is arranged in the door leaf and extends into the mounting grooves and is in transmission connection with the partition plates, the partition plates and the mounting grooves are in sliding connection up and down, the driving unit can drive the two partition plates to move along the mounting grooves in a reverse mode, a mounting cavity is arranged in an upper frame of the door frame, a grid is arranged on one side face, positioned in a room, of an upper frame of the door frame, the mounting cavity is communicated with the outside through the grid, a smoke absorption unit is arranged in the mounting cavity, a placing groove is arranged below the mounting cavity in the door frame, a cleaning unit is arranged in the placing groove, the lower end of the placing groove can penetrate through the lower frame of the lower frame, and a smoke sensor is arranged on one side face, positioned in the room, of the door leaf, the smoke sensor is electrically connected with the processor, and the processor is electrically connected with the driving unit.

The further optimization of this technical scheme, the drive unit includes the axis of rotation, first motor, the bevel gear subassembly, first threaded rod and second threaded rod, first motor is fixed to be set up in the door leaf, and first motor output and axis of rotation one end fixed connection, the axis of rotation is located the door leaf, and the level sets up, the axis of rotation rotates with the door leaf to be connected, the treater is connected with first motor electricity, the bevel gear subassembly is located the door leaf, and be connected with axis of rotation transmission, first threaded rod lower extreme is connected with bevel gear subassembly transmission, and the upper end can vertically stretch into in the baffle of door leaf top, first threaded rod is connected with the baffle transmission, and be connected for rotating with the door leaf, second threaded rod upper end is connected with bevel gear subassembly transmission, and the lower extreme can vertically stretch into inside the baffle that is located the door leaf lower extreme, the second threaded rod is connected with the baffle transmission, and rotate with the door leaf and be connected.

The further optimization of this technical scheme, bevel gear subassembly include driving gear, first driven gear and second driven gear, and the driving gear fixed cover is established in the axis of rotation, and both ends about first driven gear and second driven gear are located the driving gear respectively, and all with driving gear intermeshing, and first driven gear overlaps and establishes at first threaded rod lower extreme, and second driven gear fixed cover is established in second threaded rod upper end.

The further optimization of this technical scheme still includes the cleaning unit, and the cleaning unit includes outlet pipe and water pump, and the outlet pipe is fixed to be set up in the standing groove, and outlet pipe one end is linked together with the water pump output, is provided with out the water shower nozzle along its extending direction equidistance under the outlet pipe.

The further optimization of this technical scheme, the smoking unit includes smoking pipe and air pump, and the smoking pipe is fixed to be set up in the installation cavity, and is on a parallel with the setting of frame extending direction on the door frame, and one side that the smoking pipe is close to the grid is fixed to be provided with the smoking mouth, and the smoking mouth sets up along smoking pipe extending direction, and smoking pipe one end is linked together with the air pump, and the other end is linked together with the connecting pipe, and the connecting pipe can stretch out the door frame outside.

Further optimization of this technical scheme, the door leaf does not have the cavity, and the cavity is the same with door leaf cross sectional shape in vertical direction, and the casting that is located between mounting groove and the cavity in the door leaf has the concrete.

The further optimization of this technical scheme, the fixed baffle that is provided with in one side that the articulated side frame of door leaf is close to the door leaf is kept away from to the door frame, the baffle is located the door leaf and is close to outdoor one side, the fixed block that is provided with in one side that the door frame side frame was kept away from to the baffle, the one side fixedly connected with joint strip that the fixed block is close to the door leaf, a side that joint strip kept away from the fixed block can the door leaf be located outdoor side and laminate mutually, both ends contact with door frame upper frame and lower frame respectively about the joint strip.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the driving unit and the partition plate are arranged in the door leaf, and the smoke sensor and the processor are electrically connected with the driving unit, so that when smoke is generated indoors, the driving unit can start the driving partition plate to extend out of the door frame in time, a gap between the upper end of the door leaf and the upper frame of the door frame is blocked, and a gap between the door leaf and the ground can be blocked by the partition plate at the lower part of the door leaf. Simultaneously through setting up joint strip on the baffle setting up for smog can't be kept away from its articulated side from the door leaf and ooze from the gap between the door frame. Can achieve good smoke insulation effect. Meanwhile, the smoke suction unit is arranged to draw away indoor smoke, and the door leaf is wetted by the sprayed smoke suction unit, so that fire near the door leaf can be prevented, and a certain cooling effect is achieved. The fireproof smoke-insulation device is simple in structure, convenient to use, good in fireproof smoke-insulation effect and high in safety performance.

Drawings

FIG. 1 is a cross-sectional view of a fire rated door with good smoke barrier properties;

figure 2 is a schematic view of a horizontal partial cross-section of a fire rated door with good smoke barrier;

in the figure: the device comprises an installation cavity 1, a cavity 2, a water outlet pipe 3, a door frame 5, a sealing rubber strip 6, a second threaded column 7, a bevel gear component 8, a first threaded rod 9, a fixing block 10, a partition plate 11 and a smoke absorbing pipe 12.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 and fig. 2, a cross-sectional view of a fire door with good smoke isolation effect and a horizontal partial cross-sectional view of a fire door with good smoke isolation effect are respectively shown, the fire door comprises a door frame 5, a door leaf is hinged to a side frame of the door frame 5, the door leaf is of a hollow structure, mounting grooves are formed in the upper end and the lower end of the door leaf, partition plates 11 are arranged in the mounting grooves, and the partition plates 11 and the side walls of the mounting grooves can be connected in a sliding manner up and down. Install drive unit in the door leaf, drive unit includes axis of rotation, first motor, bevel gear subassembly 8, first threaded rod 9 and second threaded rod 7, and first motor is fixed to be set up in the door leaf, and first motor output and axis of rotation one end fixed connection, and the axis of rotation is located the door leaf, and the level sets up, and the axis of rotation is connected with the door leaf rotation. Bevel gear subassembly 8 includes driving gear, first driven gear and second driven gear, and the driving gear fixed sleeve is established on the axis of rotation, and both ends about first driven gear and second driven gear are located the driving gear respectively, and all with driving gear intermeshing. The first driven gear is sleeved at the lower end of the first threaded rod 9, the upper end of the first threaded rod 9 can vertically extend into the partition board 11 above the door leaf, and the first threaded rod 9 is in transmission connection with the partition board 11 and is in rotating connection with the door leaf. The fixed cover of second driven gear establishes in second threaded rod 7 upper end, and inside second threaded rod 7 lower extreme can vertically stretch into the baffle 11 that is located the door leaf lower extreme, second threaded rod 7 is connected with the transmission of baffle 11, and rotates with the door leaf and be connected. A smoke sensor is arranged on one side face, located indoors, of the door leaf and electrically connected with a processor, and the processor is electrically connected with the first motor.

The first motor can drive the rotating shaft to rotate, the rotating shaft can drive the first threaded rod 9 and the second threaded rod 7 through the first driven gear and the second driven gear, the first threaded rod 9 can drive the partition board 11 located on the upper portion of the door leaf to move upwards or downwards along the mounting groove in a rotating mode, and the second threaded rod 7 can drive the partition board 11 to move upwards or downwards along the partition board 11 below the door leaf.

The door leaf is not provided with cavity 2, and cavity 2 is the same with door leaf cross-sectional shape on vertical direction, and the casting that is located between mounting groove and cavity 2 in the door leaf has the concrete.

A baffle is fixedly arranged on one side, close to the door leaf, of the side frame, far away from the hinged side of the door leaf, of the door frame 5, and the baffle is located on one side, close to the outdoor, of the door leaf. One side that 5 side frames were kept away from to the baffle is fixed to be provided with fixed block 10, and one side fixedly connected with joint strip 6 that fixed block 10 is close to the door leaf, and joint strip 6 keeps away from a side of fixed block 10 and can the door leaf be located outdoor side and laminate mutually. The upper end and the lower end of the sealing rubber strip 6 are respectively contacted with the upper frame and the lower frame of the door frame 5.

The upper frame of the door frame 5 is internally provided with a mounting cavity 1, one side surface of the upper frame of the door frame 5, which is positioned indoors, is provided with a grating, the mounting cavity 1 is communicated with the outside through the grating, and the mounting cavity 1 is internally provided with a smoke suction unit. The smoking unit comprises a smoking pipe 12 and an air pump, the smoking pipe 12 is fixedly arranged in the installation cavity 1 and is arranged in parallel to the extending direction of the upper frame of the door frame 5, a smoking port is fixedly arranged on one side of the smoking pipe 12 close to the grating, and the smoking port is arranged along the extending direction of the smoking pipe 12. One end of the smoking pipe 12 is communicated with the air pump, and the other end is communicated with a connecting pipe which can extend out of the door frame 5.

A placing groove is formed in the door frame 5 below the mounting cavity 1, a cleaning unit is arranged in the placing groove, and the lower end of the placing groove can penetrate through the lower side of the door frame 5.

The cleaning unit comprises a water outlet pipe 3 and a water pump, the water outlet pipe 3 is fixedly arranged in the placing groove, one end of the water outlet pipe 3 is communicated with the output end of the water pump, and water outlet nozzles are arranged on the lower portion of the water outlet pipe 3 along the extending direction of the water outlet pipe at equal intervals.

When the smoke sensor is used, when a large amount of smoke is generated indoors, the smoke sensor can transmit signals to the processor, the processor can send a starting instruction to the first motor, and the first motor can drive the rotating shaft to rotate. The rotating shaft can drive the first threaded rod 9 and the second threaded rod 7 to rotate through the first driven gear and the second driven gear, the first threaded rod 9 can drive the partition board 11 located on the upper portion of the door leaf to move upwards along the mounting groove in a rotating mode, and the second threaded rod 7 can drive the partition board 11 to move downwards along the partition board 11 below the door leaf. The gap between the upper end of the door leaf and the upper frame of the door frame 5 is blocked, and the gap between the door leaf and the ground can be blocked by the partition plate 11 at the lower part of the door leaf. Meanwhile, when the door leaf is closed, one side of the door leaf located outdoors can be attached to one side of the sealing rubber strip 6 far away from the fixed block 10. The upper end and the lower end of the sealing rubber strip 6 are respectively contacted with the upper frame and the lower frame of the door frame 5. The sealing bead 6 can thus block the gap between the door leaf remote from its hinged side and the door frame 5. Therefore, the smoke can be prevented from permeating from the door gap, and a good smoke isolating effect is achieved. Meanwhile, an air pump can be started, and the air pump sucks indoor smoke from a grating arranged on the door frame 5 into the smoke pipe through a smoke suction port on the smoke suction pipe 12, so that the indoor smoke can be sucked away. Meanwhile, water can be pumped into the water outlet pipe 3 through an external pipeline of the water pump, the water outlet pipe 3 can spray water downwards from the upper frame of the door frame 5 through the water outlet nozzle, the door leaf is wetted, and meanwhile a certain cooling effect is achieved.

According to the utility model, the driving unit and the partition plate 11 are arranged in the door leaf, and the smoke sensor and the processor are electrically connected with the driving unit, so that when smoke is generated indoors, the driving unit can start the driving partition plate 11 to extend out of the door frame 5 in time, a gap between the upper end of the door leaf and the upper frame of the door frame 5 is blocked, and a gap between the door leaf and the ground can be blocked by the partition plate 11 at the lower part of the door leaf. Meanwhile, the sealing rubber strips 6 are arranged on the baffle, so that smoke cannot seep out from a gap between the hinged side of the door leaf and the door frame 5. Can achieve good smoke insulation effect. Meanwhile, the smoke suction unit is arranged to draw away indoor smoke, and the door leaf is wetted by the sprayed smoke suction unit, so that fire near the door leaf can be prevented, and a certain cooling effect is achieved. The fireproof smoke-insulation device is simple in structure, convenient to use, good in fireproof smoke-insulation effect and high in safety performance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, elements identified by the phrases "comprising … …" or "comprising … …" do not exclude the presence of additional elements in the process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that these embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes that can be used in the present specification and drawings, or used directly or indirectly in other related fields are encompassed by the present invention.

Claims

1. A fireproof door with good smoke isolation effect is characterized by comprising a door frame and a processor, wherein a door leaf is hinged to one side frame of the door frame, the door leaf is of a hollow structure, mounting grooves are formed in the upper end and the lower end of the door leaf, partition plates are arranged in the mounting grooves and connected with the side walls of the mounting grooves in a vertically sliding manner, a driving unit is arranged in the door leaf and extends into the mounting grooves and is in transmission connection with the partition plates, the partition plates and the mounting grooves are in vertical sliding connection, the driving unit can drive the two partition plates to move along the mounting grooves in a reverse direction, a mounting cavity is arranged in the upper frame of the door frame, a grid is arranged on one side surface of the upper frame of the door frame, which is positioned indoors, the mounting cavity is communicated with the outside through the grid, a smoke absorption unit is arranged in the mounting cavity, and a placing groove is arranged below the mounting cavity in the door frame, the door leaf is characterized in that a cleaning unit is arranged in the placing groove, the lower end of the placing groove can penetrate through the lower surface of the lower frame of the door frame, a smoke sensor is arranged on one side surface, located indoors, of the door leaf, the smoke sensor is electrically connected with a processor, and the processor is electrically connected with the driving unit.

2. The fire door with good smoke insulation effect as claimed in claim 1, wherein the driving unit comprises a rotating shaft, a first motor, a bevel gear assembly, a first threaded rod and a second threaded rod, the first motor is fixedly arranged in the door leaf, the output end of the first motor is fixedly connected with one end of the rotating shaft, the rotating shaft is arranged in the door leaf and horizontally arranged, the rotating shaft is rotatably connected with the door leaf, the processor is electrically connected with the first motor, the bevel gear assembly is arranged in the door leaf and is in transmission connection with the rotating shaft, the lower end of the first threaded rod is in transmission connection with the bevel gear assembly, the upper end of the first threaded rod can vertically extend into the partition above the door leaf, the first threaded rod is in transmission connection with the partition and is rotatably connected with the door leaf, the upper end of the second threaded rod is in transmission connection with the bevel gear assembly, and the lower end of the second threaded rod can vertically extend into the partition below the door leaf, and the second threaded rod is in transmission connection with the partition plate and is in rotating connection with the door leaf.

3. The fire door with good smoke insulation effect as claimed in claim 2, wherein the bevel gear assembly comprises a driving gear, a first driven gear and a second driven gear, the driving gear is fixedly sleeved on the rotating shaft, the first driven gear and the second driven gear are respectively arranged at the upper end and the lower end of the driving gear and are mutually meshed with the driving gear, the first driven gear is sleeved at the lower end of the first threaded rod, and the second driven gear is fixedly sleeved at the upper end of the second threaded rod.

4. The fire door with good smoke insulation effect according to claim 1, further comprising a cleaning unit, wherein the cleaning unit comprises a water outlet pipe and a water pump, the water outlet pipe is fixedly arranged in the placing groove, one end of the water outlet pipe is communicated with an output end of the water pump, and water outlet nozzles are arranged under the water outlet pipe at equal intervals along the extending direction of the water outlet pipe.

5. The fire door with good smoke insulation effect as claimed in claim 1, wherein the smoke absorption unit comprises a smoke absorption tube and an air pump, the smoke absorption tube is fixedly disposed in the installation cavity and is parallel to the extending direction of the upper frame of the door frame, a smoke absorption port is fixedly disposed on one side of the smoke absorption tube close to the grille, the smoke absorption port is disposed along the extending direction of the smoke absorption tube, one end of the smoke absorption tube is communicated with the air pump, the other end of the smoke absorption tube is communicated with the connecting pipe, and the connecting pipe can extend out of the door frame.

6. The fire door with good smoke insulation effect as claimed in claim 1, wherein the door leaf is not provided with a cavity, the cavity has the same shape as the cross section of the door leaf in the vertical direction, and concrete is cast between the installation groove and the cavity in the door leaf.

7. The fireproof door with good smoke insulation effect according to claim 1, wherein a baffle is fixedly arranged on one side, close to the door leaf, of the side frame, far away from the hinged side of the door leaf, of the door frame, the baffle is arranged on one side, close to the outside, of the door leaf, a fixing block is fixedly arranged on one side, far away from the side frame, of the baffle, a sealing rubber strip is fixedly connected to one side, close to the door leaf, of the fixing block, one side, far away from the fixing block, of the sealing rubber strip can be attached to one side, located outside, of the door leaf, and the upper end and the lower end of the sealing rubber strip are respectively in contact with the upper frame and the lower frame of the door frame.