CN111119706A

CN111119706A - Automatic closing device for fireproof window in archive room

Info

Publication number: CN111119706A
Application number: CN202010044432.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Taizhou Jiaojiang Pre Lifting Automation Equipment Co ltd
Current assignee: Taizhou Jiaojiang Pre Lifting Automation Equipment Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-05-08

Abstract

The invention discloses an automatic closing device for a fire window in a file room, which comprises a window frame, wherein a taking cavity which is communicated with the front and the back is arranged in the window frame, a curtain falling device which can seal the taking cavity is arranged on the window frame, the curtain falling device comprises a containing cavity which is communicated with the inner wall of the upper end of the taking cavity, the automatic closing device utilizes a hot melt wire to be broken when being heated, the melting point of the hot melt wire is about sixty degrees, the hot melt wire is tightened and fixed to limit the rotation of a shaft with a fire curtain cloth, the hot melt wire is broken after encountering fire, the fire curtain cloth is automatically put down by the rotation of the shaft, in addition, the fireproof curtain cloth and the edge gap of the window frame are filled with moisture through a malleable fireproof part and are wetted, a fire source is placed into the file room, and in addition, the upper end of the automatic closing device is provided with a.

Description

Automatic closing device for fireproof window in archive room

Technical Field

The invention relates to the technical field of building closure, in particular to an automatic closing device for a fire window in a file room.

Background

Archives, as the space that is used for storing specially placing paper material, for the safety of inside data, adopt the window mode to register paper archives of taking usually. In the event of a fire, it is important to isolate the source of the fire in this space.

The traditional fire window needs manual opening and closing, and cannot timely react by self under the fire condition. In addition, the fire window relies on thermal-insulated cloth to keep apart the fire source, but the gap infiltration of upper end can be followed to the flue gas, and the last ash that falls of paper archival data is polluted. The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows:

traditional fire window needs artifical manual opening to close, and fire window relies on thermal-insulated cloth to keep apart the fire source, but the gap infiltration of upper end can be followed to the flue gas, and the last ash that falls of paper archival data is polluted.

In order to solve the problems, the automatic closing device for the fire window in the file room is designed in the embodiment, the automatic closing device for the fire window in the file room comprises a window frame, a taking cavity which is through from front to back is arranged in the window frame, a curtain falling device which is closed by the taking cavity and comprises a storage cavity, a symmetrical switch cavity, a transmission shaft, a cloth roller and a fire curtain, wherein the storage cavity is arranged on the inner wall of the upper end of the taking cavity, the switch cavity is arranged in the inner wall of the left end and the right end of the storage cavity and is close to the inner wall of the side of the storage cavity, the transmission shaft is connected with the inner wall of the side of the storage cavity in a rotating mode, the cloth roller is fixedly connected with the transmission shaft and is wound on the cloth roller, the fire curtain is wound or released to control the winding of the fire curtain to be opened and closed by the storage cavity, a control switch for judging the fire condition is arranged in the switch cavity, and the control switch comprises a knob shaft, a wire wheel fixedly connected with the knob shaft, a thermal fuse wound on the wire wheel, a clamping block which is connected on the inner wall of the bottom end of the switch cavity in a sliding way and is abutted against the thermal fuse, and a heat conducting piece positioned on the inner wall of the side of the switch cavity far away from the containing cavity, the clamping block is abutted against the inner wall of the switch cavity to clamp the thermal fuse, the thermal fuse can be heated by the heat conducting piece and then thermally melted, the limitation on the rotation of the knob shaft is removed, the fetching cavity is internally and bilaterally symmetrically provided with side leakage preventing components, each side leakage preventing component comprises a transmission cavity positioned at the lower end of the switch cavity, a folding groove positioned on the inner wall of the transmission cavity close to the side of the fetching cavity and communicated with the fetching cavity, and an expansion plate slidably connected with the folding groove, the expansion plate slides and expands to fill a gap between the fireproof curtain and the window frame, and the window frame is provided with a transmission assembly for transmitting descending power of the fireproof curtain.

The curtain device that falls still include with transmission shaft fixed connection just is located drive gear in the switch intracavity, drive gear with be connected with torque spring between the switch intracavity wall, accomodate chamber upper end inner wall and link up the pipe of discharging fume that is equipped with bilateral symmetry, it is connected with to rotate on the pipe inner wall of discharging fume and extends to the fixed axle in the switch intracavity, the fixed being equipped with on the fixed axle is located discharge fume intraductal ball valve, fixed being equipped with on the fixed axle with the driven gear that the drive gear meshing is connected, fire prevention curtain lower extreme internal fixation is equipped with the lifter.

Wherein, control switch still include with knob axle fixed connection and with the linking gear that drive gear meshing is connected, the switch chamber is kept away from accomodate on the chamber side inner wall sliding connection have with grip block fixed connection's pull rod, the grip block with be connected with reset spring between the switch intracavity wall.

Wherein, prevent the side leakage subassembly still include with the transmission chamber is close to take chamber side inner wall sliding connection's push rod, the push rod with fixed connection between the expansion plate, the fixed inclined plane piece that is located on the push rod in the transmission chamber, the inclined plane piece with be connected with compression spring between the transmission intracavity wall, the inclined plane piece with communicate with each other between the push rod and be equipped with the right angle pipe, be equipped with the water tank in the transmission chamber upper end inner wall, the water tank with sliding connection between the transmission chamber with the flank of tooth bucket that inclined plane piece upper end flank of tooth meshing is connected, be equipped with on the flank of tooth bucket with the water tank with the logical groove that the transmission chamber communicates with each other to be connected, the water tank is kept away from be equipped with the retaining pipe on the chamber side inner.

The transmission assembly comprises a folding groove and a U-shaped pipe arranged at the lower end of the transmission cavity, piston rods are connected in two vertical ends of the U-shaped pipe in a sliding mode, the piston rods close to the taking cavity side are arranged in the folding groove, and the piston rods far away from the taking cavity side are connected with the inclined plane blocks in an inclined plane sliding mode.

The invention has the beneficial effects that: the invention utilizes the thermal fuse to be broken when being heated and the melting point is about sixty degrees, the thermal fuse is tightened and fixed to limit the rotation of a shaft with the fireproof curtain, the thermal fuse is broken after meeting fire, the shaft rotates to automatically put down the fireproof curtain, in addition, the fireproof curtain is communicated with a water flow pipeline through an extensible fireproof part, the gap between the fireproof curtain and the edge of a window frame is filled for wetting, a fire source is placed to enter a file room, in addition, the upper end of the fireproof curtain is provided with a smoke through hole synchronously opened through a gear pair, and the entering of smoke dust is prevented.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

Fig. 1 is a schematic view of the entire structure of an automatic closing apparatus for a fire window in a filing room according to the present invention;

FIG. 2 is an enlarged structural view at "A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;

FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to an automatic closing device for a fire window in a file room, which is mainly applied to the automatic closing process of the fire window in the file room when encountering fire, and the invention is further explained by combining the attached drawings of the invention:

the automatic closing device for the fire window in the archive room comprises a window frame 11, wherein a taking cavity 12 which is through from front to back is arranged in the window frame 11, a curtain falling device 901 capable of sealing the taking cavity 12 is arranged on the window frame 11, the curtain falling device 901 comprises a containing cavity 13 which is through the inner wall of the upper end of the taking cavity 12, a switch cavity 36 which is symmetrical and is arranged in the inner walls of the left end and the right end of the containing cavity 13, a transmission shaft 38 which is rotatably connected with the inner wall of the switch cavity 36 close to the side of the containing cavity 13, a cloth roller 18 which is fixedly connected with the transmission shaft 38, and a fire curtain 14 which is wound on the cloth roller 18, the cloth roller 18 can rotate to wind or release the fire curtain 14 to control the taking cavity 12 to be opened and closed, a control switch for judging the fire condition is arranged in the switch cavity 36, and the control switch 902 comprises a knob 39 which is rotatably connected with the inner wall of the switch cavity 36 far away from the side of the taking cavity 13, a shaft 39, The window frame comprises a wire wheel 40 fixedly connected with a knob shaft 39, a thermal fuse 45 wound on the wire wheel 40, a clamping block 35 connected to the inner wall of the bottom end of a switch cavity 36 in a sliding mode and abutted against the thermal fuse 45, a heat conducting piece 41 located on the inner wall of the side, far away from the switch cavity 36, of a containing cavity 13, the clamping block 35 is abutted against the inner wall of the switch cavity 36 to clamp the thermal fuse 45, the thermal fuse 45 can be hot-melted by the heat conducting piece 41 to remove the limitation on the rotation of the knob shaft 39, anti-side-leakage components 903 are symmetrically arranged in the taking cavity 12 in a left-right mode, each anti-side-leakage component 903 comprises a transmission cavity 26 located at the lower end of the switch cavity 36, a folding groove 22 located on the inner wall of the side, close to the taking cavity 12, communicated with the taking cavity 12, and an expansion plate 23 connected with the folding groove 22 in a sliding mode, the expansion plate 23 is unfolded to fill the gap between the fireproof curtain 14 and the window frame 11, the window frame 11 is provided with a transmission assembly 904 for transmitting the descending power of the fire curtain 14.

According to the embodiment, the curtain falling device 901 will be described in detail below, the curtain falling device 901 further includes a transmission gear 33 fixedly connected to the transmission shaft 38 and located in the switch cavity 36, a torque spring 37 is connected between the transmission gear 33 and the inner wall of the switch cavity 36, the inner wall of the upper end of the containing cavity 13 is provided with a bilaterally symmetrical smoke exhaust pipe 16 in a penetrating manner, the inner wall of the smoke exhaust pipe 16 is rotatably connected with a fixed shaft 32 extending into the switch cavity 36, the fixed shaft 32 is fixedly provided with a ball valve 17 located in the smoke exhaust pipe 16, the fixed shaft 32 is fixedly provided with a driven gear 31 engaged with the transmission gear 33, the lower end of the fire curtain 14 is fixedly provided with a lifting rod 15, the fixed shaft 32 can rotate under the engagement between the driven gear 31 and the transmission gear 33 and change the opening direction of the ball valve 17, thereby controlling the opening and closing of the smoke exhaust pipe 16 to lead out the smoke.

According to the embodiment, the following detailed description is performed on the control switch 902, the control switch 902 further includes a connecting gear 34 fixedly connected to the knob shaft 39 and engaged with the transmission gear 33, the switch cavity 36 is far away from the inner wall of the side of the accommodating cavity 13 and is slidably connected to a pull rod 42 fixedly connected to the clamping block 35, a return spring 43 is connected between the clamping block 35 and the inner wall of the switch cavity 36, the knob shaft 39 can be manually rotated to release the thermal fuse 45, and the pull rod 42 can also be manually pulled to press the return spring 43 and make the clamping block 35 separate from the abutting connection with the switch cavity 36, so that the thermal fuse 45 falls between the clamping block 35 and the switch cavity 36, and after the hand is released, the clamping block 35 can be fixed under the clamping of the inner wall of the clamping block 35 and the inner wall of the switch cavity 36.

According to the embodiment, the side leakage preventing assembly 903 is described in detail below, the side leakage preventing assembly 903 further includes a push rod 44 slidably connected to the inner wall of the side of the transmission cavity 26 close to the taking cavity 12, the push rod 44 is fixedly connected to the expansion plate 23, the push rod 44 is fixedly provided with a bevel block 25 located in the transmission cavity 26, a compression spring 28 is connected between the bevel block 25 and the inner wall of the transmission cavity 26, a right-angle pipe 27 is communicated between the bevel block 25 and the push rod 44, a water tank 20 is arranged in the inner wall of the upper end of the transmission cavity 26, a tooth surface barrel 24 connected to the upper end of the bevel block 25 in a meshing manner is slidably connected between the water tank 20 and the transmission cavity 26, the tooth surface barrel 24 is provided with a through groove 21 communicated with the water tank 20 and the transmission cavity 26, and a water storage pipe 19 is arranged on the inner wall of the side of the water tank 20 far away from the taking cavity 12, in the sliding process of the bevel block 25, the side face of the upper end of the bevel block 25 is engaged with the gear barrel 24 to adjust the orientation of the through groove 21, so that water in the water tank 20 sequentially passes through the through groove 21 and the right-angle pipe 27 to flow onto the expansion plate 23 for further cooling.

According to an embodiment, a detailed description is provided below for the transmission assembly 904, the transmission assembly 904 includes a U-shaped tube 30 located at the lower end of the folding groove 22 and the transmission cavity 26, a piston rod 29 is slidably connected in two vertical ends of the U-shaped tube 30, the piston rod 29 near the side of the taking cavity 12 is located in the folding groove 22, and the piston rod 29 far from the side of the taking cavity 12 is in bevel sliding connection with the bevel block 25.

The following will describe in detail the use steps of an automatic closing device for a fire window in an archive chamber with reference to fig. 1 to 4:

when the device is installed, a cavity with the size of the window frame 11 is knocked out from the wall body, grooves for placing the knob shafts 39 and the pull rods 42 are formed in the inner walls of the left end and the right end of the cavity, and the openings of the grooves face to the inside of the file room.

Initially, knob axle 39 can be by manual rotation release thermal fuse 45, and torque spring 37 accumulates elastic potential energy, and pull rod 42 also can be by manual pulling, extrusion reset spring 43 and make grip block 35 break away from the butt with switch chamber 36, make things convenient for thermal fuse 45 to fall between grip block 35 and switch chamber 36, loosen the hand back, grip block 35 can be fixed under the centre gripping of grip block 35 and switch chamber 36 inner wall, at this moment, fire prevention curtain 14 is twined on batching roller 18, thereby will take chamber 12 and open, in addition, ball valve 17 opening orientation is perpendicular with exhaust pipe 16 pipe direction, exhaust pipe 16 is closed, logical groove 21 opening orientation is horizontal, disconnection between water tank 20 and the right angle pipe 27.

When a fire disaster occurs, the heat conducting piece 41 is heated and melts the thermal fuse 45, the lifting rod 15 slides down under the self gravity and the elastic force of the torque spring 37, the taking cavity 12 is sealed through the fireproof curtain 14, at the moment, the containing cavity 13 rotates to rotate the fixed shaft 32 and the connecting gear 34 through the meshing of the transmission gear 33, the driven gear 31 and the connecting gear 34, the fixed shaft 32 rotates to change the opening direction of the ball valve 17, so that the smoke exhaust pipe 16 is controlled to be opened and closed to lead out smoke at the upper end of air, the lifting rod 15 is abutted against the piston rod 29 in the folding groove 22, the piston rod 29 at the other end is pushed to move upwards through oil of the U-shaped pipe 30, the inclined surface between the piston rod 29 at the other end and the inclined surface block 25 slides to push the inclined surface block 25 to move close to the taking cavity 12 side, at the moment, the tooth surface at the upper end of the inclined surface block 25 is meshed with the tooth surface barrel 24 to rotate the tooth surface barrel 24, so that, therefore, water in the water tank 20 flows onto the expansion plate 23 through the through groove 21 and the right-angle pipe 27 in sequence to be further cooled, meanwhile, the expansion plate 23-time push rod 44 pushes the expansion plate to move and expand towards the taking cavity 12 side, and the compression spring 28 is extruded to fill a gap between the fireproof curtain 14 and the taking cavity 12.

When the fire curtain is recovered, the expansion plates 23 are manually pushed to slide away from each other and are kept, then the knob shaft 39 is manually rotated, the transmission shaft 38 is rotated through the engagement of the engaging gear 34 and the transmission gear 33, the fire curtain 14 is wound on the cloth roller 18 again for recovery, and meanwhile, a new thermal fuse 45 extends between the clamping block 35 and the switch cavity 36 and is fixed.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides an automatic closing device of fire window in archives, includes the window frame, the chamber of taking that link up around being equipped with in the window frame, its characterized in that: the window frame is provided with a curtain falling device capable of sealing the taking cavity;

the curtain falling device comprises a containing cavity, switch cavities, a transmission shaft, a cloth roller and a fireproof curtain, wherein the containing cavity is positioned on the inner wall of the upper end of the taking cavity in a penetrating mode, the switch cavities are positioned in the inner walls of the left end and the right end of the containing cavity and are symmetrical, the transmission shaft is rotatably connected with the inner wall of the switch cavity close to the side of the containing cavity, the cloth roller is fixedly connected with the transmission shaft, the fireproof curtain is wound on the cloth roller, and the cloth roller rotates to wind or release the fireproof curtain to control the opening and closing of the taking cavity;

a control switch for judging the fire condition is arranged in the switch cavity, the control switch comprises a knob shaft which is rotatably connected with the inner wall of the side, far away from the accommodating cavity, of the switch cavity, a wire wheel fixedly connected with the knob shaft, a thermal fuse wound on the wire wheel, a clamping block which is connected to the inner wall of the bottom end of the switch cavity in a sliding mode and is abutted to the thermal fuse, and a heat conducting piece which is positioned on the inner wall of the side, far away from the accommodating cavity, of the switch cavity, the clamping block is abutted to the inner wall of the switch cavity to clamp the thermal fuse, and the thermal fuse can be heated by the heat conducting piece and then is melted, so that the limitation on;

the interior bilateral symmetry of taking is equipped with prevents the side leakage subassembly, prevent the side leakage subassembly including being located the transmission chamber of switch chamber lower extreme, being located the transmission chamber is close to take on the intracavity side inner wall and with take the communicating folding groove in chamber, with the expansion plate of folding groove sliding connection piece, the expansion plate slides to expand and fills fire prevention curtain with the gap between the window frame, be equipped with the transmission on the window frame fire prevention curtain decline power's transmission subassembly.

2. An automatic closing device for a fire window in an archive room, as recited in claim 1, wherein: the curtain device that falls still include with transmission shaft fixed connection just is located drive gear in the switch intracavity, drive gear with be connected with torque spring between the switch intracavity wall, accomodate chamber upper end inner wall and link up the pipe of discharging fume that is equipped with bilateral symmetry, it is connected with to rotate on the pipe inner wall of discharging fume and extends to the fixed axle in the switch intracavity, fixed being equipped with on the fixed axle is located discharge fume intraductal ball valve, fixed being equipped with on the fixed axle with the driven gear that the drive gear meshing is connected, fire prevention curtain lower extreme internal fixation is equipped with the lifter.

3. An automatic closing device for a fire window in an archive room, as recited in claim 2, wherein: the control switch still include with knob axle fixed connection and with the linking gear that drive gear meshing is connected, the switch chamber is kept away from accomodate on the chamber side inner wall sliding connection have with grip block fixed connection's pull rod, the grip block with be connected with reset spring between the switch intracavity wall.

4. An automatic closing device for a fire window in an archive room, as recited in claim 1, wherein: the side leakage prevention assembly further comprises a push rod, the transmission cavity is close to the sliding connection of the inner wall of the side of the taking cavity, the push rod is fixedly connected between the expansion plates, an inclined surface block is fixedly arranged on the push rod and located in the transmission cavity, a compression spring is connected between the inclined surface block and the inner wall of the transmission cavity, a right-angle pipe is arranged between the inclined surface block and the push rod in a communication mode, a water tank is arranged in the inner wall of the upper end of the transmission cavity, a tooth surface barrel is connected between the water tank and the transmission cavity in a sliding connection mode, the tooth surface barrel is provided with a through groove, the water tank is connected with the transmission cavity in a communication mode, and a water storage pipe is arranged on the inner wall of the side of the taking cavity.

5. An automatic closing device for a fire window in an archive room, as recited in claim 4, wherein: the transmission assembly comprises a U-shaped pipe located at the lower end of the folding groove and the lower end of the transmission cavity, piston rods are connected in two vertical ends of the U-shaped pipe in a sliding mode, the piston rods close to the taking cavity side are located in the folding groove, and the piston rods far away from the taking cavity side are connected with the inclined plane blocks in a sliding mode.