CN220101105U - Fire prevention division door for fire control - Google Patents
Fire prevention division door for fire control Download PDFInfo
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- CN220101105U CN220101105U CN202321426844.3U CN202321426844U CN220101105U CN 220101105 U CN220101105 U CN 220101105U CN 202321426844 U CN202321426844 U CN 202321426844U CN 220101105 U CN220101105 U CN 220101105U
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- fire
- galvanized steel
- groove
- flame
- door frame
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- 230000002265 prevention Effects 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 92
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 46
- 239000008397 galvanized steel Substances 0.000 claims abstract description 46
- 239000003063 flame retardant Substances 0.000 claims abstract description 38
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 abstract description 21
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000000779 smoke Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
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Abstract
The utility model discloses a fire-proof isolation door for fire protection, which comprises a door frame and an opening and closing mechanism; door frame: the left side of the front surface of the door frame is hinged with a galvanized steel plate through hinges which are vertically and uniformly distributed, the upper end of the front surface of the galvanized steel plate is provided with a groove, the inside of the groove is provided with uniformly distributed round grooves, the inside of each round groove is provided with a filter screen, the rear end of the inner wall of the door frame is provided with an inner frame, the front surface of the inner frame is provided with a flame-retardant sealing strip II, the front surface of the flame-retardant sealing strip II is contacted with the rear surface of the galvanized steel plate, and a fireproof lock is arranged between the right end of the front side of the galvanized steel plate and the door frame; this fire control is with fire prevention division door, thereby effectively improve its self sealing isolation performance through multistage sealing layer, thereby the device adopts elasticity extrusion seal simultaneously can effectively reduce the gap clearance at device sealing position, convenient to use to the device can carry out flame drainage in advance when needing to open in the conflagration, prevents that flame from oozing out from the door crack because of the atmospheric pressure difference, and the operation is safe.
Description
Technical Field
The utility model relates to the technical field of fire doors, in particular to a fire-proof isolation door for fire protection.
Background
The fireproof isolation door is an important component in fire-fighting equipment, is an important ring in social fireproof, and is provided with a fireproof door closer, so that the fireproof door is always in a closed state, a fireproof partition with certain fire resistance is arranged between fireproof partitions, between evacuation stairways, vertical shafts and the like, when the fireproof isolation door is used, a fire-resistant sealing strip is arranged between a door body and a door frame, so that the sealing performance of the device is improved, the door body of the device is opened and closed according to an actual environment through the door closer, the device body is made of a high-temperature-resistant alloy material, the whole high-temperature-resistant performance of the device is improved, however, the sealing strip in the device is oxidized and hardened for a long time, so that the sealing gap between the door frame bodies of the device is enlarged, the sealing isolation performance of the device is reduced, and rescue workers can outwards puff from the gradually opened door seam due to the large combustion air pressure of the internal flame when the fire is opened, and the rescue workers are not reacted timely and are easy to be damaged.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the fire-proof isolation door for fire protection, which effectively improves the sealing and isolation performance of the fire-proof isolation door by a multi-stage sealing layer, simultaneously, the gap clearance of the sealing part of the fire-proof isolation door can be effectively reduced by adopting elastic extrusion sealing, the fire-proof isolation door is convenient to use, flame drainage can be performed in advance when the fire disaster needs to be opened, the flame is prevented from being blown out from a door gap due to air pressure difference, the operation is safe, and the problems in the background art can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a fire-proof isolation door for fire protection comprises a door frame and an opening and closing mechanism;
door frame: the left side of the front surface of the door frame is hinged with a galvanized steel plate through hinges which are vertically and uniformly distributed, the upper end of the front surface of the galvanized steel plate is provided with a groove, the inside of the groove is provided with uniformly distributed round grooves, the inside of each round groove is provided with a filter screen, the rear end of the inner wall of the door frame is provided with an inner frame, the front surface of the inner frame is provided with a flame-retardant sealing strip II, the front surface of the flame-retardant sealing strip II is contacted with the rear surface of the galvanized steel plate, and a fireproof lock is arranged between the right end of the front side of the galvanized steel plate and the door frame;
an opening and closing mechanism: the device is arranged on the front surface of a galvanized steel sheet, the opening and closing mechanism is matched with the groove, the sealing and isolating performance of the device is effectively improved through the multistage sealing layer, meanwhile, the gap clearance of the sealing part of the device can be effectively reduced through elastic extrusion sealing, the device is convenient to use, flame drainage can be performed in advance when the device needs to be opened in a fire disaster, flame is prevented from being blown out from a door gap due to air pressure difference, and the operation is safe.
Further, the opening and closing mechanism comprises a limiting seat, a first sliding groove, a first sliding seat, a bent rod and a sealing plate, wherein the limiting seat is arranged at the upper end of the front surface of the galvanized steel sheet, the first sliding seat is connected with the first sliding seat in a sliding manner in the first sliding groove formed in the inclined surface of the limiting seat, the sealing plate is arranged on the upper surface of the first sliding seat through the bent rod, the sealing plate is matched with the groove, and the sealing plate is controlled to be opened or closed with the groove.
Further, the opening and closing mechanism further comprises a fixing seat, a connecting rod, an electric push rod and a second sliding seat, wherein the fixing seat is fixedly connected with the lower surface of the limiting seat through the connecting rod which is symmetrically distributed, the second sliding seat is arranged on the upper surface of the fixing seat through the electric push rod, the input end of the electric push rod is electrically connected with the output end of the external control switch, and a second sliding groove formed in the lower surface of the first sliding seat is in sliding connection with the second sliding seat to provide power for opening the sealing plate.
Further, the inside of the groove is contacted with the rear surface of the sealing plate through the first flame-retardant sealing strip, so that the groove is sealed.
Further, a door closer is arranged between the door frame and the upper left corner of the galvanized steel sheet, and the device is automatically closed.
Further, rectangular distributed conical grooves are formed in the middle of the inner wall of the door frame, conical flame-retardant sealing strips are fixedly connected to the inner portions of the conical grooves through uniformly distributed telescopic columns and springs, the springs are movably sleeved with the outer ends of the adjacent telescopic columns, the conical flame-retardant sealing strips are in sliding connection with the conical grooves, the inner sides of the conical flame-retardant sealing strips are in contact with the outer side faces of galvanized steel sheets, and the device is elastically extruded and sealed.
Furthermore, an observation window is arranged at the upper end of the galvanized steel sheet, so that the other side of the device can be observed conveniently.
Compared with the prior art, the utility model has the beneficial effects that: this fire control is with fire prevention division door has following benefit:
1. the fire-retardant sealing strip is characterized in that the rear surface of the galvanized steel sheet is contacted with the flame-retardant sealing strip II on the front side of the inner frame to conduct first-stage fire prevention isolation on the device, meanwhile, the conical fire-retardant sealing strip is tightly attached to the outer side surface of the galvanized steel sheet through the compression elasticity of the spring to conduct second-stage fire prevention sealing on the device, the conical fire-retardant sealing strip outwards moves along the notch of the conical groove under the action of the compression elasticity of the spring in the process, and the inclined plane inclination angle of the conical fire-retardant sealing strip is larger than that of the notch of the conical groove, so that the contact part between the conical fire-retardant sealing strip and the notch of the conical groove is gradually tightened in the outwards moving process of the conical fire-retardant sealing strip, the sealing tightness among the conical fire-retardant sealing strip, the conical groove and the galvanized steel sheet is ensured.
2. When a fire disaster occurs, when the isolating door needs to be opened, the electric push rod is started through the external control switch to enable the telescopic end of the electric push rod to drive the sliding seat II to move downwards, the sliding seat II enables the sliding seat I to slide downwards along the sliding groove I through the sliding groove II, in the process, the sliding seat II automatically slides backwards along the sliding groove II, the curved rod drives the sealing plate to move downwards vertically and simultaneously move forwards, the groove is opened, flame or smoke on the periphery of the door frame on the other side of the galvanized steel plate is enabled to circulate along the circular groove, the phenomenon that the fire disaster occurs on one side of the device is avoided, the flame is caused to blow out along the door seam due to the air pressure problem when the door is opened, so that danger is generated to door opening personnel due to the air pressure problem is avoided, flame drainage can be performed in advance when the fire disaster needs to be opened, the flame is prevented from being blown out from the door seam due to the air pressure difference, and operation is safe in the fire disaster fire fighting process.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a door frame according to the present utility model;
fig. 3 is an enlarged schematic view of the structure of the present utility model at a.
In the figure: 1 door frame, 2 galvanized steel sheets, 3 observation windows, 4 door closers, 5 hinges, 6 fireproof locks, 7 opening and closing mechanisms, 71 fixing seats, 72 connecting rods, 73 electric push rods, 74 limiting seats, 75 sliding grooves I, 76 sliding seats II, 77 sliding seats I, 78 curved rods, 79 sealing plates, 8 grooves, 9 filter screens, 10 flame-retardant sealing strips I, 11 inner frames, 12 flame-retardant sealing strips II, 13 telescopic columns, 14 springs and 15 conical flame-retardant sealing strips.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present embodiment provides a technical solution: a fire-proof isolation door for fire protection comprises a door frame 1 and an opening and closing mechanism 7;
door frame 1: the left side of the front surface is hinged with a galvanized steel plate 2 through a hinge 5 which is vertically and uniformly distributed, the upper end of the front surface of the galvanized steel plate 2 is provided with a groove 8, the inside of the groove 8 is provided with uniformly distributed round grooves, the inside of each round groove is provided with a filter screen 9, the rear end of the inner wall of the door frame 1 is provided with an inner frame 11, the front surface of the inner frame 11 is provided with a fire-retardant sealing strip II 12, the front surface of the fire-retardant sealing strip II 12 is contacted with the rear surface of the galvanized steel plate 2, a fireproof lock 6 is arranged between the right end of the front side of the galvanized steel plate 2 and the door frame 1, a door closer 4 is arranged between the door frame 1 and the upper left corner of the galvanized steel plate 2, the middle part of the inner wall of the door frame 1 is provided with rectangular distributed conical grooves, the inside of each conical grooves is fixedly connected with conical fire-retardant sealing strips 15 through uniformly distributed telescopic columns 13 and springs 14, the springs 14 are movably sleeved with the outer ends of the adjacent telescopic columns 13, the conical fire-retardant sealing strips 15 are in sliding connection with the conical grooves, when the fire-proof isolation door for fire protection is used, the galvanized steel plate 2 is rotated around the hinge 5 to be locked and fixed with the door frame 1 by the fireproof lock 6, the rear surface of the galvanized steel plate 2 is contacted with the second flame-proof sealing strip 12 at the front side of the inner frame 11 to perform first-stage fire-proof isolation on the device, meanwhile, the tapered flame-proof sealing strip 15 is tightly attached to the outer side of the galvanized steel plate 2 by the compression elasticity of the spring 14 to perform second-stage fire-proof sealing on the device, the tapered flame-proof sealing strip 15 moves outwards along the notch of the tapered groove under the compression elasticity of the spring 14 in the process, and the inclined plane inclination angle of the tapered flame-proof sealing strip 15 is larger than that of the notch of the tapered groove, the contact part between the conical flame-retardant sealing strip 15 and the notch of the conical groove is gradually tightened in the outward moving process of the conical flame-retardant sealing strip 15, so that the sealing among the conical flame-retardant sealing strip 15, the conical groove and the galvanized steel sheet 2 is tight, the observation window 3 is convenient for personnel to observe the environment at the other side of the device, the galvanized steel sheet 2 is automatically closed through the door closer 4, and the fire-fighting fireproof isolation door can conduct flame drainage in advance when needing to be opened in a fire disaster, so that flame is prevented from being blown out from a door gap due to air pressure difference, and the operation is safe;
opening and closing mechanism 7: the opening and closing mechanism 7 is arranged on the front surface of the galvanized steel sheet 2 in a matched manner, the opening and closing mechanism 7 is arranged on the groove 8 in a matched manner, the opening and closing mechanism 7 comprises a limiting seat 74, a first sliding groove 75, a first sliding seat 77, a bent rod 78 and a sealing plate 79, the limiting seat 74 is arranged at the upper end of the front surface of the galvanized steel sheet 2, the first sliding seat 77 is connected in a sliding manner in the first sliding groove 75 formed in the inclined surface of the limiting seat 74, the sealing plate 79 is arranged on the upper surface of the first sliding seat 77 through the bent rod 78, the sealing plate 79 is arranged in a matched manner with the groove 8 in a matched manner, the opening and closing mechanism 7 further comprises a fixing seat 71, a connecting rod 72, an electric push rod 73 and a second sliding seat 76, the fixing seat 71 is fixedly connected with the lower surface of the limiting seat 74 through the symmetrically distributed connecting rod 72, the upper surface of the fixing seat 71 is provided with a second sliding seat 76 through the electric push rod 73, the input end of the electric push rod 73 is electrically connected with the output end of an external control switch, the second sliding seat 76 formed in the lower surface of the sliding seat 77 is connected in a sliding manner, when the interior of the groove 8 is contacted with the rear surface of the sealing plate 79 through the first flame-retardant sealing strip 10 and when a fire disaster occurs, the electric push rod 73 is started through the external control switch to drive the telescopic end of the electric push rod 73 to drive the sliding seat II 76 to move vertically downwards, the sliding seat II 76 enables the sliding seat I77 to slide downwards along the sliding groove I75 through the sliding groove II, in the process, the sliding seat II 76 slides backwards along the sliding groove II in a self-adapting way, so that the curved rod 78 drives the sealing plate 79 to move vertically downwards and simultaneously move forwards, the groove 8 is opened, flames or smoke gas on the periphery of the door frame on the other side of the galvanized steel plate 2 circulate initially along the circular groove, the phenomenon that the flames are fleed out along door gaps due to air pressure problems when the door is opened due to fire disaster is avoided on one side of the device, the fire-retardant sealing strip 10 can seal the gap between the groove 8 and the sealing plate 79, and the fire-retardant isolating door for fire protection effectively improves the sealing isolation performance of the fire-retardant sealing strip through the multistage sealing layer, and simultaneously the gap clearance of the sealing part of the fire-retardant sealing strip can be effectively reduced by adopting elastic extrusion sealing.
The utility model provides a fire-proof isolation door for fire protection, which has the following working principle: when the fire-proof isolation door for fire protection is used, the galvanized steel sheet 2 rotates around the hinge 5 to be locked and fixed with the door frame 1 through the fire-proof lock 6, at the moment, the rear surface of the galvanized steel sheet 2 is contacted with the fire-proof sealing strip II 12 at the front side of the inner frame 11 to perform first-stage fire-proof isolation on the device, meanwhile, the conical fire-proof sealing strip 15 is tightly attached to the outer side surface of the galvanized steel sheet 2 through the compression elasticity of the spring 14 to perform second-stage fire-proof sealing on the device, in the process, the conical fire-proof sealing strip 15 moves outwards along the notch of the conical groove under the action of the compression elasticity of the spring 14, and the inclined plane inclination angle of the conical fire-proof sealing strip 15 is larger than the inclined plane inclination angle of the notch of the conical groove, so that the contact part between the conical fire-proof sealing strip 15 and the notch of the conical groove is gradually tightened in the outward moving process of the conical fire-proof sealing strip 15, the conical groove and the galvanized steel sheet 2, when the isolating door needs to be opened in the case of fire, the electric push rod 73 is started through the external control switch to enable the telescopic end of the electric push rod 73 to drive the sliding seat II 76 to move vertically downwards, the sliding seat II 76 enables the sliding seat I77 to slide downwards along the sliding groove I75 through the sliding groove II, in the process, the sliding seat II 76 slides backwards along the sliding groove II in a self-adaption mode, so that the curved rod 78 drives the sealing plate 79 to move vertically downwards and simultaneously move forwards, the groove 8 is opened, flames or smoke on the periphery of the door frame on the other side of the galvanized steel plate 2 circulate along the circular groove, the situation that the flames are fleed out along the door gaps when the door is opened due to the air pressure problem on one side of the device is avoided, the harm is caused to door openers due to the fire condition, the fire-retardant sealing strip I10 can seal gaps between the groove 8 and the sealing plate 79, the observation window 3 is convenient for personnel to observe the environment at the other side of the device, and the galvanized steel sheet 2 is automatically closed by the door closer 4.
It should be noted that the electric push rod 73 disclosed in the above embodiment may employ a GRA-L25, and the external control switch is provided with a control button corresponding to the electric push rod 73 for controlling the switch thereof.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a fire prevention division door for fire control which characterized in that: comprises a door frame (1) and an opening and closing mechanism (7);
door frame (1): the left side of the front surface of the door frame is hinged with a galvanized steel sheet (2) through a hinge (5) which is vertically and uniformly distributed, the upper end of the front surface of the galvanized steel sheet (2) is provided with a groove (8), the inside of the groove (8) is provided with a round groove which is uniformly distributed, the inside of the round groove is provided with a filter screen (9), the rear end of the inner wall of the door frame (1) is provided with an inner frame (11), the front surface of the inner frame (11) is provided with a flame-retardant sealing strip II (12), the front surface of the flame-retardant sealing strip II (12) is in contact with the rear surface of the galvanized steel sheet (2), and a fireproof lock (6) is arranged between the right end of the front side of the galvanized steel sheet (2) and the door frame (1);
opening and closing mechanism (7): the opening and closing mechanism (7) is arranged on the front surface of the galvanized steel sheet (2) in a matched manner with the groove (8).
2. A fire door according to claim 1, wherein: the opening and closing mechanism (7) comprises a limiting seat (74), a first sliding groove (75), a first sliding seat (77), a bent rod (78) and a sealing plate (79), wherein the limiting seat (74) is arranged at the upper end of the front surface of the galvanized steel sheet (2), the first sliding seat (77) is connected in a sliding manner in the first sliding groove (75) formed in the inclined surface of the limiting seat (74), the sealing plate (79) is arranged on the upper surface of the first sliding seat (77) through the bent rod (78), and the sealing plate (79) is mounted in a matched mode with the groove (8).
3. A fire door according to claim 2, wherein: the opening and closing mechanism (7) further comprises a fixing seat (71), a connecting rod (72), an electric push rod (73) and a second sliding seat (76), wherein the fixing seat (71) is fixedly connected with the lower surface of the limiting seat (74) through the connecting rod (72) which is symmetrically distributed, the second sliding seat (76) is arranged on the upper surface of the fixing seat (71) through the electric push rod (73), the input end of the electric push rod (73) is electrically connected with the output end of the external control switch, and the second sliding groove formed in the lower surface of the first sliding seat (77) is in sliding connection with the second sliding seat (76).
4. A fire door according to claim 2, wherein: the inside of the groove (8) is contacted with the rear surface of the sealing plate (79) through a first flame-retardant sealing strip (10).
5. A fire door according to claim 1, wherein: a door closer (4) is arranged between the door frame (1) and the upper left corner of the galvanized steel sheet (2).
6. A fire door according to claim 1, wherein: rectangular-distributed conical grooves are formed in the middle of the inner wall of the door frame (1), conical flame-retardant sealing strips (15) are fixedly connected to the inner portions of the conical grooves through uniformly distributed telescopic columns (13) and springs (14), the springs (14) are movably sleeved with the outer ends of the adjacent telescopic columns (13), the conical flame-retardant sealing strips (15) are slidably connected with the conical grooves, and the inner sides of the conical flame-retardant sealing strips (15) are in contact with the outer side faces of the galvanized steel sheets (2).
7. A fire door according to claim 1, wherein: an observation window (3) is arranged at the upper end of the galvanized steel sheet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426844.3U CN220101105U (en) | 2023-06-06 | 2023-06-06 | Fire prevention division door for fire control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426844.3U CN220101105U (en) | 2023-06-06 | 2023-06-06 | Fire prevention division door for fire control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101105U true CN220101105U (en) | 2023-11-28 |
Family
ID=88871241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321426844.3U Active CN220101105U (en) | 2023-06-06 | 2023-06-06 | Fire prevention division door for fire control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101105U (en) |
-
2023
- 2023-06-06 CN CN202321426844.3U patent/CN220101105U/en active Active
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