CN115749550A - High-safety civil air defense engineering protective airtight door structure - Google Patents

Abstract

The invention relates to the technical field of civil air defense doors, in particular to a high-safety civil air defense engineering protective airtight door structure which comprises a civil air defense door main body, wherein a ventilation cavity is formed in the civil air defense door main body, a ventilation device for communicating the two annular cavities with a ventilation pipe is commonly arranged between the two annular cavities and the ventilation pipe, the bottom of the ventilation cavity is fixedly communicated with a first ventilation pipe, and the bottom of the first ventilation pipe is communicated with the ventilation pipe; the high-temperature communication device is arranged in the ventilation cavity and is used for enabling the ventilation cavity to be communicated with the first ventilation pipe and the second ventilation pipe when high temperature of fire occurs; this device passes through the setting of high temperature intercommunication device for when meetting conflagration high temperature, at the edge blowout carbon dioxide of people's air defense door main part, through the oxygen content in the blowout reduction air of carbon dioxide, thereby be favorable to preventing the intensity of a fire to stretch by the edge of people's air defense door main part, thereby be favorable to delaying the speed of stretching of the intensity of a fire.

Description

High-safety civil air defense engineering protective airtight door structure

Technical Field

The invention relates to the field of civil air defense doors, in particular to a high-safety civil air defense engineering protective airtight door structure.

Background

The civil air defense door is a door of an entrance and an exit of civil protection engineering, and the classification of the civil air defense door is more distinct, and the civil air defense door comprises various civil air defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, a movable door threshold single-leaf and double-leaf protective airtight doors and the like.

The prior art discloses the patent of invention in the aspect of some civil air defense engineering protective airtight doors, chinese patent with application number CN201910547920.8 discloses a civil air defense door, including locking subassembly and seal assembly, the locking subassembly is including shutting transmission shaft, the seal assembly is including seal beam elevating system transmission shaft, set up the synchronous drive subassembly between shutting transmission shaft and seal beam elevating system transmission shaft, be provided with the rack section on the shutting transmission shaft, the synchronous drive subassembly includes: the reversing speed changer comprises an input end and an output end, and the output end is connected with the transmission shaft of the sealing beam lifting mechanism; the sliding block is provided with a gear meshed with the rack section; the locking adjusting assembly is used for controlling the gear to rotate in a one-way mode; one end of the telescopic swinging rod is hinged to the sliding block, and the other end of the telescopic swinging rod is connected with the input end of the reversing speed changer.

Set up at the people's air defense door of access & exit, when the high building met the conflagration, need prevent through closing people's air defense door that the intensity of a fire from stretching along the access & exit and lead to the intensity of a fire to increase, however when people's air defense door was closed, because be difficult to totally enclosed between people's air defense door and the door frame to make when the intensity of a fire increases, the condition that the intensity of a fire stretched is passed and lead to the intensity of a fire to stretch along the marginal gap of people's air defense door easily, thereby leads to the intensity of a fire to stretch the evacuation that influences the people. Therefore, the invention provides a high-safety civil air defense engineering protective airtight door structure for solving the problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a high-safety civil air defense engineering protective airtight door structure.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a high-safety civil air defense engineering protective airtight door structure comprises a civil air defense door main body, wherein an inner cavity is formed in the civil air defense door main body, a vent pipe is fixed at the edge of the inner cavity, a fireproof interlayer is fixed above the interior of the civil air defense door main body, a gas tank is fixed below the interior of the civil air defense door main body, high-pressure compressed carbon dioxide gas is stored in the gas tank, and the gas tank and the fireproof interlayer are both positioned at the inner ring of the vent pipe;

a ventilation cavity is formed in the civil air defense door main body, annular cavities are formed in two sides of the ventilation pipe, the two annular cavities are formed in the civil air defense door main body, a ventilation device for communicating the two annular cavities with the ventilation pipe is commonly installed between the two annular cavities and the ventilation pipe, a first ventilation pipe is fixedly communicated with the bottom of the ventilation cavity, the bottom of the first ventilation pipe is communicated with the ventilation pipe, a second ventilation pipe is fixedly communicated with the top of the ventilation cavity, and one end of the second ventilation pipe, back to the ventilation cavity, is fixedly communicated with the gas tank;

the high-temperature communication device is arranged in the ventilation cavity and used for plugging the ventilation cavity in a normal use state, and the high-temperature communication device is used for enabling the ventilation cavity to communicate the first ventilation pipe and the second ventilation pipe when high temperature of fire occurs;

a gas pushing device is arranged in the gas box and used for pushing gas to have a tendency of flowing towards the interior of the ventilation cavity;

and a plurality of air outlet valves are embedded in the side wall of the annular cavity in a linear array manner.

Preferably, the gas pushing device comprises four first bulges, four second bulges, four first grooves, four second grooves and a pushing plate, wherein the four first bulges are fixedly communicated with four corners of one side of the gas box, the four second bulges are fixedly communicated with four corners of the other side of the gas box, the four first grooves are arranged on a side wall of the inner cavity, the four second grooves are arranged on a side wall of the inner cavity, the four first bulges are respectively inserted into the four second grooves, the four second bulges are respectively inserted into the four first grooves, the pushing plate is slidably arranged in the gas box, the pushing plate is fixedly communicated with four third bulges corresponding to the first bulges, the four third bulges are respectively fixedly provided with a first spring between the four second bulges, the first grooves are fixedly provided with vent holes between the adjacent second bulges, and one of the second grooves is fixedly provided with an unidirectional air inlet valve between the adjacent first bulges.

Preferably, the high-temperature communication device comprises a first fixing plate and a third groove, the first fixing plate is fixed in the ventilation cavity, a fourth spring is fixed at the bottom of the first fixing plate, a third rubber block is fixed at the bottom of the fourth spring, the third rubber block is in sliding contact with the inner wall of the ventilation cavity, a plastic wire is fixed at the top of the third rubber block, a second round hole is formed in the middle of the first fixing plate in a penetrating mode, the top of the plastic wire penetrates through the second round hole and then is fixedly connected with the top of the ventilation cavity, the third groove is formed in the bottom of the ventilation cavity, a second fixing plate is fixed in the third groove, the second fixing plate is located below the third rubber block, a high-temperature fusing mechanism is installed in the ventilation cavity and is used for fusing the plastic wire when a fire disaster occurs, and the high-temperature fusing mechanism is located above the first fixing plate.

Preferably, the high temperature fuse-link mechanism includes first heat conduction metal block, first heat conduction metal block cover is located the outer lane of plastics line, the both ends of first heat conduction metal block all run through extend away behind the lateral wall of people's air defense door main part and be fixed with second heat conduction metal block.

Preferably, the ventilation device comprises a box body, the box body is fixedly embedded in the civil air defense door main body, a second through groove is formed in the box body and the ventilation pipe in a penetrating mode, and a first through groove is formed in the box body and the two annular cavities in a penetrating and embedding mode.

Preferably, the inside sliding connection of box body has the sliding plate, the four sides of sliding plate with the inner wall sliding contact of box body, one side of sliding plate runs through extend away behind the lateral wall of box body, the one side that the sliding plate extended away is provided with the fillet, the inside sliding connection that the second led to the groove has the second block rubber, run through on the lateral wall of second block rubber and seted up first round hole, the inside of first round hole is inserted and is equipped with the third straight-bar, the one end of third straight-bar passes behind the second led to the groove with the lateral wall fixed connection of breather pipe, the lateral wall of breather pipe with common fixed connection has the third spring between the second block rubber, the sliding plate towards one side symmetry of second block rubber is fixed with the fourth straight-bar, the tip of two fourth straight-bars all with the second block rubber offsets, all install between sliding plate and two the annular chamber and promote the intercommunication mechanism, promote the intercommunication mechanism be used for when the sliding plate receives the promotion extrusion the box body with the annular chamber.

Preferably, the pushing and communicating mechanism comprises a first rubber block and two second straight bars, the first rubber block is connected inside the first through groove in a sliding mode, the first rubber block faces one side of the annular cavity and is fixedly provided with the first straight bar, an insertion groove corresponding to the first straight bar is formed in the side wall of the annular cavity, the first straight bar is inserted into the insertion groove in a sliding mode, second springs are sleeved on the outer rings of all the first straight bars, one end of each second spring is fixedly connected with the first rubber block, the other end of each second spring is fixedly connected with the side wall of the annular cavity, the two second straight bars are symmetrically fixed on the side wall of the sliding plate, and the end portions of the two second straight bars are abutted against the side wall of the first rubber block.

Preferably, third through grooves are symmetrically formed in the side walls of the two annular cavities, the same two third through grooves in the annular cavities are respectively located at the upper end and the lower end of the box body, heat conducting water tanks are fixed inside all the third through grooves, clear water is contained inside all the heat conducting water tanks, fixing pipes are fixedly embedded in all the heat conducting water tanks towards one sides of the annular cavities, elastic air bags are fixedly communicated with all the fixing pipes towards one sides of the annular cavities, the elastic air bags are located inside the annular cavities, heat conducting mechanisms are installed between the two heat conducting water tanks located on the same side and the side walls of the civil air defense door main body far away from the heat conducting water tanks and are used for conducting heat of the civil air defense door main body facing away from one sides of the heat conducting water tanks to the heat conducting water tanks.

Preferably, the heat conducting mechanism comprises a third heat conducting metal block, the third heat conducting metal block is fixed on the side wall of the civil air defense door main body, two sets of heat conducting metal rods are symmetrically fixed on one side of the heat conducting water tank towards the third heat conducting metal block, two sets of heat conducting metal rods are far away from one end of the third heat conducting metal block and are jointly fixed with a heat conducting metal plate, the heat conducting metal plate is fixedly connected with the adjacent heat conducting water tank, a plurality of heat conducting rods are fixed on one side of the heat conducting metal plate towards the heat conducting water tank in a linear array mode, and all the heat conducting rods penetrate through the adjacent side wall of the heat conducting water tank and then extend to the inside of the heat conducting water tank.

Preferably, the side walls of all the heat conduction water tanks are fixed with fifth springs, all the fifth springs penetrate through the fixing pipes and extend into the elastic air bags, one ends of all the fifth springs, which are located inside the elastic air bags, are fixed with circular plates, and the circular plates are abutted against the openings of the fixing pipes.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the arrangement of the high-temperature communication device, when high temperature of fire occurs, the high-temperature communication device can be communicated with the first vent pipe and the second vent pipe, so that the gas box is communicated with the interior of the vent pipes, gas can enter the interior of the vent pipes from the interior of the gas box, then the gas enters the interior of the annular cavity through the ventilation device and is sprayed out from the gas outlet valve along the interior of the annular cavity, and carbon dioxide can be sprayed out from two sides of the civil air defense door main body, so that no matter which side of the civil air door main body the fire starts to spread, the civil air door main body can spray carbon dioxide to the fire, carbon dioxide is sprayed out from the edge of the civil air door main body, oxygen content in air is reduced through the spraying of the carbon dioxide, the fire is prevented from spreading from the edge of the civil air door main body, and the spreading speed of the fire is delayed.

2. According to the invention, through the arrangement of the high-temperature communication device and the high-temperature fusing mechanism, when high temperature of a fire disaster occurs, the high-temperature fusing mechanism fuses the plastic wire, so that the first vent pipe can be communicated with the second vent pipe to enable gas to be communicated and pass through, and when the fire disaster does not occur, the plastic wire can pull the third rubber block to seal the inside of the vent cavity, so that gas cannot enter the inside of the third groove through the vent cavity, and the communication of the gas is blocked.

3. According to the invention, through the arrangement of the sliding plate, when the main body of the civil air defense door is not closed, the communication mechanism is pushed to be positioned in the first through groove to form a barrier, the second rubber block is positioned in the second through groove to form a barrier, so that gas can not be sprayed out when the main body of the civil air defense door is closed, the interior of the box body is communicated with the interior of the annular cavity, so that the annular cavity is communicated with the interior of the vent pipe, so that the gas is communicated, and the carbon dioxide gas can be sprayed out only when the main body of the civil air defense door is closed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the present invention after a first overall cross-section;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 2;

FIG. 5 is a schematic structural view of the present invention taken in a second overall cross-section;

FIG. 6 is an enlarged view of a portion of the structure of FIG. 5 at C;

FIG. 7 is a schematic structural view of a third overall cross-section of the present invention;

FIG. 8 is an enlarged view of a portion of the structure of FIG. 7 at D in accordance with the present invention;

FIG. 9 is an enlarged view of a portion of the structure of FIG. 8 at E in accordance with the present invention;

FIG. 10 is a schematic view of a fourth overall cross-section of the present invention;

FIG. 11 is an enlarged view of a portion of FIG. 10 at F in accordance with the teachings of the present invention;

FIG. 12 is a schematic view of a fifth embodiment of the present invention taken in cross section;

FIG. 13 is an enlarged view of a portion of the structure of FIG. 12 at G in accordance with the present invention;

FIG. 14 is a schematic view of a sixth embodiment of the present invention taken in cross-section;

FIG. 15 is an enlarged, fragmentary, schematic structural view taken at H in FIG. 13 in accordance with the present invention;

FIG. 16 is a schematic view of a seventh embodiment of the present invention taken in cross-section;

FIG. 17 is an enlarged view of a portion of FIG. 16 at I;

FIG. 18 is a schematic view showing a structure of a connection between a heat-conductive metal plate and a heat-conductive metal rod according to the present invention;

fig. 19 is a partially enlarged view of J in fig. 18 according to the present invention.

In the figure: 1. a civil air defense door main body; 2. an inner cavity; 3. a fire barrier; 4. a gas box; 401. a first protrusion; 402. a second protrusion; 501. a first groove; 502. a second groove; 6. a push plate; 601. a third protrusion; 7. a first spring; 8. a vent hole; 9. a one-way intake valve; 10. a breather pipe; 11. an annular cavity; 12. an air outlet valve; 13. a box body; 14. a sliding plate; 15. a first rubber block; 16. a first straight rod; 17. inserting grooves; 18. a second spring; 19. a second straight rod; 20. a first through groove; 21. a second through groove; 22. a third straight rod; 23. a third spring; 24. a second rubber block; 25. a first circular hole; 26. a fourth straight rod; 27. a vent lumen; 28. a first fixing plate; 29. a plastic wire; 30. a fourth spring; 31. a third rubber block; 32. a third groove; 33. a second fixing plate; 34. a first vent pipe; 35. a second circular hole; 36. a second vent pipe; 37. a first heat conductive metal block; 38. a second heat-conductive metal block; 39. a third through groove; 40. a heat conducting water tank; 41. an elastic air bag; 42. fixing the tube; 43. a third heat-conducting metal block; 44. a fifth spring; 45. a circular plate; 46. a heat conducting rod; 47. a heat conductive metal plate; 48. a thermally conductive metal rod.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1 to 19, the high-safety civil air defense engineering protective airtight door structure comprises a civil air defense door main body 1, an inner cavity 2 is arranged inside the civil air defense door main body 1, a vent pipe 10 is fixed at the edge of the inner cavity 2, a fireproof interlayer 3 is fixed above the inside of the civil air defense door main body 1, a gas tank 4 is fixed below the inside of the civil air defense door main body 1, high-pressure compressed carbon dioxide gas is stored inside the gas tank 4, and the gas tank 4 and the fireproof interlayer 3 are both positioned at the inner ring of the vent pipe 10;

the interior of the civil air defense door main body 1 is provided with a ventilation cavity 27, two sides of the ventilation pipe 10 are respectively provided with the annular cavities 11, the two annular cavities 11 are respectively arranged in the civil air defense door main body 1, a ventilation device for communicating the two annular cavities 11 with the ventilation pipe 10 is commonly arranged between the two annular cavities 11, the bottom of the ventilation cavity 27 is fixedly communicated with a first ventilation pipe 34, the bottom of the first ventilation pipe 34 is communicated with the ventilation pipe 10, the top of the ventilation cavity 27 is fixedly communicated with a second ventilation pipe 36, and one end of the second ventilation pipe 36, which is back to the ventilation cavity 27, is fixedly communicated with the gas tank 4;

a high-temperature communication device is arranged in the ventilation cavity 27, and is used for plugging the ventilation cavity 27 in a normal use state, and enabling the ventilation cavity 27 to communicate the first ventilation pipe 34 and the second ventilation pipe 36 when high temperature occurs in a fire;

the inside of the gas box 4 is provided with a gas pushing device which is used for pushing the gas to have the tendency of flowing towards the inside of the ventilation cavity 27;

a plurality of air outlet valves 12 are embedded in the side wall of the annular cavity 11 in a linear array manner; when the fire-proof door works, the civil air defense door arranged at the entrance and the exit needs to be closed to prevent the fire from spreading along the entrance and the exit to cause the fire to increase when a high-rise building encounters a fire, however, when the civil air defense door is closed, because the civil air defense door and the doorframe are difficult to completely seal, when the fire is increased, a fire tongue easily passes through a gap at the edge of the civil air defense door to cause the situation that the fire spreads to influence the escape of people, the embodiment of the invention can solve the problems, the specific implementation mode is as follows, the civil air defense door main body 1 is made of fireproof heat-insulating materials, the civil air defense door main body 1 can close the entrance and the exit, the fireproof interlayer 3 and the gas tank 4 can be installed in the inner cavity 2, the fireproof interlayer 3 can play a role in preventing the spread of the fire, and the high-pressure carbon dioxide can be stored in the gas tank 4, the inside of the ventilation cavity 27 can be installed with a high temperature communicating device, the second ventilation pipe 36 can be communicated with the gas tank 4 and the ventilation cavity 27, the first ventilation pipe 34 can be communicated with the ventilation cavity 27 and the ventilation pipe 10, so that when high temperature of fire is met, the high temperature communicating device can be communicated with the first ventilation pipe 34 and the second ventilation pipe 36, so that the inside of the gas tank 4 and the ventilation pipe 10 are communicated, so that gas can enter the inside of the ventilation pipe 10 from the inside of the gas tank 4, then the gas enters the inside of the annular cavity 11 through the ventilation device, and is ejected from the gas outlet valve 12 along the inside of the annular cavity 11, so that carbon dioxide can be ejected from both sides of the civil air defense door main body 1, so that the civil air defense door main body 1 can eject carbon dioxide to the place of the fire no matter which side of the civil air defense door main body 1 the fire starts to spread, thereby being beneficial to eject carbon dioxide at the edge of the civil air defense door main body 1, the oxygen content in the air is reduced through the ejection of the carbon dioxide, so that the fire is prevented from spreading from the edge of the civil air defense door main body 1, and the spreading speed of the fire is delayed.

As an embodiment of the present invention, the gas pushing device includes four first protrusions 401, four second protrusions 402, four first grooves 501, four second grooves 502, and a pushing plate 6, the four first protrusions 401 are fixedly communicated with four corners of one side of the gas box 4, the four second protrusions 402 are fixedly communicated with four corners of the other side of the gas box 4, the four first grooves 501 are disposed on a side wall of the inner cavity 2, the four second grooves 502 are disposed on a side wall of the inner cavity 2, the four first protrusions 401 are respectively inserted into the four second grooves 502, the four second protrusions 402 are respectively inserted into the four first grooves 501, the pushing plate 6 is slidably mounted inside the gas box 4, the pushing plate 6 is fixedly communicated with four third protrusions 601 corresponding to the first protrusions 401, the four third protrusions 601 are respectively and fixedly provided with a first spring 7 between the four second protrusions 402, the first grooves 501 and the adjacent second protrusions 402 are fixedly provided with a vent hole 8, wherein a one-way air inlet valve 401 is commonly embedded between one second protrusion 502 and the adjacent first protrusion 402; during operation, the one-way air inlet valve 9 can inject carbon dioxide into the gas box 4, thereby being beneficial to preventing the carbon dioxide gas of the civil air defense door from overflowing to reduce the amount of the carbon dioxide in the gas box 4 in the long-term use process, the inside of the first groove 501 can provide a yielding space for the second protrusion 402, the inside of the second groove 502 can provide a yielding space for the first protrusion 401, the space formed between the second protrusion 402 and the third protrusion 601 can be used for installing the first spring 7, the first spring 7 can push the pushing plate 6 through the elastic force of the first spring 7, thereby pushing the pushing plate 6 to slide in the gas box 4, thereby enabling the high-pressure carbon dioxide gas stored in the gas box 4 to have the discharge trend along the second vent pipe 36, the first protrusion 401 can provide a yielding space for the third protrusion 601 when the pushing plate 6 moves close to, the vent hole 8 can be communicated with the outside and the inside of the gas box 4, thereby enabling the pushing plate 6 to be pushed, one side of the pushing plate 6 facing the second protrusion 402 can keep the air pressure balance through the communication with the outside, thereby enabling the pushing plate 6 to be pushed smoothly and the gas to be ejected out.

As an embodiment of the present invention, the high temperature communication device includes a first fixing plate 28 and a third groove 32, the first fixing plate 28 is fixed inside the ventilation cavity 27, a fourth spring 30 is fixed at the bottom of the first fixing plate 28, a third rubber block 31 is fixed at the bottom of the fourth spring 30, the third rubber block 31 is in sliding contact with the inner wall of the ventilation cavity 27, a plastic wire 29 is fixed at the top of the third rubber block 31, a second round hole 35 is formed in the middle of the first fixing plate 28, the top of the plastic wire 29 passes through the second round hole 35 and then is fixedly connected with the top of the ventilation cavity 27, the third groove 32 is formed at the bottom of the ventilation cavity 27, a second fixing plate 33 is fixed inside the third groove 32, the second fixing plate 33 is located below the third rubber block 31, a high temperature fusing mechanism is installed inside the ventilation cavity 27, the high temperature fusing mechanism is used for fusing the plastic wire 29 when high temperature of a fire occurs, and the high temperature fusing mechanism is located above the first fixing plate 28; in operation, when high temperature occurs in a fire, the plastic wire 29 is fused by the high temperature fusing mechanism at high temperature, so that after the plastic wire 29 is fused, the third rubber block 31 is pushed downwards under the elastic force of the fourth spring 30, the first fixing plate 28 can fixedly mount the fourth spring 30, the second round hole 35 can communicate with the upper and lower sides of the first fixing plate 28, the third rubber block 31 is pushed downwards and then descends to the inside of the third groove 32, the second fixing plate 33 supports the descending third rubber block 31, after the third rubber block 31 descends to the inside of the third groove 32, so that the third rubber block 31 can communicate with the first vent pipe 34 through the edge of the third groove 32, so that when high temperature occurs in a fire, the first vent pipe 34 can communicate with the second vent pipe 36 to enable gas to pass through, when no fire occurs, the plastic wire 29 can pull the third rubber block 31, so that the third rubber block 31 is located inside the vent cavity 27, even if the upper end of the vent cavity 27 communicates with the inside of the gas box 4, the plastic wire 29 cannot be pulled to enable the gas to enter the interior of the vent cavity 27, and the third rubber block 31 cannot be pulled to enter the vent cavity 27, thereby preventing the plastic wire from passing through the interior of the vent cavity from being pulled, and the plastic wire from being pulled, thereby preventing the plastic wire from entering the interior of the plastic wire from being blocked by the plastic wire from passing through the interior of the plastic wire 27.

As an embodiment of the present invention, the high-temperature fusing mechanism includes a first heat-conducting metal block 37, the first heat-conducting metal block 37 is sleeved on the outer ring of the plastic wire 29, and both ends of the first heat-conducting metal block 37 extend out after penetrating through the side wall of the civil air defense door main body 1 to fix a second heat-conducting metal block 38; during operation, second heat conduction metal block 38 is the effectual metal of heat conduction, and the temperature risees fast when meetting conflagration high temperature, and second heat conduction metal block 38 conducts the heat to first heat conduction metal block 37 department, makes first heat conduction metal block 37 temperature rise fast, thereby makes first heat conduction metal block 37 of high temperature fuse to plastic wire 29, thereby makes when meetting conflagration high temperature, thereby plastic wire 29 can be fused so that ventilate chamber 27 and the inside intercommunication of third recess 32.

As an embodiment of the invention, the ventilation device comprises a box body 13, the box body 13 is fixedly embedded in the civil air defense door main body 1, a second through groove 21 is formed between the box body 13 and the ventilation pipe 10 in a penetrating manner, and a first through groove 20 is formed between the side wall of the box body 13 and the two annular cavities 11 in a penetrating manner; during operation, box body 13 can be linked together through the inside of first logical groove 20 with annular chamber 11, and be linked together through the inside of second logical groove 21 with breather pipe 10, thereby make annular chamber 11 be linked together with the inside of breather pipe 10, make carbon dioxide gas can get into the inside of two annular chambers 11 through breather pipe 10, make gas can be spout by the both sides of people's air defense door main part 1, thereby be favorable to homoenergetic carbon dioxide gas when the both sides of people's air defense door main part 1 meet the conflagration, thereby be favorable to improving the security performance of people's air defense door main part 1.

As an embodiment of the present invention, a sliding plate 14 is slidably connected inside the box body 13, four sides of the sliding plate 14 are in sliding contact with an inner wall of the box body 13, one side of the sliding plate 14 penetrates through a side wall of the box body 13 and then extends out, a round angle is arranged on the side where the sliding plate 14 extends out, a second rubber block 24 is slidably connected inside the second through groove 21, a first round hole 25 is formed in a side wall of the second rubber block 24 in a penetrating manner, a third straight rod 22 is inserted inside the first round hole 25, one end of the third straight rod 22 penetrates through the second through groove 21 and then is fixedly connected with a side wall of the vent pipe 10, a third spring 23 is fixedly connected between the side wall of the vent pipe 10 and the second rubber block 24 together, fourth straight rods 26 are symmetrically fixed on one side of the sliding plate 14 facing the second rubber block 24, end portions of the two fourth straight rods 26 are both abutted against the second rubber block 24, a push communication mechanism is installed between the sliding plate 14 and the two annular cavities 11, and the push communication mechanism is used for communicating the box bodies 13 and 11 when the sliding plate 14 is pushed and extruded; when the civil air defense door is in operation, when the civil air defense door main body 1 is not closed, the spraying of the carbon dioxide cannot inhibit fire, and meanwhile, the sprayed carbon dioxide can aggravate the reduction of the oxygen content in the air, so that the breathing of people for evacuation is influenced, the embodiment of the invention can solve the above problems, in the specific implementation mode, when the civil air defense door main body 1 is closed, the civil air defense door main body 1 drives the sliding plate 14 inside the box body 13 to move, the sliding plate 14 is extruded towards the round corner on one side of the door frame, so that the sliding plate 14 slides towards the inside of the box body 13 after being extruded and pushed, the sliding plate 14 pushes the fourth straight rod 26 after moving, so that the fourth straight rod 26 pushes the second rubber block 24 to move, the second rubber block 24 pushes the third spring 23 to extrude after the second rubber block 24 moves, meanwhile, the third straight rod 22 passes through the first round hole 25 after the second rubber block 24 moves, so that the second rubber block 24 passes through the second through groove 21 to enter the inside of the vent pipe 10 after moving, so that the inside of the box body 13 is communicated with the inside of the vent pipe 10, and the second through groove 21 is formed, so that the gas can not be communicated with the through the second through groove 21, so that the gas spraying of the through groove is blocked, so that the gas can not be blocked when the gas blocking through the second through groove 1, so that the gas blocking through groove 21 can be blocked and the gas blocking through the gas blocking mechanism can be blocked inside of the gas blocking ring cavity 21, so that the gas blocking through groove 20 can be blocked inside of the civil air vent pipe 1.

As an embodiment of the present invention, the pushing and communicating mechanism includes a first rubber block 15 and two second straight bars 19, the first rubber block 15 is slidably connected inside a first through groove 20, a first straight bar 16 is fixed on one side of the first rubber block 15 facing the annular cavity 11, an insertion groove 17 corresponding to the first straight bar 16 is formed on a side wall of the annular cavity 11, the first straight bar 16 is slidably inserted inside the insertion groove 17, second springs 18 are sleeved on outer rings of all the first straight bars 16, one end of each second spring 18 is fixedly connected with the first rubber block 15, the other end of each second spring 18 is fixedly connected with a side wall of the annular cavity 11, the two second straight bars 19 are symmetrically fixed on side walls of the sliding plates 14, and end portions of the two second straight bars 19 are abutted against side walls of the first rubber block 15; during operation, when the sliding plate 14 is pushed by extrusion, the sliding plate 14 pushes the second straight rod 19 to move, the second straight rod 19 pushes the first rubber block 15 to move after moving, the first rubber block 15 pushes the second spring 18 to compress after moving, and meanwhile, the first rubber block 15 moves to push the first straight rod 16 to move towards the inside of the insertion groove 17 in an insertion manner, so that the first rubber block 15 moves out of the inside of the first through groove 20 after moving, and the annular cavity 11 is communicated with the inside of the box body 13.

As an embodiment of the invention, third through grooves 39 are symmetrically formed in the side walls of two annular cavities 11, the two third through grooves 39 on the same annular cavity 11 are respectively located at the upper end and the lower end of the box body 13, heat conducting water tanks 40 are fixed inside all the third through grooves 39, clear water is contained inside all the heat conducting water tanks 40, fixing pipes 42 are fixedly embedded in one sides of all the heat conducting water tanks 40 facing the annular cavity 11, elastic air bags 41 are fixedly communicated with one sides of all the fixing pipes 42 facing the annular cavity 11, the elastic air bags 41 are located inside the annular cavity 11, a heat conducting mechanism is installed between two heat conducting water tanks 40 located on the same side and the side wall of the civil air defense door main body 1 far away from the heat conducting water tanks 40, and the heat conducting mechanism is used for conducting heat of one side of the civil air defense door main body 1 back facing the heat conducting water tanks 40 to the heat conducting water tanks 40; in operation, when the fire door is closed, one side has a fire, the other side has no fire, and if the side without fire continuously sprays carbon dioxide, on one hand, carbon dioxide is sprayed from two sides, so that the amount of carbon dioxide sprayed from the side with fire is reduced, on the other hand, the carbon dioxide sprayed from the side without fire reduces the oxygen content in the air of the side without fire, thereby affecting the respiration of people to evacuate people, thereby affecting the evacuation of people.

As an embodiment of the present invention, the heat conducting mechanism includes a third heat conducting metal block 43, the third heat conducting metal block 43 is fixed on the sidewall of the civil air defense door main body 1, two sets of heat conducting metal rods 48 are symmetrically fixed on one side of the third heat conducting metal block 43 facing the heat conducting water tank 40, one ends of the two sets of heat conducting metal rods 48 far away from the third heat conducting metal block 43 are both fixed with a heat conducting metal plate 47, the heat conducting metal plate 47 is fixedly connected with the adjacent heat conducting water tank 40, a plurality of heat conducting rods 46 are fixed in a linear array on one side of the heat conducting metal plate 47 facing the heat conducting water tank 40, and all the heat conducting rods 46 extend into the heat conducting water tank 40 after penetrating through the sidewall of the adjacent heat conducting water tank 40; in operation, under the area of the heat conduction water tank 40, after a fire occurs, it is difficult to heat and evaporate water inside the heat conduction water tank 40 in time, and this embodiment of the present invention can solve the above problems, and the specific implementation manner is as follows, when a fire spreads to the fire protection door main body 1, the temperature of the third heat conduction metal block 43 rises, and then the heat is conducted to the heat conduction metal rod 48 and the heat conduction metal plate 47, and the heat conduction water tank 40 is heated after the temperature of the heat conduction metal plate 47 rises, and the heat conduction metal plate 47 conducts heat to the heat conduction rod 46, and the heat conduction rod 46 is located inside the heat conduction water tank 40, and the contact surface with water increases, thereby facilitating rapid heating and evaporation of water inside the heat conduction water tank 40, and rapid heating of water, and rapid generation of water after heating.

As an embodiment of the present invention, fifth springs 44 are fixed on the side walls of all the heat conducting water tanks 40, all the fifth springs 44 extend into the elastic air bag 41 after penetrating through the fixed pipe 42, a circular plate 45 is fixed at one end of all the fifth springs 44 located inside the elastic air bag 41, and the circular plate 45 abuts against the opening of the fixed pipe 42; in operation, when a fire does not occur, water contained in the heat conducting water tank 40 easily enters the elastic airbag 41 due to shaking when the fire protection door is opened and closed, so that when a fire occurs, the water entering the elastic airbag 41 is difficult to be heated and evaporated by heating of the heat conducting water tank 40, and the specific embodiment of the present invention is that, when a fire does not occur, no heat is generated, the fifth spring 44 generates a pulling force on the circular plate 45, so that the circular plate 45 abuts against the connecting opening of the fixed tube 42 and the elastic airbag 41 after being pulled, so that the circular plate 45 blocks the fixed tube 42, water cannot flow into the elastic airbag 41 from the inside of the heat conducting water tank 40, after the water in the heat conducting water tank 40 is heated and evaporated to form water vapor, the pressure inside the heat conducting water tank 40 is gradually increased after the water vapor amount is gradually increased, so that the circular plate 45 is pushed by the pressure and then exposed out of the connecting opening of the fixed tube 42 and the elastic airbag 41, so that the water enters the elastic airbag 41, and therefore, when a fire does not occur, the water contained in the heat conducting water tank 40 is easily enters the opening of the fire protection door.

The working principle of the invention is as follows: the embodiment of the invention can solve the above problems, in the following, the civil air defense door is characterized in that the civil air defense door is provided with a fire door at an entrance, when a fire disaster occurs in a high-rise building, the fire disaster is prevented from spreading along the entrance to cause the fire disaster to grow by closing the civil air defense door, when the civil air defense door is closed, the fire tongue easily passes through a gap at the edge of the civil air defense door to cause the fire disaster to spread, thereby causing the fire disaster to affect the evacuation of people, the embodiment of the invention can solve the problems, in the following, the civil air defense door main body 1 can close the entrance, the inner part of the inner cavity 2 can install the fire prevention interlayer 3 and the gas box 4, the fire prevention interlayer 3 can play a role in preventing the fire disaster from spreading, the inner part of the gas box 4 can store high-pressure carbon dioxide, the inner part of the ventilation cavity 27 can install a high-temperature communication device, the second ventilation pipe 36 can communicate the gas box 4 and the ventilation cavity 27, the first ventilation pipe 34 can communicate the ventilation cavity 27 with the ventilation pipe 10, thereby enabling the high-temperature communication device to communicate with the first ventilation pipe 34 and the second ventilation pipe 36, thereby enabling the gas box 4 to enter the annular cavity 11 through the annular cavity 11, and the carbon dioxide cavity 12, thereby facilitating the carbon dioxide gas box to be sprayed out from the annular cavity 12, and the carbon dioxide gas box 4, and the carbon dioxide gas box 12, thereby facilitating the carbon dioxide gas to be sprayed out from the annular cavity 1, and the carbon dioxide gas box from the annular cavity 12, thereby being beneficial to preventing the fire from spreading from the edge of the civil air defense door main body 1, and being beneficial to delaying the spreading speed of the fire.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims (10)

1. The high-safety civil air defense engineering protective airtight door structure comprises a civil air defense door main body (1) and is characterized in that an inner cavity (2) is formed in the civil air defense door main body (1), a vent pipe (10) is fixed at the edge of the inner cavity (2), a fireproof interlayer (3) is fixed above the inner part of the civil air defense door main body (1), a gas tank (4) is fixed below the inner part of the civil air defense door main body (1), high-pressure compressed carbon dioxide gas is stored in the gas tank (4), and the gas tank (4) and the fireproof interlayer (3) are both positioned at the inner ring of the vent pipe (10);

a ventilation cavity (27) is formed in the civil air defense door main body (1), annular cavities (11) are arranged on two sides of the vent pipe (10), the two annular cavities (11) are arranged in the civil air defense door main body (1), a ventilation device for communicating the two annular cavities (11) with the vent pipe (10) is commonly arranged between the two annular cavities (11) and the vent pipe (10), a first vent pipe (34) is fixedly communicated with the bottom of the ventilation cavity (27), the bottom of the first vent pipe (34) is communicated with the vent pipe (10), a second vent pipe (36) is fixedly communicated with the top of the ventilation cavity (27), and one end, back to the ventilation cavity (27), of the second vent pipe (36) is fixedly communicated with the gas tank (4);

a high-temperature communication device is arranged in the ventilation cavity (27), and is used for plugging the ventilation cavity (27) in a normal use state, and enabling the ventilation cavity (27) to communicate the first ventilation pipe (34) and the second ventilation pipe (36) when high temperature of fire occurs;

the inside of the gas box (4) is equipped with a gas pushing device for pushing the gas to have the tendency of flowing towards the inside of the ventilation cavity (27);

a plurality of air outlet valves (12) are embedded in the side wall of the annular cavity (11) in a linear array manner.

2. The civil air defense engineering protective airtight door structure with high safety as claimed in claim 1, wherein the gas pushing device comprises four first protrusions (401), four second protrusions (402), four first grooves (501), four second grooves (502) and a pushing plate (6), the four first protrusions (401) are fixedly communicated with four corners of one side of the gas tank (4), the four second protrusions (402) are fixedly communicated with four corners of the other side of the gas tank (4), the four first grooves (501) are arranged on a side wall of one side of the inner cavity (2), the four second grooves (502) are arranged on a side wall of the other side of the inner cavity (2), the four first protrusions (401) are respectively inserted into the four second grooves (502), the four second protrusions (402) are respectively inserted into the four first grooves (501), the pushing plate (6) is slidably mounted in the inner side of the gas tank (4), the pushing plate (6) is fixedly provided with four second protrusions (401), the four second protrusions (501) are respectively fixed with the first protrusions (401), the four second protrusions (601) are respectively and the third protrusions (601) are fixedly provided with a common through hole (601), the four second protrusions (601) and the third protrusions (601) are respectively fixed with the third protrusions (601), one of the second grooves (502) and the adjacent first protrusions (401) are fixedly embedded with a one-way air inlet valve (9) together.

3. The civil air defense engineering protective airtight door structure of high security according to claim 1, characterized in that, the high temperature connecting device includes a first fixing plate (28) and a third groove (32), the first fixing plate (28) is fixed inside the ventilation cavity (27), the bottom of the first fixing plate (28) is fixed with a fourth spring (30), the bottom of the fourth spring (30) is fixed with a third rubber block (31), the third rubber block (31) is in sliding contact with the inner wall of the ventilation cavity (27), the top of the third rubber block (31) is fixed with a plastic wire (29), a second round hole (35) is formed in the middle of the first fixing plate (28) in a penetrating manner, the top of the plastic wire (29) is fixedly connected with the top of the ventilation cavity (27) after passing through the second round hole (35), the third groove (32) is formed in the bottom of the ventilation cavity (27), a second fixing plate (33) is fixed inside the third groove (32), the second fixing plate (33) is located below the third round hole (27), and the high temperature fusing mechanism (29) is located above the high temperature fusing mechanism (29), and the high temperature fusing mechanism is located above the high temperature fusing mechanism (28).

4. The high-safety civil air-defense engineering protective airtight door structure according to claim 3, wherein the high-temperature fusing mechanism comprises a first heat-conducting metal block (37), the outer ring of the plastic wire (29) is sleeved with the first heat-conducting metal block (37), and both ends of the first heat-conducting metal block (37) penetrate through the side wall of the civil air-defense door main body (1) and extend out to be fixed with a second heat-conducting metal block (38).

5. The high-safety civil air-defense engineering protective airtight door structure according to claim 1, wherein the ventilation device comprises a box body (13), the box body (13) is fixedly embedded in the civil air-defense door main body (1), a second through groove (21) is formed between the box body (13) and the ventilation pipe (10) in a penetrating manner, and a first through groove (20) is formed between the side wall of the box body (13) and the two annular cavities (11) in a penetrating manner.

6. The high-safety civil air-defense engineering protective airtight door structure according to claim 5, wherein a sliding plate (14) is slidably connected to the inside of the box body (13), four sides of the sliding plate (14) are in sliding contact with the inner wall of the box body (13), one side of the sliding plate (14) extends out after penetrating through the side wall of the box body (13), one side of the sliding plate (14) extending out is provided with a round angle, the inside of the second through groove (21) is slidably connected with a second rubber block (24), a first round hole (25) is formed in the side wall of the second rubber block (24) in a penetrating manner, a third straight rod (22) is inserted into the first round hole (25), one end of the third straight rod (22) penetrates through the second through groove (21) and then is fixedly connected with the side wall of the vent pipe (10), a third spring (23) is fixedly connected between the side wall of the vent pipe (10) and the second rubber block (24) together, a fourth straight rod (26) is symmetrically fixed on one side of the sliding plate (14) facing the second rubber block (24), the end parts of the two fourth straight rods (26) are abutted to the second rubber block (24), a pushing communication mechanism is arranged between the sliding plate (14) and the two annular cavities (11), and the pushing communication mechanism is used for communicating the box body (13) with the annular cavities (13), (23) and (11) when the sliding plate (14) is pushed and extruded 11).

7. The high-safety civil air defense engineering protective airtight door structure according to claim 6, wherein the pushing and communicating mechanism comprises a first rubber block (15) and two second straight bars (19), the first rubber block (15) is slidably connected inside the first through groove (20), a first straight bar (16) is fixed on one side of the first rubber block (15) facing the annular cavity (11), an insertion groove (17) corresponding to the first straight bar (16) is formed in the side wall of the annular cavity (11), the first straight bar (16) is slidably inserted inside the insertion groove (17), second springs (18) are sleeved on the outer rings of all the first straight bars (16), one end of each second spring (18) is fixedly connected with the first rubber block (15), the other end of each second spring (18) is fixedly connected with the side wall of the annular cavity (11), the two second straight bars (19) are symmetrically fixed on the side wall of the sliding plate (14), and the end portions of the two second straight bars (19) are abutted against the end portions of the first straight bars (15).

8. The high-safety civil air-defense engineering protective airtight door structure according to claim 7, characterized in that third through grooves (39) are symmetrically formed in the side walls of the two annular cavities (11), the two third through grooves (39) in the same annular cavity (11) are respectively located at the upper end and the lower end of the box body (13), a heat conducting water tank (40) is fixed inside all the third through grooves (39), clear water is contained inside all the heat conducting water tanks (40), a fixing pipe (42) is fixedly embedded in one side of all the heat conducting water tanks (40) facing the annular cavity (11), elastic air bags (41) are fixedly communicated with one side of all the fixing pipes (42) facing the annular cavity (11), the elastic air bags (41) are located inside the annular cavity (11), and a heat conducting mechanism is installed between the two heat conducting water tanks (40) on the same side and the side wall of the civil air-defense door body (1) far away from the heat conducting water tank (40) and used for conducting heat from the heat conducting water tank (40) to the back of the side of the civil air-defense door body (1).

9. The high-safety civil air defense engineering protective airtight door structure according to claim 8, wherein the heat conducting mechanism comprises a third heat conducting metal block (43), the third heat conducting metal block (43) is fixed on the side wall of the civil air defense door main body (1), two sets of heat conducting metal rods (48) are symmetrically fixed on one side of the third heat conducting metal block (43) facing the heat conducting water tank (40), one ends of the two sets of heat conducting metal rods (48) far away from the third heat conducting metal block (43) are both fixed with a heat conducting metal plate (47) together, the heat conducting metal plate (47) is fixedly connected with the adjacent heat conducting water tank (40), a plurality of heat conducting rods (46) are fixed on one side of the heat conducting metal plate (47) facing the heat conducting water tank (40) in a linear array manner, and all the heat conducting rods (46) extend to the inside of the heat conducting water tank (40) after penetrating through the side wall of the adjacent heat conducting water tank (40).

10. The high-safety civil air-defense engineering protective airtight door structure according to claim 9, wherein a fifth spring (44) is fixed on the side wall of all the heat conducting water tanks (40), all the fifth springs (44) extend to the inside of the elastic air bag (41) after penetrating through the fixed pipe (42), a circular plate (45) is fixed at one end of all the fifth springs (44) positioned in the elastic air bag (41), and the circular plate (45) abuts against the opening of the fixed pipe (42).

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