CN114737866B - Explosion-resistant impact structure and civil air defense door - Google Patents
Explosion-resistant impact structure and civil air defense door Download PDFInfo
- Publication number
- CN114737866B CN114737866B CN202210400295.6A CN202210400295A CN114737866B CN 114737866 B CN114737866 B CN 114737866B CN 202210400295 A CN202210400295 A CN 202210400295A CN 114737866 B CN114737866 B CN 114737866B
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- China
- Prior art keywords
- sliding
- plate
- door frame
- fixed
- door
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/12—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against air pressure, explosion, or gas
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/06—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with three or more sliding bars
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/10—Actuating mechanisms for bars
- E05C9/12—Actuating mechanisms for bars with rack and pinion mechanism
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/18—Details of fastening means or of fixed retaining means for the ends of bars
- E05C9/1825—Fastening means
- E05C9/1875—Fastening means performing pivoting movements
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/24—Means for transmitting movements between vertical and horizontal sliding bars, rods or cables for the fastening of wings, e.g. corner guides
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Wing Frames And Configurations (AREA)
Abstract
The invention discloses an anti-explosion impact structure and a civil air defense door, which belong to the technical field of civil air defense engineering, and comprise a door frame and a sliding door plate, wherein the sliding door plate is arranged in the door frame in a sliding way, a wall body is sleeved outside the door frame, one end of the door frame is rotationally connected with the wall body through a hinge, strong springs are fixedly connected to two sides of the inside of the door frame, when explosion occurs outside the wall body, the impact force of the explosion acts on the sliding door plate, the sliding door plate is pushed to compress the strong springs to slide in the door frame, the sliding door plate can push a counterpoint block to slide when sliding, the limiting plate is enabled to overturn to a position contacted with the door frame through serial transmission of a sliding rod, and when the sliding door plate is continuously driven to slide to be contacted with the limiting plate by the explosion impact, the limiting plate can effectively play a role of limiting the sliding door plate, so that the sliding door plate stops due to absorption of potential energy of the sliding door plate, and the strong springs push the sliding door plate to slide to reset when the explosion impact is finished.
Description
Technical Field
The invention relates to the technical field of civil air defense engineering, in particular to an explosion impact resistant structure and a civil air defense door.
Background
People's air defense is the measure and action taken by government mobilization and organization people to defend against the attack of enemy in the air and eliminate the aftersuffering. The civil air defense system is formed by the civil air defense system and the field air defense system, is an important component of modern national defense, is an important aspect of national economy and social development, is an important content of modern urban construction, is a social public utility which benefits the national and civilian, and is a door of a civil protection engineering entrance, and the civil air defense door is more vivid in classification and comprises a common single-leaf protective airtight door, a common double-leaf protective airtight door, a common movable threshold single-leaf protective airtight door, a common airtight door and various other various civil air defense devices.
When the existing civil air defense door is used for protecting against dangerous situations, the protection effect of the civil air defense door is that the civil air defense door is locked together with the locking structure on the wall body so as to protect the enclosed refuge space, but when an explosion or fire attack is encountered, the absorption effect of the civil air defense door on the explosion impact relative to the concrete wall body is not good enough, the impact generated by the explosion directly acts on the civil air defense door, so that the civil air defense door lacks the arrangement capable of absorbing the explosion impact when the explosion impact is experienced, and the problem that the civil air defense door is possibly separated from the wall body directly by the explosion impact exists.
Based on the above, the invention designs an explosion impact resistant structure and a civil air defense door to solve the problems.
Disclosure of Invention
The invention aims to provide an explosion impact resistant structure and a civil air defense door, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an anti explosion impact structure and people's air defense door, includes wall body and door frame, the one end of door frame is connected with the wall body rotation through the hinge, sliding connection has the sliding door board in the door frame, the inside both sides of door frame all fixedly connected with powerful spring, powerful spring and sliding door board fixed connection, the one end of door frame rotates and is connected with the rotation gear of a plurality of equidistance distributions, the one end of door frame slides and is provided with the rack, the rack is used for meshing with a plurality of rotation gear of a plurality of groups simultaneously, the one end of rotation gear is fixed with the locking lever of a plurality of equidistance distribution, the one end fixedly connected with draw-in groove board of wall body, the one end of door frame is fixed with the fixed plate, the outside both sides slip cap has the slide bar, the one end of slide bar rotates and is connected with the pendulum rod, the other end of pendulum rod rotates and is connected with the counterpoint piece, the one end of slide door board is fixed with the set of triangle, the chute that is used for laminating with the triangle-shaped bevel, the one end of wall body is fixed with the fixed cover, the fixed cover can peg graft with the slide bar; the inside sliding connection of fixed cover has the tooth post, the one end of wall body rotates and is connected with the gear pole, the one end of tooth post passes fixed cover and gear pole meshing, gear pole one side fixedly connected with limiting plate, the one end of fixed plate is provided with buffering damper, buffering damper is used for slowing down the impact force that the slip door plant caused the fixed plate at the inside slip of door frame when explosion impact.
As a further scheme of the invention, the buffering and damping mechanism comprises a fixed cylinder and a first sliding column, wherein the fixed cylinder is fixedly connected with one end of a fixed plate, the first sliding column is fixedly connected with the center of one end of a sliding door plate, one end of the first sliding column penetrates through the sliding door plate and is sleeved in the fixed cylinder, one end of the first sliding column is fixedly provided with a first sealing sleeve, the first sealing sleeve is used for being in sealing connection with the inner wall of the fixed cylinder, one end of the fixed cylinder is provided with an opening, the inside of the opening is rotationally connected with a baffle, one side of the baffle is fixedly provided with a torsion spring, the other end of the torsion spring is fixedly connected with the fixed cylinder, a plurality of ventilation pipes which are arranged at equal intervals are fixedly connected on the outer wall of the fixed cylinder, the fixed plate is close to the outer wall of the end of the sliding door plate, and the other end of the ventilation pipe penetrates through the fixed plate to be in butt joint with the air bags.
As a further scheme of the invention, one end of the fixing plate is fixedly provided with a second sliding column, the air bag is sleeved outside the second sliding column, one end of the second sliding column is fixedly connected with a second sealing sleeve, one end of the sliding door plate is provided with a cavity, the second sealing sleeve is arranged in the cavity in a sealing mode, the second sealing sleeve is internally provided with a one-way valve with an opening direction facing one end of the fixing plate, the interior of the sliding door plate is provided with a through hole, and one end of the through hole is communicated with the cavity.
As a further scheme of the invention, two groups of alignment blocks are arranged, two ends of each alignment block are respectively and rotatably connected with a swinging rod, the other ends of the swinging rods are respectively and rotatably connected with sliding rods, one end of the wall body is fixedly connected with four groups of fixing sleeves respectively corresponding to the four sliding rods, a reset spring is arranged in the upper end of the fixing sleeve above the door frame, the top end of the reset spring is fixedly connected with the upper end face of the wall body, the bottom end of the reset spring is fixedly connected with tooth columns in the fixing sleeve, and the reset spring is arranged in the bottom end of the fixing sleeve below the door frame.
As a further scheme of the invention, the outer wall of the sliding door plate can be completely attached to the inner wall of the door frame, and the outer wall of the sliding door plate is a smooth wall.
As a further scheme of the invention, the second sliding columns are provided with a plurality of groups, and the interiors of the plurality of groups of air bags are respectively sleeved with the corresponding second sliding columns.
As a further scheme of the invention, the inside of the door frame is provided with an aluminum alloy heat conducting plate which is used for conducting heat on the sliding door plate to the wall body.
As a further scheme of the invention, one end of the fixed plate is fixed with a plurality of groups of stop blocks, the sliding rod is arranged between one group of stop blocks in a sliding way, and the fixed plate is fixedly connected with the stop blocks in a welding way.
Compared with the prior art, the invention has the beneficial effects that:
1. when the exterior of a wall body generates explosion, the impact force of the explosion acts on the sliding door plate to push the sliding door plate to compress the powerful spring to slide in the door frame, the sliding door plate can push the alignment block to slide when sliding, the sliding door plate is driven to a series of limiting plates by the sliding rod to enable the limiting plates to overturn to a position contacting with the door frame, when the sliding door plate is continuously driven to slide to contact with the limiting plates by the explosion impact, the limiting plates can effectively play a role in limiting the sliding door plate, thereby the sliding door plate is stopped by absorbing the potential energy of the sliding door plate, the powerful spring pushes the sliding door plate to slide and reset when the explosion impact is ended, the door frame can be closed by the sliding fit of the door frame and the sliding door plate, the locking effect of the locking rod and the locking groove plate plays a role in isolating danger, when the explosion impact is met, the sliding door plate slides in the door frame, and the sliding potential energy of the sliding door plate is enabled to be absorbed by the limiting plates on the wall body, and the potential energy generated by the explosion impact can be effectively relieved, and the effect of resisting the explosion impact is played;
2. according to the invention, the buffering and damping mechanism is adopted, when the sliding door plate slides towards the inner side of the door frame under the explosion impact, air in the fixing cylinder is compressed into the air bag, so that the air bag is inflated and swelled, the sliding door plate can be contacted with the swelled air bag when continuously sliding, an effective buffering effect is achieved on the sliding door plate through the air bag, when the sliding door plate is pushed to reset by the powerful spring after the explosion impact is finished, the first sliding column moves reversely, the air inflated in the air bag returns to the inner side of the fixing cylinder again, and in order to avoid the problem that the air bag cannot be swelled completely due to air leakage when the first sealing sleeve cannot be completely sealed with the inner wall of the fixing cylinder to press the air in the fixing cylinder, the air bag can be sucked into the fixing cylinder through the baffle plate in the returning process of the first sealing sleeve, and thus the sliding door plate can effectively absorb potential energy of the sliding door plate when the sliding door plate slides in the door frame under the explosion impact, and the effective buffering effect is achieved on the sliding door plate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the front structure of the present invention;
FIG. 3 is a schematic view of the center cross-sectional structure of FIG. 1;
FIG. 4 is a schematic diagram of the structure at A in FIG. 3;
FIG. 5 is a schematic cross-sectional view of FIG. 3;
fig. 6 is a schematic diagram of the structure at B in fig. 5.
In the drawings, the list of components represented by the various numbers is as follows:
1. a lock lever; 2. a slot plate; 3. a door frame; 4. tooth columns; 5. a fixed sleeve; 6. a wall body; 7. a gear lever; 8. a limiting plate; 9. a slide bar; 10. a fixing plate; 11. sliding door panels; 12. a triangle; 13. an alignment block; 14. swing rod; 15. a fixed cylinder; 16. a vent pipe; 17. rotating the gear; 18. a rack; 19. a return spring; 20. a first sliding column; 21. a first gland; 22. a baffle; 23. a cavity; 24. a through hole; 25. a second gland; 26. a second sliding column; 27. a one-way valve; 28. an air bag; 29. and a strong spring.
Detailed Description
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an anti explosion impact structure and people's air defense door, includes wall body 6 and door frame 3, the one end of door frame 3 is connected with wall body 6 rotation through the hinge, sliding connection has slide door plant 11 in door frame 3, the inside both sides of door frame 3 all fixedly connected with powerful spring 29, powerful spring 29 is connected with slide door plant 11 fixedly, the one end of door frame 3 rotates and is connected with a plurality of equidistant rotation gear 17 that distribute, the one end of door frame 3 slides and is provided with rack 18, rack 18 is used for meshing with a plurality of sets of rotation gear 17 simultaneously, the one end of rotation gear 17 is fixed with a plurality of equidistant locking lever 1 that distributes, the one end fixedly connected with draw-in groove board 2 of wall body 6, the one end of door frame 3 is fixed with fixed plate 10, the outside both sides of fixed plate 10 all slide cup joint slide bar 9, the one end of slide bar 9 rotates and is connected with pendulum rod 14, the other end of pendulum rod 14 rotates and is connected with counterpoint piece 13, the one end of slide door plant 11 is fixed with gusset 12, the one end of counterpoint piece 13 is offered and is used for laminating with a plurality of sets of rotation gear 17, locking lever 5 is fixed with fixed sleeve 5 and can peg graft; the inside sliding connection of fixed cover 5 has tooth post 4, the one end of wall body 6 rotates and is connected with gear pole 7, the one end of tooth post 4 passes fixed cover 5 and meshes with gear pole 7, gear pole 7 one side fixedly connected with limiting plate 8, the one end of fixed plate 10 is provided with buffering damper, buffering damper is used for slowing down the impact force that sliding door plant 11 slides in door frame 3 inside and causes fixed plate 10 when explosion impact;
when the scheme is put into practical use, when a dangerous situation is met, people escape to the refuge space, the door frame 3 and the sliding door plate 11 are rotated to the inside of the wall body 6 through the hinge, the rotating lock rod 1 drives the rotating gear 17 to rotate, the rotating gear 17 drives the rack 18 to slide, the rack 18 acts on other lock rods 1 again, a plurality of groups of lock rods 1 synchronously rotate, after the lock rods 1 rotate to the inside of the clamping groove plate 2, the clamping groove plate 2 plays a limiting role on the lock rods 1, so that the door frame 3 is fixed in the inside of the wall body 6, and in this way, the door frame 3 is fixed in the inside of the wall body 6, the environments inside and outside the wall body 6 are separated, and an effective protection effect is achieved;
when the outside of the wall body 6 produces explosion, the impact force of the explosion can act on the sliding door plate 11, the sliding door plate 11 is pushed to compress the powerful spring 29 to slide in the door frame 3, the sliding door plate 11 slides along with the triangle 12 when sliding, the triangle 12 slides to push the alignment block 13 to slide along the inclined plane of the triangle 12, the alignment block 13 slides to push the sliding rod 9 through the turnover swing rod 14, the sliding rod 9 slides to the inside of the fixed sleeve 5 to push the tooth column 4 to rise, the tooth column 4 drives the gear rod 7 meshed on one side to rotate, the gear rod 7 rotates to enable the limiting plate 8 on one side to rotate downwards to be in contact with the outer wall of the door frame 3, when the sliding door plate 11 is continuously driven to slide by the explosion impact to be in contact with the limiting plate 8, the limiting plate 8 can effectively play a role on the sliding door plate 11, so that the potential energy of the sliding door plate 11 is absorbed, the powerful spring 29 pushes the sliding door plate 11 to slide and reset when the explosion impact is finished, the door frame 3 and the sliding door plate 11 slide to be matched with the sliding door plate 11 through the sliding door frame 3, when the situation is met, the door frame 3 can be closed, the explosion impact can be effectively relieved, the effect is relieved when the door plate 8 is isolated from the sliding door plate 3, and the explosion impact can be absorbed by the sliding door plate 8.
As a further scheme of the invention, the buffering and damping mechanism comprises a fixed cylinder 15 and a first sliding column 20, the fixed cylinder 15 is fixedly connected to one end of a fixed plate 10, the first sliding column 20 is fixedly connected to the center of one end of a sliding door plate 11, one end of the first sliding column 20 penetrates through the sliding door plate 11 and is sleeved in the fixed cylinder 15, one end of the first sliding column 20 is fixedly provided with a first sealing sleeve 21, the first sealing sleeve 21 is used for being in sealing connection with the inner wall of the fixed cylinder 15, one end of the fixed cylinder 15 is provided with an opening, the inside of the opening is rotatably connected with a baffle 22, one side of the baffle 22 is fixedly provided with a torsion spring, the other end of the torsion spring is fixedly connected with the fixed cylinder 15, a plurality of vent pipes 16 which are equidistantly arranged are fixedly connected to the outer wall of the fixed plate 15, a plurality of air bags 28 are fixedly arranged on the outer wall of the fixed plate 10 close to the end of the sliding door plate 11, and the other end of the vent pipes 16 penetrate through the fixed plate 10 and are in butt joint with the air bags 28;
when the sliding door plate 11 slides in the door frame 3 due to explosion impact, the sliding door plate 11 can push the first sliding column 20 to slide towards the inside of the fixed cylinder 15, air in the fixed cylinder 15 can be extruded into the inside of the vent pipe 16 due to the fact that the first sealing sleeve 21 is arranged in the inside of the fixed cylinder 15 in a sealing mode, the air is transmitted to each air bag 28 through the vent pipe 16, the air bags 28 are inflated to be swelled, the sliding door plate 11 can be contacted with the swelled air bags 28 during continuous sliding, an effective buffering effect is achieved on the sliding door plate 11 through the air bags 28, when the powerful spring 29 pushes the sliding door plate 11 to reset after the explosion impact, the first sliding column 20 moves reversely, gas filled in the air bags 28 returns to the inside of the fixed cylinder 15 again, and in order to avoid the problem that the air bags 28 cannot be swelled completely due to the fact that the first sealing sleeve 21 presses the inside of the fixed cylinder 15, in the process that the air bags 28 are completely swelled due to the fact, the air bags 22 can be sucked into the inside of the fixed cylinder 15 through the baffle 22 in the returning process of the first sealing sleeve 21, so that the sliding door plate 11 can be directly impacted by the air bags 11 when the sliding door plate 11 slides in the inside of the door frame 3, and the sliding door plate 11 can be effectively prevented from being impacted by the sliding door plate 11 when the door plate 11 is in the inside due to the fact that the powerful spring 29 is pushed to be in the sliding door plate 11.
As a further scheme of the present invention, a second sliding column 26 is fixed at one end of the fixing plate 10, the airbag 28 is sleeved outside the second sliding column 26, one end of the second sliding column 26 is fixedly connected with a second sealing sleeve 25, one end of the sliding door plate 11 is provided with a cavity 23, the second sealing sleeve 25 is arranged in the cavity 23 in a sealing manner, the second sealing sleeve 25 is internally provided with a one-way valve 27 with an opening direction facing one end of the fixing plate 10, the inside of the sliding door plate 11 is provided with a through hole 24, and one end of the through hole 24 is communicated with the cavity 23;
when the sliding door plate 11 slides towards the inner side of the door frame 3 due to explosion impact, the second sealing sleeve 25 slides towards the inner side of the cavity 23, the aperture of the through hole 24 is small, air in the cavity 23 cannot be completely discharged in the sliding process, the air in the cavity 23 can be discharged from the one-way valve 27, when the sliding door plate 11 is pushed back by the strong spring 29 after the explosion impact is finished, the one-way valve 27 cannot suck air, the second sealing sleeve 25 slides in the cavity 23, so that negative pressure is generated in the cavity 23 to suck air from the through hole 24, the second sealing sleeve 25 plays an adsorption role on the cavity 23 due to the small amount of sucked air, so that the sliding door plate 11 is slowly reset when being pushed by the strong spring 29, the strong spring 29 can be prevented from pushing the sliding door plate 11 to reset suddenly after the explosion impact is finished, the impact on the door frame 3 can be effectively avoided, the sliding door plate 11 can be buffered by matching with the air bag 28.
As a further scheme of the invention, two groups of alignment blocks 13 are arranged, two ends of each of the two groups of alignment blocks 13 are respectively and rotatably connected with a swinging rod 14, the other ends of the swinging rods 14 are respectively and rotatably connected with sliding rods 9, one end of each wall body 6 is fixedly connected with four groups of fixing sleeves 5 corresponding to the four sliding rods 9 respectively, a reset spring 19 is arranged in the upper end of each fixing sleeve 5 above the door frame 3, the top end of each reset spring 19 is fixedly connected with the upper end face of each wall body 6, the bottom end of each reset spring 19 is fixedly connected with a tooth column 4 in each fixing sleeve 5, and a reset spring 19 is arranged in the bottom end of each fixing sleeve 5 below the door frame 3;
above-mentioned scheme is when putting into actual use, four sets of slide bars 9 slide under the promotion of counterpoint piece 13 and insert inside the fixed cover 5 that corresponds, can be with the very firm fixed inside wall body 6 of door frame 3, avoid explosion impact directly to dash door frame 3 from wall body 6 inside, make counterpoint piece 13 after the reduction through reset spring 19, can push up tooth post 4 and move original initial position for limiting plate 8 also can reset, can conveniently open door frame 3 from wall body 6 inside after dangerous the ending like this.
As a further scheme of the invention, the outer wall of the sliding door plate 11 can be completely attached to the inner wall of the door frame 3, and the outer wall of the sliding door plate 11 is a smooth wall;
above-mentioned scheme is when putting into actual use, can not appear vibrations when the inside slip of door frame 3 with the slip door plant 11 of door frame 3 laminating completely, avoids slip door plant 11 to produce great wearing and tearing to door frame 3, improves life.
As a further solution of the present invention, the second sliding columns 26 are provided with a plurality of groups, and the interiors of the plurality of groups of the airbags 28 are respectively sleeved with the corresponding second sliding columns 26;
when the scheme is put into practical use, the plurality of groups of air bags 28 play a role in buffering the sliding door plate 11 from all directions, and the buffering effect on the sliding door plate 11 is better, so that the sliding door plate 11 can stably slide under stress until stopping.
As a further scheme of the invention, an aluminum alloy heat conducting plate is arranged in the door frame 3 and is used for conducting heat on the sliding door plate 11 to the wall 6;
when the scheme is put into practical use, the aluminum alloy heat-conducting plate can effectively absorb the temperature of the surface of the sliding door plate 11, which is raised by explosion impact, and conduct the temperature to the wall body 6 to reduce the temperature of the surface of the sliding door plate 11, so that the danger of overhigh temperature of the surface of the sliding door plate 11 is avoided.
As a further scheme of the invention, one end of the fixed plate 10 is fixed with a plurality of groups of stop blocks, the sliding rod 9 is arranged between one group of stop blocks in a sliding way, and the fixed plate 10 and the stop blocks are fixedly connected in a welding way;
when the scheme is put into practical use, the sliding rod 9 is limited by the baffle frame to slide in the vertical direction of the fixed plate 10 only and cannot slide in the horizontal position, so that the sliding rod 9 can play an effective transmission role.
Working principle: when a dangerous situation is met, people escape to a refuge space, the door frame 3 and the sliding door plate 11 are rotated to the inside of the wall body 6 through the hinge, the rotating lock rod 1 drives the rotating gear 17 to rotate, the rotating gear 17 drives the rack 18 to slide, the rack 18 acts on other lock rods 1 again, a plurality of groups of lock rods 1 synchronously rotate, after the lock rods 1 rotate to the inside of the clamping groove plate 2, the clamping groove plate 2 plays a limiting role on the lock rods 1, so that the door frame 3 is fixed in the inside of the wall body 6, and in such a way, the door frame 3 is fixed in the inside of the wall body 6, the environments inside and outside the wall body 6 are separated, and an effective protection effect is achieved;
when explosion occurs outside the wall 6, impact force of the explosion acts on the sliding door plate 11 to push the sliding door plate 11 to compress the powerful spring 29 to slide in the door frame 3, the triangular plate 12 slides along with the sliding door plate 11 when the sliding door plate 11 slides, the triangular plate 12 slides to push the alignment block 13 to slide along the inclined plane of the triangular plate 12, the alignment block 13 slides to push the sliding rod 9 through the turnover swing rod 14, the sliding rod 9 slides to the inner push tooth column 4 of the fixed sleeve 5 to rise, the tooth column 4 drives the gear rod 7 engaged on one side to rotate after rising, the gear rod 7 rotates to enable the limit plate 8 on one side to rotate downwards to be in contact with the outer wall of the door frame 3, and when the sliding door plate 11 is continuously driven to slide to be in contact with the limit plate 8 by the explosion impact, the limit plate 8 can effectively play a role in limiting the sliding door plate 11, so that potential energy of the sliding door plate 11 is absorbed to stop the sliding door plate 11;
when the sliding door plate 11 slides in the door frame 3 under the explosion impact, the sliding door plate 11 pushes the first sliding column 20 to slide in the fixed cylinder 15, because the first sealing sleeve 21 is arranged in the fixed cylinder 15 in a sealing way, air in the fixed cylinder 15 can be extruded into the vent pipe 16 and is transferred to each air bag 28 through the vent pipe 16, so that the air bags 28 are inflated and bulged, the sliding door plate 11 can be contacted with the bulged air bags 28 when continuously sliding, the air bags 28 play an effective role of buffering the sliding door plate 11, when the powerful spring 29 pushes the sliding door plate 11 to reset after the explosion impact is finished, the first sliding column 20 moves reversely, gas filled in the air bags 28 returns to the fixed cylinder 15 again, and meanwhile, when the sliding door plate 11 slides in the door frame 3 under the explosion impact, the second sealing sleeve 25 slides in the cavity 23, because the aperture of the through hole 24 is small, the air in the cavity 23 can not be completely discharged in the sliding process, the air in the cavity 23 can be discharged from the one-way valve 27, when the sliding door plate 11 is pushed back by the strong spring 29 after the explosion impact is finished, the one-way valve 27 can not suck the air, the second sealing sleeve 25 slides in the cavity 23 to enable negative pressure to be generated in the cavity 23 to suck the air from the through hole 24, the second sealing sleeve 25 plays an adsorption role on the cavity 23 due to the small amount of the sucked air, the sliding door plate 11 is slowly reset when being pushed by the strong spring 29, so that the strong spring 29 pushes the sliding door plate 11 to be reset suddenly after the explosion impact is finished, the impact on the door frame 3 caused by the inertia of the sliding door plate 11 can be effectively avoided, the strong spring 29 pushes the sliding door plate 11 to be reset in a sliding way when the explosion impact is finished, and the sliding door plate 11 is matched with the door frame 3, can close door frame 3 when meetting dangerous condition, play the effect of keeping apart danger through locking lever 1 and draw-in groove board 2, slide door plant 11 slides in the inside of door frame 3 to the slip through slide bar 9 to limiting plate 8 makes the slip potential energy of slide door plant 11, absorbed by limiting plate 8 on the wall body 6 can effectively alleviate the potential energy that the explosion produced, plays the effect of anti explosion impact.
Claims (8)
1. The utility model provides an anti explosion impact structure and people's air defense door, includes wall body (6) and door frame (3), the one end of door frame (3) is rotated through hinge and wall body (6) and is connected, its characterized in that: the door comprises a door frame (3), wherein a sliding door plate (11) is connected in a sliding manner, strong springs (29) are fixedly connected to two sides of the inside of the door frame (3), the strong springs (29) are fixedly connected with the sliding door plate (11), one end of the door frame (3) is rotationally connected with a plurality of groups of equidistant rotating gears (17), one end of the door frame (3) is slidably provided with racks (18), the racks (18) are used for being meshed with the plurality of groups of rotating gears (17) at the same time, one end of the rotating gears (17) is fixedly provided with a plurality of locking rods (1) which are equidistantly distributed, one end of a wall body (6) is fixedly connected with a clamping groove plate (2), one end of the door frame (3) is fixedly provided with a fixing plate (10), two sides of the outside of the fixing plate (10) are respectively and slidably sleeved with a sliding rod (9), one end of the sliding rod (9) is rotationally connected with a swinging rod (14), the other end of the swinging rod (14) is rotationally connected with a diagonal plate (13), one end of the sliding door plate (11) is fixedly provided with a triangular plate (12), one end of the diagonal plate (13) is fixedly provided with a chute (5) which is fixedly connected with one end of the door plate (5); the inside sliding connection of fixed cover (5) has tooth post (4), the one end rotation of wall body (6) is connected with gear pole (7), the one end of tooth post (4) passes fixed cover (5) and gear pole (7) meshing, gear pole (7) one side fixedly connected with limiting plate (8), the one end of fixed plate (10) is provided with buffering damper, buffering damper is used for slowing down the impact force that sliding door plant (11) caused fixed plate (10) at inside sliding of door frame (3) when explosion impact.
2. The explosion impact resistant structure and civil air defense door according to claim 1, wherein: the buffering and damping mechanism comprises a fixed cylinder (15) and a first sliding column (20), the fixed cylinder (15) is fixedly connected with one end of a fixed plate (10), the first sliding column (20) is fixedly connected with one end center of a sliding door plate (11), one end of the first sliding column (20) penetrates through the sliding door plate (11) and is sleeved in the fixed cylinder (15), one end of the first sliding column (20) is fixedly provided with a first sealing sleeve (21), the first sealing sleeve (21) is used for being in sealing connection with the inner wall of the fixed cylinder (15), one end of the fixed cylinder (15) is provided with an opening, the inside of the opening is rotationally connected with a baffle (22), one side of the baffle (22) is fixedly provided with a torsion spring, the other end of the torsion spring is fixedly connected with a vent pipe (16) which is arranged at equal intervals on the outer wall of the fixed cylinder (15), the fixed plate (10) is close to the outer wall of the sliding door plate (11), and the other end of the vent pipe (16) penetrates through the fixed plate (10) and is in butt joint with the air bag (28).
3. An explosion impact resistant structure and civil air defense door according to claim 2, wherein: the one end of fixed plate (10) is fixed with second slip post (26), gasbag (28) cup joint in the outside of second slip post (26), the one end fixedly connected with second seal cover (25) of second slip post (26), cavity (23) have been seted up to the one end of slip door plant (11), the inside at cavity (23) is sealed to be set up in second seal cover (25), check valve (27) of opening direction orientation fixed plate (10) one end are seted up to the inside of second seal cover (25), through-hole (24) have been seted up to the inside of slip door plant (11), the one end and cavity (23) of through-hole (24) switch on.
4. The explosion impact resistant structure and civil air defense door according to claim 1, wherein: the utility model discloses a door frame, including door frame (3), including fixed cover (5), wall body (3), fixed cover (5), reset spring (19), tooth post (4) fixed connection, reset spring (19), fixed cover (5) bottom inside, reset spring (19) top and wall body (6) up end fixed connection, reset spring (19) bottom and fixed cover (5) inside tooth post (4) fixed connection, fixed cover (5) bottom inside of door frame (3) below are provided with reset spring (19).
5. The explosion impact resistant structure and civil air defense door according to claim 1, wherein: the outer wall of the sliding door plate (11) can be completely attached to the inner wall of the door frame (3), and the outer wall of the sliding door plate (11) is a smooth wall.
6. A blast resistant construction and door according to claim 3, wherein: the second sliding columns (26) are provided with a plurality of groups, and the interiors of the plurality of groups of air bags (28) are respectively sleeved with the corresponding second sliding columns (26).
7. The explosion impact resistant structure and civil air defense door according to claim 1, wherein: the inside of door frame (3) is provided with aluminum alloy heat conduction board, aluminum alloy heat conduction board is used for giving wall body (6) with the heat conduction on sliding door plant (11).
8. The explosion impact resistant structure and civil air defense door of claim 4 wherein: one end of the fixed plate (10) is fixed with a plurality of groups of stop blocks, the sliding rod (9) is arranged between the groups of stop blocks in a sliding mode, and the fixed plate (10) is fixedly connected with the stop blocks in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210400295.6A CN114737866B (en) | 2022-04-16 | 2022-04-16 | Explosion-resistant impact structure and civil air defense door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210400295.6A CN114737866B (en) | 2022-04-16 | 2022-04-16 | Explosion-resistant impact structure and civil air defense door |
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| CN114737866A CN114737866A (en) | 2022-07-12 |
| CN114737866B true CN114737866B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210400295.6A Active CN114737866B (en) | 2022-04-16 | 2022-04-16 | Explosion-resistant impact structure and civil air defense door |
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| CN216240311U (en) * | 2021-07-09 | 2022-04-08 | 嘉兴市盛华人防设备有限公司 | Anti explosion strikes people's air defense door |
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| EP1647660A1 (en) * | 2004-10-12 | 2006-04-19 | Nan Ya Plastics Corporation | Patio door structure |
| RU77328U1 (en) * | 2008-03-13 | 2008-10-20 | Закрытое акционерное общество "Московский Механический Завод Специального Оборудования" | SEALED DOOR (OPTIONS) |
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|---|---|
| CN114737866A (en) | 2022-07-12 |
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