CN114320115A - Explosion vent convenient to open after shocking resistance - Google Patents
Explosion vent convenient to open after shocking resistance Download PDFInfo
- Publication number
- CN114320115A CN114320115A CN202210003696.8A CN202210003696A CN114320115A CN 114320115 A CN114320115 A CN 114320115A CN 202210003696 A CN202210003696 A CN 202210003696A CN 114320115 A CN114320115 A CN 114320115A
- Authority
- CN
- China
- Prior art keywords
- door leaf
- door
- frame
- opening
- door frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004880 explosion Methods 0.000 title claims description 41
- 238000009434 installation Methods 0.000 claims abstract description 41
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000004804 winding Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000007123 defense Effects 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 5
- 230000035939 shock Effects 0.000 description 11
- 239000000872 buffer Substances 0.000 description 8
- 230000003139 buffering effect Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Landscapes
- Special Wing (AREA)
Abstract
The application relates to an explosion-proof door convenient to open after impact resistance, which belongs to the technical field of civil air defense doors and comprises a door frame and a door leaf, wherein a hinged shaft is arranged on the door frame, and the door leaf is rotatably arranged on the hinged shaft; a plurality of limiting rods are arranged in the door leaf in a sliding manner, a plurality of limiting grooves for the limiting rods to be inserted are formed in the peripheral wall of the inner ring of the door frame, and the limiting rods are distributed on the peripheral wall of the door leaf away from the hinge shaft and the peripheral wall of the door leaf perpendicular to the hinge shaft; the door leaf is provided with an installation ring on the peripheral wall close to the articulated shaft, the articulated shaft rotates and is sleeved in the installation ring, and the articulated shaft is detachably arranged on the installation seat; a first fan-shaped groove for enabling the limiting rod to rotate by taking the limiting rod departing from the mounting ring as a rotation axis is formed in the doorframe frame departing from the mounting ring; and a second fan-shaped groove for enabling the positioning rod to rotate by taking the limiting rod close to the first fan-shaped groove as a rotation axis is formed in the door frame. This application has the effect of being convenient for open the people's air defense door after the impact.
Description
Technical Field
The application relates to the technical field of civil air defense doors, in particular to an explosion vent convenient to open after impact resistance.
Background
The explosion door is an explosion-proof protection device for resisting accidental explosion of devices outside an industrial building, ensuring the life safety of personnel and the integrity of equipment inside the industrial building, being not damaged by explosion shock waves and effectively preventing the continuation of explosion damage; the steel plate can be made of special industrial steel plates according to strictly set mechanical data and is matched with high-performance hardware fittings to guarantee life and property safety.
At present, if a patent document with an authorization publication number of CN211500386U discloses an explosion vent, which includes a civil air defense door panel, a reinforcing bar is arranged inside the civil air defense door panel, and the reinforcing bar is welded to an inner wall of the civil air defense door panel, an installation disc is arranged on an outer surface of one side of the reinforcing bar, a buffer is fixedly installed on an outer surface of an upper end of the installation disc, a buffer door panel is fixedly connected to a buffer end of the buffer, a through hole is arranged on an outer surface of one side of the civil air defense door panel, the buffer door panel is located inside the through hole, four buffers are arranged, and are respectively located at four corners of the outer surface of one side of the buffer door panel; strengthen the overall structure intensity of people's air defense door plant through strengthening the strip, when the shock wave that produces when the explosion takes place contacts the buffering door plant simultaneously, the impact force on the inside buffer can effectual absorption buffering door plant, and then makes the buffering door plant invagination to this shock wave of eliminating the explosion makes this people's air defense door possess stronger explosion-proof ability.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the explosion shock wave impacts, the horizontal limiting rod, the vertical limiting rod, the gear disc, the gear rack and the like are locked to form the possibility of bending in the opening device, so that the civil air defense door is difficult to open subsequently.
Disclosure of Invention
In order to open the people's air defense door after the impact, this application provides the explosion vent of being convenient for to open after shocking resistance.
The application provides a blast door convenient to open after shocking resistance adopts following technical scheme:
an explosion door convenient to open after impact resistance comprises a door frame and a door leaf hinged in the door frame, wherein a hinged shaft is arranged on the door frame, and the door leaf is rotatably arranged on the hinged shaft; a plurality of limiting rods are arranged in the door leaf in a sliding manner, a plurality of limiting grooves for the limiting rods to be inserted are formed in the peripheral wall of the inner ring of the door frame, and the limiting rods are distributed on the peripheral wall of the door leaf away from the hinge shaft and the peripheral wall of the door leaf perpendicular to the hinge shaft; the door frame is provided with an installation seat, the hinged shaft is arranged on the installation seat, the peripheral wall of the door leaf close to the hinged shaft is provided with an installation ring, the hinged shaft rotates and is sleeved in the installation ring, and the hinged shaft is detachably arranged on the installation seat; a first fan-shaped groove for a limiting rod to rotate by taking the limiting rod departing from the mounting ring as a rotation axis is formed in the doorframe frame departing from the mounting ring, the first fan-shaped groove is communicated with the limiting groove, and one side of the first fan-shaped groove departing from the limiting groove extends towards the direction close to the door leaf impact surface; the limiting rod between the limiting rod that is located the collar and deviates from the collar is the locating lever, set up on the door frame and supply the locating lever to use the limiting rod that is close to first sector groove as axis of rotation pivoted second sector groove, second sector groove and the limiting groove intercommunication that corresponds with the locating lever.
By adopting the technical scheme, when the civil air defense door is used, the door leaf is rotated to close the door frame, then the limiting rod is slid to enable the limiting rod to enter the limiting groove, and the door leaf is used for closing and locking the door frame; after the deformation of the door leaf caused by the explosion impact resistance of the civil air defense door, the limiting rod is easy to bend, so that the opening and closing of the door leaf are inconvenient; when the situation occurs, if the civil air defense door is required to be opened urgently, the hinged shaft is firstly detached from the installation seat, and the installation seat and the hinged shaft are less affected by explosion impact because the installation seat is positioned on the door frame, so that the hinged shaft is convenient to detach from the installation seat; then, the worker pushes the door leaf, the door leaf takes the limiting rod close to the first sector groove as a rotating axis, and the door frame is opened, so that the worker can conveniently come in and go out through the door frame; when the door leaf rotates by the limiting rod close to the first sector groove, the limiting rod with the length direction perpendicular to the hinge shaft slides in the first sector groove and slides towards the direction close to the impact surface of the door leaf, so that the influence of the door frame on the rotation of the door leaf is reduced, and the door leaf is convenient to open; meanwhile, the door leaf closes the door frame, and the limiting rod is positioned in the limiting groove and is abutted against the side wall of the limiting groove, so that the rotation of the door leaf is limited conveniently; when the door leaf rotates by taking the limiting rod close to the first limiting groove as a rotating axis, the rest limiting rods rotate in the second fan-shaped groove and rotate towards the direction far away from the impact surface of the door leaf, and then the door leaf is convenient to rotate to open the door frame.
Optionally, set up the first through-hole that supplies the articulated shaft to pass on the mount pad, the one end of articulated shaft is provided with the fixed disk, one side that the articulated shaft deviates from the fixed disk is provided with the screw thread section, threaded connection has the nut that is used for the butt mount pad on the screw thread section.
By adopting the technical scheme, when the hinge shaft is detached, the nut is screwed to separate the nut from the hinge shaft, then the hinge shaft is extracted from the first through hole, and then the hinge shaft is detached from the mounting seat, and the hinge shaft is separated from the mounting ring so as to remove the limitation of the hinge shaft on the rotation of the door leaf; the nut and the thread section fix the hinge shaft, and the hinge shaft fixing device has the advantages of being simple and convenient to operate and good in fixing effect.
Optionally, the second fan-shaped groove penetrates through a door frame deviating from the door leaf impact surface, a penetrating opening of the second fan-shaped groove penetrating through the door frame is a first opening, and an opening and closing member for closing the first opening is arranged on the door frame.
By adopting the technical scheme, the second fan-shaped groove penetrates through the frame of the door frame, so that the limiting rod can conveniently rotate out of the door frame along the second fan-shaped groove, the rotating angle of the door leaf is improved, the opening area of the door frame is increased, and workers can conveniently come in and go out through the opening; under the action of the opening and closing piece, the first opening is closed, so that the limiting rod is convenient to abut against the opening and closing piece, and the door leaf is convenient to resist impact of shock waves; simultaneously, the stability of people's air defense door has been improved.
Optionally, the opening and closing element includes an opening and closing block slidably disposed on the doorframe side frame, a circumferential wall of the positioning rod abuts against the opening and closing block, a sliding direction of the opening and closing block is parallel to a height direction of the door leaf, and the opening and closing element further includes a fixing element for fixing the opening and closing block.
By adopting the technical scheme, when the first opening is opened and closed, the opening and closing block is slid and covers the first opening or is separated from the first opening, so that the first opening is opened and closed, and the operation is simple and convenient; meanwhile, the limiting rod is abutted against the opening and closing block, so that when the door leaf is impacted by explosion, the opening and closing block can block the limiting rod, and the impact resistance of the door leaf is improved; after the opening and closing block closes the first opening, the opening and closing block is fixed to the position through the fixing piece, and then the limiting rod is blocked by the opening and closing block conveniently, so that the impact resistance of the door leaf is improved.
Optionally, a sliding groove for sliding the opening and closing block is formed in the side wall of the first opening and on the doorframe side frame, the fixing member includes a bolt connected to the doorframe side frame through a thread, and a thread groove for connecting the bolt with the thread is formed in the opening and closing block.
By adopting the technical scheme, when the opening and closing block is fixed, the bolt is screwed, enters the thread groove on the opening and closing block, and is fixed on the door frame, so that the operation is simple and convenient; under the effect of spout, improved and opened the stability of piece on the door frame, further improved and opened the piece and to the ability that blocks of gag lever post.
Optionally, a driving member for driving the door leaf to rotate with a limiting rod close to the first sector groove as a rotation axis is arranged on the door leaf frame.
By adopting the technical scheme, after the hinged shaft is detached from the mounting seat, the door leaf is driven to rotate by the driving piece through the limiting rod close to the first sector groove, so that the labor amount of workers is reduced, and the workers can open the door frame conveniently; simultaneously, the driving piece is located the door frame, has reduced the influence of explosion shock wave to the driving piece.
Optionally, the driving part comprises a winch arranged on the doorframe frame close to the first sector groove, a steel wire rope is wound on the winch, the winding direction of the winch is parallel to the rotation axis of the hinge shaft, the steel wire rope is arranged on the winch, and the free end of the steel wire rope is detachably arranged on one side, close to the hinge shaft, of the door leaf.
By adopting the technical scheme, when the door leaf is opened, the winch is started, the wire rope is wound by the winch, and the wire rope drives the door leaf to rotate along the limiting rod in the winding process, so that the operation is simple and convenient; the free end of the steel wire rope is detachably arranged on the door leaf, so that the steel wire rope is conveniently separated from the door leaf, and the influence of the steel wire rope on the normal entrance and exit of the civil air defense door is reduced.
Optionally, a hook is arranged at the free end of the steel wire rope, and a hanging ring hung with the hook is arranged on the door leaf; a closing plate used for closing the opening of the hook is rotatably arranged on the hook.
By adopting the technical scheme, when the steel wire rope is connected with the door leaf, the hook is hung in the hanging ring, then the closing plate is rotated to close the opening of the hook, and the steel wire rope is further connected to the door leaf, so that the operation is simple and convenient; meanwhile, the hook and the hanging ring have the advantages of simple structure and convenient acquisition; furthermore, after the opening of the hook is closed by the closing plate, the possibility that the hook and the hanging ring drop carelessly is reduced, and the door leaf is convenient to open.
Optionally, a mounting plate for mounting the winch is arranged on the doorframe frame, and the mounting plate is detachably arranged on the doorframe frame.
Through adopting above-mentioned technical scheme, the setting can be dismantled on the door frame to the mounting panel, is convenient for demolish the hoist engine from the door frame, and then has reduced the influence of explosion shock wave to the hoist engine to improve the life of hoist engine and ensure that the hoist engine normally works.
To sum up, the application comprises the following beneficial technical effects:
when the civil air defense door is used, the door leaf is rotated to close the door frame, then the limiting rod is slid to enable the limiting rod to enter the limiting groove, and the door leaf is used for closing and locking the door frame; after the deformation of the door leaf caused by the explosion impact resistance of the civil air defense door, the limiting rod is easy to bend, so that the opening and closing of the door leaf are inconvenient; when the situation occurs, if the civil air defense door is required to be opened urgently, the hinged shaft is firstly detached from the installation seat, and the installation seat and the hinged shaft are less affected by explosion impact because the installation seat is positioned on the door frame, so that the hinged shaft is convenient to detach from the installation seat; then, the worker pushes the door leaf, the door leaf takes the limiting rod close to the first sector groove as a rotating axis, and the door frame is opened, so that the worker can conveniently come in and go out through the door frame; when the door leaf rotates by the limiting rod close to the first sector groove, the limiting rod with the length direction perpendicular to the hinge shaft slides in the first sector groove and slides towards the direction close to the impact surface of the door leaf, so that the influence of the door frame on the rotation of the door leaf is reduced, and the door leaf is convenient to open; meanwhile, the door leaf closes the door frame, and the limiting rod is positioned in the limiting groove and is abutted against the side wall of the limiting groove, so that the rotation of the door leaf is limited conveniently; when the door leaf rotates by taking the limiting rod close to the first limiting groove as a rotating axis, the rest limiting rods rotate in the second fan-shaped groove and rotate towards the direction far away from the impact surface of the door leaf, and then the door leaf is convenient to rotate to open the door frame.
Drawings
FIG. 1 is a schematic view of the entire structure of an explosion vent which is easy to open after impact resistance according to the embodiment of the application;
FIG. 2 is a cross-sectional view of a mounting block in an explosion vent that facilitates opening after impact resistance in accordance with an embodiment of the present application;
FIG. 3 is a cross-sectional view of a door frame of an explosion vent that facilitates easy opening after impact resistance in accordance with an embodiment of the present application;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is an enlarged schematic view of portion B of FIG. 3;
fig. 6 is an enlarged schematic view of a portion C in fig. 3.
Description of reference numerals: 1. a door frame; 2. a door leaf; 3. hinging a shaft; 4. a limiting rod; 5. a limiting groove; 6. a mounting seat; 7. a mounting ring; 8. a first sector groove; 9. positioning a rod; 10. a second sector groove; 11. a first through hole; 12. fixing the disc; 13. a threaded segment; 14. a nut; 15. a first opening; 16. an opening and closing member; 161. an opening and closing block; 163. a fixing member; 1631. a bolt; 17. a drive member; 171. a winch; 172. a wire rope; 18. hooking; 19. hanging a ring; 20. a closing plate; 21. a torsion spring; 22. mounting a plate; 23. a screw; 24. an accommodating box.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses explosion vent convenient to open after shocking resistance. Referring to fig. 1 and 2, the explosion vent convenient to open after impact resistance comprises a door frame 1 and a door leaf 2 hinged in the door frame 1, wherein a hinged shaft 3 is arranged on the door frame 1, and the door leaf 2 is rotatably arranged on the hinged shaft 3;
referring to fig. 2, 3 and 4, a plurality of limiting rods 4 are slidably arranged in the door leaf 2, a plurality of limiting grooves 5 for the limiting rods 4 to be inserted are formed in the circumferential wall of the inner ring of the door frame 1, and the limiting rods 4 are distributed on the circumferential wall of the door leaf 2 departing from the hinge shaft 3 and on the circumferential wall of the door leaf 2 perpendicular to the hinge shaft 3; when the civil air defense door is used, the door leaf 2 is rotated to close the door frame 1, then the limiting rod 4 is slid, the limiting rod 4 slides into the limiting groove 5, and the door leaf 2 is fixed on the door frame 1 to lock the door frame 1; when the explosion happens carelessly, the blast wave of the explosion impacts on the door leaf 2 to cause the deformation of the door leaf 2, possibly causing the possibility of bending damage of the limiting rod 4 and the gear and the rack which drive the limiting rod 4 to slide, further causing the limiting rod 4 to be difficult to slide from the limiting groove 5, and simultaneously, being difficult to recover the limiting rod 4 into the door leaf 2;
referring to fig. 2, after the door leaf 2 is deformed, the civil air defense door is convenient to open; the door frame 1 is provided with an installation seat 6, the hinge shaft 3 is arranged on the installation seat 6, the circumferential wall of the door leaf 2 close to the hinge shaft 3 is provided with an installation ring 7, the hinge shaft 3 rotates and is sleeved in the installation ring 7, and the hinge shaft 3 is detachably arranged on the installation seat 6; when the door frame 1 is installed, the door frame 1 is embedded in a door opening, then the installation seat 6 is fixed on a wall body, the installation ring 7 is installed in the hinge shaft 3, and the door leaf 2 is installed in the door frame 1;
referring to fig. 3 and 4, a first fan-shaped groove 8 for enabling the limiting rod 4 to rotate by taking the limiting rod 4 departing from the mounting ring 7 as a rotation axis is formed in a frame of the door frame 1, the frame is departing from the mounting ring 7, the first fan-shaped groove 8 is communicated with the limiting groove 5, a plane where the first fan-shaped groove 8 is located is parallel to the ground, and one side, departing from the limiting groove 5, of the first fan-shaped groove 8 extends towards a direction close to an impact surface of the door leaf 2;
referring to fig. 3 and 5, the limiting rod 4 between the mounting ring 7 and the limiting rod 4 departing from the mounting ring 7 is a positioning rod 9, a second fan-shaped groove 10 for the positioning rod 9 to rotate by taking the limiting rod 4 close to the first fan-shaped groove 8 as a rotation axis is formed in the door frame 1, the second fan-shaped groove 10 is communicated with the limiting groove 5 corresponding to the positioning rod 9, and the plane where the second fan-shaped groove 10 is located is perpendicular to the ground.
After the explosion happens carelessly, if the door leaf 2 needs to be rotated to open the man-defense door, a worker removes the hinged shaft 3 from the mounting seat 6, the hinged shaft 3 slides out of the mounting seat 6, the mounting ring 7 is separated from the hinged shaft 3, and at the moment, the connection effect of the hinged shaft 3 on the door leaf 2 is relieved; then, the worker pushes the door leaf 2, the worker takes the door leaf 2 close to the first fan-shaped groove 8 as an acting point, the door leaf 2 takes the limiting rod 4 close to the first fan-shaped groove 8 as a rotating axis, the door frame 1 is opened in a rotating mode, and the worker enters and exits the civil air defense door through the opening; when the door leaf 2 rotates along the limiting rod 4, the limiting rod 4 departing from the hinge shaft 3 rotates in the first fan-shaped groove 8; the rest limiting rods 4 rotate in the second fan-shaped grooves 10, so that the influence of the door frame 1 on the rotation of the limiting rods 4 is reduced, and the door leaf 2 can rotate conveniently to open the door frame 1.
Referring to fig. 2, a first through hole 11 for the hinge shaft 3 to pass through is formed in the mounting seat 6, a fixed disk 12 is fixedly arranged at one end of the hinge shaft 3, a threaded section 13 is arranged at one side of the hinge shaft 3, which is far away from the fixed disk 12, and a nut 14 for abutting against the mounting seat 6 is connected to the threaded section 13 in a threaded manner; when the door leaf 2 is installed, firstly, the installation ring 7 is moved into the installation seat 6, the installation ring 7 and the first through hole 11 are positioned on the same axis, then the hinge shaft 3 is inserted into the first through hole 11, the hinge shaft 3 penetrates through the installation ring 7, then the nut 14 is screwed, the nut 14 is abutted against the installation seat 6, and the door leaf 2 is installed on the door frame 1; when the hinge shaft 3 is removed, the nut 14 is screwed to remove the nut 14 from the hinge shaft 3, and then the hinge shaft 3 is removed from the mounting seat 6, so that the operation is simple and convenient.
Referring to fig. 2 and 5, in order to increase the rotation angle of the door leaf 2, the second fan-shaped groove 10 penetrates through the frame of the door frame 1 away from the impact surface of the door leaf 2, and a penetrating opening of the second fan-shaped groove 10 penetrating through the door frame 1 is a first opening 15; the door leaf 2 is rotated, the door leaf 2 rotates to drive the positioning rod 9 to rotate, the positioning rod 9 rotates along the second sector-shaped groove 10 and rotates out from the first opening 15, and then the rotating angle of the door leaf 2 is increased.
Referring to fig. 2 and 5, in order to improve the shock resistance of the door leaf 2 to shock waves, an opening and closing member 16 for closing the first opening 15 is arranged on the frame of the door frame 1, the opening and closing member 16 includes an opening and closing block 161 slidably arranged on the frame of the door frame 1, in the embodiment of the present application, the sliding direction of the opening and closing block 161 is parallel to the height direction of the door leaf 2, the peripheral wall of the positioning rod 9 abuts against the opening and closing block 161, a sliding groove for sliding the opening and closing block 161 is formed on the side wall of the first opening 15 on the frame of the door frame 1, and further, the sliding groove is communicated with the first opening 15; when the civil air defense door is used normally, the sliding opening and closing block 161 closes the first opening 15; after the opening and closing block 161 is closed to the first opening 15, the limiting rod 4 abuts against the opening and closing block 161, when the explosion shock wave impacts on the door leaf 2, the door leaf 2 deforms to drive the limiting rod 4 to slide and impact on the opening and closing block 161, and therefore the stability of the door leaf 2 is improved.
Referring to fig. 2 and 5, in order to reduce the possibility that the opening and closing block 161 falls from the doorframe 1, the opening and closing member 16 further includes a fixing member 163 for fixing the opening and closing block 161, the fixing member 163 includes a bolt 1631 screwed on the rim of the doorframe 1, and the opening and closing block 161 is provided with a thread groove for the bolt 1631 to be screwed; after the opening and closing block 161 closes the first opening 15, the bolt 1631 is screwed, so that the bolt 1631 enters the threaded groove, the opening and closing block 161 is further fixed on the doorframe 1, and the possibility that the opening and closing block 161 falls off from the doorframe 1 is reduced; at the same time, the stability of the door leaf 2 is improved.
Referring to fig. 2 and 3, in order to facilitate the worker to push the door leaf 2 to open the door frame 1, a driving member 17 for driving the door leaf 2 to rotate by taking the limiting rod 4 close to the first sector-shaped groove 8 as a rotation axis is arranged on a frame of the door frame 1, the driving member 17 comprises a winch 171 arranged on the frame close to the first sector-shaped groove 8, a steel wire rope 172 is wound on the winch 171, the winding direction of the winch 171 is parallel to the rotation axis of the hinge shaft 3, the winch 171 is provided with the steel wire rope 172, and the free end of the steel wire rope 172 is arranged on one side of the door leaf 2 close to the hinge shaft 3; after the hinged shaft 3 is detached from the mounting seat 6, the winch 171 is started, the wire rope 172 is wound by the winch 171, the wire rope 172 is wound to drive the door leaf 2 to rotate by the limiting rod 4, and then the door frame 1 is opened, so that the operation is simple and convenient; meanwhile, the labor capacity of workers is reduced.
Referring to fig. 3 and 6, in order to reduce the influence of the wire rope 172 on the entrance and exit of the personnel air defense door, the free end of the wire rope 172 is detachably arranged on the door leaf 2, in the embodiment of the application, the free end of the wire rope 172 is provided with a hook 18, and the door leaf 2 is provided with a hanging ring 19 hooked with the hook 18; when the civil air defense door is normally used, the hook 18 is detached from the hanging ring 19, and the steel wire rope 172 is wound on the winch 171; when the door leaf 2 is opened, the hook 18 is hung on the hanging ring 19, and then the winding machine 171 is started to wind the steel wire rope 172.
Referring to fig. 3 and 6, in order to reduce the possibility that the hook 18 falls off the hanging ring 19, a closing plate 20 for closing the opening of the hook 18 is rotatably arranged on the hook 18, the rotating axis of the closing plate 20 is perpendicular to the plane of the hook 18, and the closing plate 20 is positioned in the space surrounded by the hook 18 and abuts against the gap side wall of the hook 18; further, a rotating shaft is rotatably arranged on the hook 18, the closing plate 20 is fixedly arranged on the rotating shaft, and a torsion spring 21 for driving the closing plate 20 to abut against the side wall of the gap of the hook 18 is sleeved on the rotating shaft; after the hook 18 is hung on the hanging ring 19, the closing plate 20 is driven to rotate to close the gap of the hook 18 under the action of the torsion spring 21, so that the possibility that the hook 18 falls off from the hanging ring 19 is reduced.
Referring to fig. 3 and 6, in order to reduce the influence of the blast shock wave on the winding engine 171, an installation plate 22 for installing the winding engine 171 is arranged on the frame of the doorframe 1, the winding engine 171 is fixedly arranged on the installation plate 22, the installation plate 22 is detachably arranged on the frame of the doorframe 1, a screw 23 is connected to the installation plate 22 in a threaded manner, and further, a spiral groove for the screw 23 to be connected in a threaded manner is formed on the frame of the doorframe 1; when the civil air defense door is normally used, the mounting plate 22 is detached from the frame of the doorframe 1; after the explosion occurs, the mounting plate 22 is mounted on the frame of the door frame 1, so that the subsequent winding machine 171 drives the door leaf 2 to close the door frame 1.
Referring to fig. 3 and 6, in order to conveniently store the hoist 171 and the like, a storage box 24 is provided on a frame of the door frame 1, and the hoist 171 is stored in the storage box 24; further, a wrench for driving the nut 14, the screw 23, and the like is housed in the housing case 24.
The implementation principle of the explosion vent convenient to open after impact resistance of the embodiment of the application is as follows:
after the explosion happens, when the door leaf 2 is difficult to open due to the damage of the limiting rod 4; the operator, holding the wrench, removes the nut 14 from the articulated shaft 3 and then takes the articulated shaft 3 out of the mounting seat 6; then the opening and closing block 161 is taken out from the frame of the doorframe 1.
The mounting plate 22 is mounted on the frame of the doorframe 1, and then the hook 18 is hung on the hanging ring 19; starting the winch 171, winding the steel wire rope 172 by the winch 171, and winding the steel wire rope 172 to drive the door leaf 2 to rotate by the limiting rod 4 so as to open the door frame 1;
when the door leaf 2 rotates, the limiting rod 4 departing from the hinge shaft 3 rotates in the first fan-shaped groove 8; the rest limiting rods 4 rotate in the second fan-shaped grooves 10, so that the influence of the door frame 1 on the rotation of the limiting rods 4 is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. An explosion vent convenient to open after impact resistance comprises a door frame (1) and a door leaf (2) hinged in the door frame (1), wherein a hinged shaft (3) is arranged on the door frame (1), and the door leaf (2) is rotatably arranged on the hinged shaft (3); the door leaf (2) is provided with a plurality of limiting rods (4) in a sliding manner, and a plurality of limiting grooves (5) for the limiting rods (4) to be connected in an inserting manner are formed in the circumferential wall of the inner ring of the door frame (1), and the door leaf is characterized in that: the limiting rods (4) are distributed on the peripheral wall of the door leaf (2) departing from the hinge shaft (3) and on the peripheral wall of the door leaf (2) perpendicular to the hinge shaft (3); the door frame (1) is provided with an installation seat (6), the hinged shaft (3) is arranged on the installation seat (6), the peripheral wall, close to the hinged shaft (3), of the door leaf (2) is provided with an installation ring (7), the hinged shaft (3) rotates and is sleeved in the installation ring (7), and the hinged shaft (3) is detachably arranged on the installation seat (6); a first fan-shaped groove (8) which is used for enabling the limiting rod (4) to rotate by taking the limiting rod (4) departing from the mounting ring (7) as a rotation axis is formed in the frame of the door frame (1) departing from the mounting ring (7), the first fan-shaped groove (8) is communicated with the limiting groove (5), and one side, departing from the limiting groove (5), of the first fan-shaped groove (8) extends towards the direction close to the impact surface of the door leaf (2); the stop lever (4) that is located between mounting ring (7) and the stop lever (4) that deviates from mounting ring (7) is locating lever (9), offer on door frame (1) and supply locating lever (9) to use stop lever (4) that is close to first fan-shaped groove (8) as rotation axis pivoted second fan-shaped groove (10), second fan-shaped groove (10) and stop groove (5) intercommunication that correspond with locating lever (9).
2. An explosion vent adapted to be readily opened after impact resistance as defined in claim 1, wherein: offer first through-hole (11) that supply articulated shaft (3) to pass on mount pad (6), the one end of articulated shaft (3) is provided with fixed disk (12), one side that articulated shaft (3) deviates from fixed disk (12) is provided with screw thread section (13), threaded connection has nut (14) that are used for butt mount pad (6) on screw thread section (13).
3. An explosion vent adapted to be readily opened after impact resistance as defined in claim 1, wherein: the second fan-shaped groove (10) penetrates through a frame of the door frame (1) deviating from the impact surface of the door leaf (2), a penetrating opening of the second fan-shaped groove (10) penetrating through the door frame (1) is a first opening (15), and an opening and closing piece (16) for closing the first opening (15) is arranged on the frame of the door frame (1).
4. An explosion vent adapted to be readily opened after impact resistance as defined in claim 3, wherein: the opening and closing piece (16) comprises an opening and closing block (161) which is arranged on the frame of the door frame (1) in a sliding mode, the peripheral wall of the positioning rod (9) abuts against the opening and closing block (161), the sliding direction of the opening and closing block (161) is parallel to the height direction of the door leaf (2), and the opening and closing piece (16) further comprises a fixing piece (163) for fixing the opening and closing block (161).
5. An explosion vent adapted to be readily opened after impact resistance as defined in claim 4, wherein: the sliding door is characterized in that a sliding chute for opening and closing the block (161) is formed in the side wall of the frame (1) and located on the first opening (15), the fixing piece (163) comprises a bolt (1631) in threaded connection with the frame of the frame (1), and a threaded groove for connecting the bolt (1631) in threaded connection is formed in the opening and closing block (161).
6. An explosion vent adapted to be readily opened after impact resistance as defined in claim 1, wherein: and a driving piece (17) which is used for driving the door leaf (2) to rotate by taking the limiting rod (4) close to the first sector groove (8) as a rotating axis is arranged on the frame of the door leaf (2).
7. An explosion vent adapted to be readily opened after impact resistance as defined in claim 6, wherein: the driving piece (17) comprises a winch (171) arranged on a frame close to the first fan-shaped groove (8) and the door frame (1), a steel wire rope (172) is wound on the winch (171), the winding direction of the winch (171) is parallel to the rotating axis of the hinged shaft (3), the steel wire rope (172) is arranged on the winch (171), and the free end of the steel wire rope (172) can be detachably arranged on one side, close to the hinged shaft (3), of the door leaf (2).
8. An explosion vent adapted to be readily opened after impact resistance as defined in claim 7, wherein: a hook (18) is arranged at the free end of the steel wire rope (172), and a hanging ring (19) hung with the hook (18) is arranged on the door leaf (2); a closing plate (20) used for closing the opening of the hook (18) is arranged on the hook (18) in a rotating way.
9. An explosion vent adapted to be readily opened after impact resistance as defined in claim 7, wherein: the frame of the door frame (1) is provided with an installation plate (22) used for installing a winch (171), and the installation plate (22) is detachably arranged on the frame of the door frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210003696.8A CN114320115A (en) | 2022-01-04 | 2022-01-04 | Explosion vent convenient to open after shocking resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210003696.8A CN114320115A (en) | 2022-01-04 | 2022-01-04 | Explosion vent convenient to open after shocking resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114320115A true CN114320115A (en) | 2022-04-12 |
Family
ID=81023721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210003696.8A Pending CN114320115A (en) | 2022-01-04 | 2022-01-04 | Explosion vent convenient to open after shocking resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114320115A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10164212A1 (en) * | 2001-12-31 | 2003-07-17 | Bernhard Haverkamp | Window glazing withstanding explosions has casement pivoting on vertical axle inside frame with locking element |
| CN104105837A (en) * | 2012-02-10 | 2014-10-15 | Bx铁矢株式会社 | Gate device with pressure difference mitigating mechanism |
| CN105672823A (en) * | 2016-03-12 | 2016-06-15 | 胥开理 | Active off-axis horizontal and vertical arbitrary open type high-grade sealed frameless window |
| CN107654161A (en) * | 2017-09-18 | 2018-02-02 | 李振军 | A kind of pair is opened Multi-function protective window |
| CN207686556U (en) * | 2017-12-12 | 2018-08-03 | 武汉市人防工程专用设备有限责任公司 | People's air defense explosion proof door |
| CN108915500A (en) * | 2018-06-28 | 2018-11-30 | 陈琦 | A kind of easy to clean window for building |
| CN209637584U (en) * | 2018-12-05 | 2019-11-15 | 江苏金迪木业股份有限公司 | A kind of closed guard gate |
| CN111219134A (en) * | 2020-03-23 | 2020-06-02 | 尚僧堂 | Movable civil air defense engineering explosion door |
| CN211549538U (en) * | 2019-11-25 | 2020-09-22 | 上海锐视门窗有限公司 | Window body structure convenient to dismantle and install screen window |
| CN112576162A (en) * | 2020-12-07 | 2021-03-30 | 方成红 | Anti-impact explosion door with impact baffle |
-
2022
- 2022-01-04 CN CN202210003696.8A patent/CN114320115A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10164212A1 (en) * | 2001-12-31 | 2003-07-17 | Bernhard Haverkamp | Window glazing withstanding explosions has casement pivoting on vertical axle inside frame with locking element |
| CN104105837A (en) * | 2012-02-10 | 2014-10-15 | Bx铁矢株式会社 | Gate device with pressure difference mitigating mechanism |
| CN105672823A (en) * | 2016-03-12 | 2016-06-15 | 胥开理 | Active off-axis horizontal and vertical arbitrary open type high-grade sealed frameless window |
| CN107654161A (en) * | 2017-09-18 | 2018-02-02 | 李振军 | A kind of pair is opened Multi-function protective window |
| CN207686556U (en) * | 2017-12-12 | 2018-08-03 | 武汉市人防工程专用设备有限责任公司 | People's air defense explosion proof door |
| CN108915500A (en) * | 2018-06-28 | 2018-11-30 | 陈琦 | A kind of easy to clean window for building |
| CN209637584U (en) * | 2018-12-05 | 2019-11-15 | 江苏金迪木业股份有限公司 | A kind of closed guard gate |
| CN211549538U (en) * | 2019-11-25 | 2020-09-22 | 上海锐视门窗有限公司 | Window body structure convenient to dismantle and install screen window |
| CN111219134A (en) * | 2020-03-23 | 2020-06-02 | 尚僧堂 | Movable civil air defense engineering explosion door |
| CN112576162A (en) * | 2020-12-07 | 2021-03-30 | 方成红 | Anti-impact explosion door with impact baffle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7438111B2 (en) | Storm curtain with counterbalance system and drive component protection | |
| CN207553906U (en) | A kind of explosion proof door | |
| US20150361700A1 (en) | System and method for garage door counterbalance | |
| US5435102A (en) | Pivotable mullion assembly | |
| CN114320115A (en) | Explosion vent convenient to open after shocking resistance | |
| CN208220829U (en) | Air door, which opens by mistake, opens safety device | |
| US7114291B2 (en) | Overhead door drop stop | |
| CN112647796A (en) | Supporting structure and explosion-proof people's air defense emergency exit | |
| CN102812195B (en) | Padlock protection device | |
| CN109898962A (en) | A kind of pick-proof with adjustable guiding device is anti-to rush formula security door | |
| CN212032242U (en) | Prevent breaking door and getting into entrance guard reinforcing apparatus | |
| CN111425119B (en) | People's air defense door and door frame with function of fleing of combatting earthquake | |
| CN113027267A (en) | Anti-sticking car door | |
| CN104003270A (en) | Lock for landing door of construction elevator | |
| CN209129035U (en) | Wireless remote control intelligent anti-theft well lid | |
| CN219826504U (en) | Connecting rod lock is hung in area with dustproof function | |
| CN208934178U (en) | The vertical wallboard of log cabin and ground attachment device with closing connection box | |
| CN220356225U (en) | Explosion container capable of preventing automatic locking | |
| CN212927581U (en) | Civil air defense door of basement | |
| CN111894401A (en) | Classroom safety door capable of preventing hands from being pinched | |
| CN219158844U (en) | Burglary-resisting door cat eye with security protection alarming function | |
| CN209398206U (en) | A kind of shock proof civil air defense constructions and installations protective door | |
| CN218509342U (en) | Civil air defense door convenient to open and close | |
| CN220642348U (en) | Impact-resistant device for feeding door of construction elevator | |
| CN220253841U (en) | Electrical power distribution cabinet for building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |