CN-224200532-U - Explosion door for civil air defense engineering

CN224200532UCN 224200532 UCN224200532 UCN 224200532UCN-224200532-U

Abstract

The utility model provides an explosion-proof door for civil air defense engineering, which comprises a door frame and a door leaf rotatably arranged on the door frame, wherein one side of the door leaf is provided with a locking assembly which is clamped with the door frame, and one side of the door leaf, which is far away from the locking assembly, is provided with a punching assembly which is connected with the door frame so as to strengthen the stability of the door leaf when the door leaf is closed. Under the conventional state of door leaf, connect with the lock sleeve on the door frame through the lock joint subassembly to close the door leaf, the handle of soon drives the gear and rotates, with promoting rack board and remove, thereby control locking lever removes, opens or close the door leaf, easy operation, the quick operation of being convenient for. When the door leaf is impacted, the buffer plate is impacted and extruded to buffer the spring to remove through the second slope piece, the second slope piece utilizes the slope terminal surface to be connected with first slope piece, thereby promotes first slope piece and removes, and the jam plate removes to insert to establish in the second lockhole that corresponds of door frame, and the jam plate distributes and is equipped with a plurality of, and all sets up with the buffer plate interlock, can improve door leaf shock resistance.

Inventors

JIANG JIANFENG
WANG JIANHUI
LIU XUEFEI
GAO JINYAN
ZHANG ENHAI
DING CHUANRONG
JIANG JINRAN
CHEN JIAN

Assignees

阜南县民安人防工程设备有限公司

Dates

Publication Date: 20260505
Application Date: 20250211

Claims (8)

1. The explosion-proof door for civil air defense engineering comprises a door frame and a door leaf rotatably arranged on the door frame, wherein one side of the door leaf is provided with a locking assembly which is clamped with the door frame; The punching and connecting assembly comprises a buffer plate elastically arranged at the outer end of the door leaf and a punching and connecting piece circumferentially arranged at the outer end of the door leaf, the punching and connecting piece comprises a lock plate and a first slope block integrally arranged on one side of the lock plate and a second slope block arranged on the buffer plate, the first slope block and the second slope block are matched and arranged to push the lock plate to move outwards when the buffer plate is impacted, and the door frame is provided with a second lock hole corresponding to the lock plate.
2. The explosion-proof door for civil air defense engineering according to claim 1, wherein the locking assembly comprises lock rods and pushing pieces, wherein the lock rods are distributed in a linkage manner, the pushing pieces are arranged on one side of the door frame and correspond to the lock rods, a lock sleeve is arranged on one side of the door frame, and a rotating handle for driving the pushing pieces to act is arranged on the door leaf so as to insert the lock rods into first lock holes corresponding to the lock sleeves.
3. The explosion-proof door for civil air defense engineering according to claim 2, wherein the door leaf is provided with a sliding sleeve corresponding to the locking rod, the locking rod is inserted into the sliding sleeve and is connected in a sliding manner, and one side of the locking rod away from the locking sleeve is connected with the pushing piece in a rotating manner.
4. The explosion door for civil air defense engineering according to claim 3, wherein the pushing piece comprises a push rod and a pushing seat arranged at the outer end of the push rod, connecting rods are rotatably arranged on two sides of the pushing seat respectively and are rotatably connected with the locking rod through the connecting rods, the push rod is slidably arranged on a limiting sleeve corresponding to the door leaf, and a rack plate is fixedly arranged on one side of the push rod away from the pushing seat.
5. The explosion door for civil air defense construction according to claim 4, wherein the door leaf is provided with a bracket corresponding to the rotary handle, a rotary shaft is rotatably arranged on the bracket, a gear is fixedly arranged on the rotary shaft, the gear is in transmission connection with the rack plate, the outer end of the rotary shaft is fixedly connected with the rotary handle, and the position of the push rod is adjusted by rotating the rotary handle, so that the lock rods on two sides are driven to move by the connecting rod.
6. The explosion vent for civil air defense construction according to claim 1, wherein the buffer plates are slidably mounted in the buffer grooves, and the outer ends of the door leaves are provided with end plates for limiting the buffer plates so as to prevent the buffer plates from being separated from the buffer grooves.
7. The explosion vent for civil air defense construction according to claim 6, wherein the inclined end surfaces of the first and second ramp blocks are disposed in a matched manner so as to push the first ramp block to move through the inclined end surfaces, and a return spring is disposed between the first ramp block and the end plate so as to push the buffer plate to be arranged in the buffer groove under a normal state.
8. The explosion-proof door for civil air defense engineering according to claim 7, wherein the buffer plate is elastically connected with the door leaf through a plurality of groups of elastic pressing pieces which are distributed, the door leaf is provided with corresponding grooves corresponding to the elastic pressing pieces, the elastic pressing pieces comprise a limiting cylinder, a limiting rod which is slidably arranged in the limiting cylinder and a buffer spring which is sleeved at the outer end of the limiting cylinder, one side of the limiting rod, which is far away from the limiting cylinder, is fixedly connected with the buffer plate, and the limiting rod is positioned in the limiting cylinder and is connected with an anti-drop block.

Description

Explosion door for civil air defense engineering Technical Field The utility model relates to the technical field of explosion vents, in particular to an explosion vent for civil air defense engineering. Background When civil air defense engineering is built, an explosion door is arranged for guaranteeing the safety of the civil air defense engineering. When the explosion-proof door is impacted, the lock rod may deform, so that the explosion-proof door is opened, and even if the explosion-proof door is not opened, the explosion-proof door cannot be opened due to the seriously deformed lock rod, so that the explosion-proof door capable of enhancing locking stability during explosion impact is needed. Disclosure of utility model The technical problem solved by the utility model is to provide an explosion door for civil air defense engineering so as to solve the problems in the background technology. The technical problem solved by the utility model is realized by adopting the following technical scheme that the explosion-proof door for civil air defense engineering comprises a door frame and a door leaf rotatably arranged on the door frame, wherein one side of the door leaf is provided with a locking assembly which is clamped with the door frame, and one side of the door leaf, which is far away from the locking assembly, is provided with a punching assembly which is connected with the door frame so as to strengthen the stability of the door leaf when the door leaf is closed; The impact assembly comprises an elastic buffer plate arranged at the outer end of the door leaf and impact pieces arranged around the outer end of the door leaf in a distributed mode, the impact pieces comprise lock plates, a first slope block integrally arranged on one side of the lock plates and a second slope block arranged on the buffer plate, the first slope block and the second slope block are matched with each other to push the lock plates to move outwards when the buffer plates are impacted, and the door frame is provided with a second lock hole corresponding to the lock plates to strengthen the stability of the door leaf when the door leaf is impacted by explosion. As a further scheme of the utility model: the locking assembly comprises lock rods which are distributed and arranged and pushing pieces which are arranged in linkage with the lock rods, a lock sleeve is arranged on one side of the door frame corresponding to the lock rods, and a rotating handle which drives the pushing pieces to act is arranged on the door leaf so as to insert the lock rods into first lock holes corresponding to the lock sleeves. As a further scheme of the utility model: The door leaf is provided with a sliding sleeve corresponding to the locking rod, the locking rod is inserted into the sliding sleeve and connected in a sliding manner, and one side of the locking rod, which is far away from the locking sleeve, is connected with the pushing piece in a rotating manner. As a further scheme of the utility model: The pushing piece comprises a pushing rod and a pushing seat arranged at the outer end of the pushing rod, connecting rods are respectively rotatably arranged on two sides of the pushing seat, the pushing piece is rotatably connected with a lock rod through the connecting rods, the pushing rod is slidably arranged on a limiting sleeve corresponding to the door leaf, and a rack plate is fixedly arranged on one side, away from the pushing seat, of the pushing rod. As a further scheme of the utility model: The door leaf is corresponding to the rotating handle and is provided with a support, the support is provided with a rotating shaft in a rotating mode, a gear is fixedly arranged on the rotating shaft, the gear is in transmission connection with the rack plate, the outer end of the rotating shaft is fixedly connected with the rotating handle, the position of the push rod is adjusted through rotating the rotating handle, and accordingly the connecting rod drives the lock rods on two sides to move, and the door leaf is opened and closed. As a further scheme of the utility model: The door leaf one side corresponds the buffer board and is equipped with the buffer tank respectively, and buffer board slidable mounting is in the buffer tank, and the door leaf outer end is equipped with carries out spacing end plate to the buffer board to avoid the buffer board to break away from the buffer tank. As a further scheme of the utility model: The inclined end faces of the first slope block and the second slope block are matched, so that the first slope block is pushed to move through the inclined end faces, and a reset spring is arranged between the first slope block and the end plate, so that the reset spring pushes the buffer plate to be arranged in the buffer groove under the conventional state. As a further scheme of the utility model: The buffer board is through a plurality of groups of spring that distribute the setting and door leaf elastic connection,