Single-leaf protective airtight door capable of being rapidly closed

Abstract

The utility model discloses a single leaf protective air-tight door capable of being closed quickly, which comprises a door frame and a door body, the door body is arranged inside the door frame, a rotating rod is arranged at the right part of the rear end of the door frame, a plurality of connecting blocks are arranged on the outer surface of the rotating rod, the connecting blocks are fixedly connected with the door body, stop blocks are symmetrically arranged on the upper and lower sides of the connecting blocks, and the stop blocks are sleeved on the outer surface of the rotating rod. The outer surface of the rotating rod is sleeved with a plurality of torsion springs, one end of each torsion spring is fixedly connected with the corresponding check block, the other end of each torsion spring is fixedly connected with a connecting block, a rotating cover is installed at the upper end of the rotating rod, a rotating shaft is arranged in the rotating cover, a second motor is installed at the upper end of the rotating shaft, and a round cavity is formed in the rotating shaft. The electromagnet loses repulsive force after being powered off, the magnet loses repulsive force, the spring pushes the shifting block to ascend, the shifting block drives the roller to ascend and roll to leave the matching block, the rotating cover loses limiting force, the torsion spring resets to push the rotating rod to rotate and reset, and the door body is rapidly rotated and closed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of protective airtight door, concretely relates to a single-leaf protective airtight door of quick closing. BACKGROUND

[0002] The single-leaf protective airtight door is a protective equipment for the personnel entrance and exit of small size, and is widely used in civil air defense engineering. In the prior art, the closing of the single-leaf protective airtight door needs to be manually pushed to close the door body and then be locked, and the closing speed of the airtight door is slow, and the actual use effect is not good. Therefore, the technical personnel in the field provide a single-leaf protective airtight door of quick closing to solve the problems in the above background. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a single-leaf protective airtight door of quick closing, which comprises a door frame and a door body, the door body is arranged in the door frame, a rotating rod is arranged at the right part of the rear end of the door frame, a plurality of connecting blocks are arranged on the outer surface of the rotating rod, the connecting blocks are fixedly connected with the door body, the connecting blocks are symmetrically arranged on the upper and lower sides of the door body, the door body is sleeved on the outer surface of the rotating rod, and the door body is fixedly connected with the door frame.

[0004] A plurality of torsion springs are sleeved on the outer surface of the rotating rod, one end of the torsion spring is fixedly connected with the block, the other end of the torsion spring is fixedly connected with the connecting block, a rotating cover is arranged at the upper end of the rotating rod, a rotating shaft is arranged in the rotating cover, a second motor is arranged at the upper end of the rotating shaft, and a circular cavity is arranged in the rotating shaft.

[0005] A sliding groove is symmetrically arranged on the side surface of the rotating shaft, the sliding groove is communicated with the circular cavity, a sliding block is slidably connected in the circular cavity, a spring is arranged at the lower end of the sliding block, a magnet is arranged at the upper end of the sliding block, an electromagnet is arranged at the top of the circular cavity, a pushing block is arranged on the side surface of the sliding block, and the pushing block penetrates through the sliding groove.

[0006] Preferably, a clamping groove is arranged at the left end of the door body.

[0007] Preferably, a cavity is arranged in the left part of the door frame, a threaded sleeve is arranged in the cavity, a clamping block is symmetrically arranged at the right end of the threaded sleeve, the clamping block corresponds to the position of the clamping groove, a threaded rod is screw-connected in the threaded sleeve, and a first motor is arranged at the left end of the threaded rod.

[0008] Preferably, a trigger switch is arranged on the inner wall of the door frame, and the trigger switch is electrically connected with the first motor.

[0009] Preferably, a hidden groove is arranged at one end of the pushing block in the clockwise direction, a roller is rotatably connected in the hidden groove, two matching blocks are arranged on the inner wall of the rotating cover, and the matching blocks contact the roller.

[0010] The utility model has the following technical effects and advantages:

[0011] The utility model discloses a spring pushes and drives the rising of the poking block, and the poking block drives the rising and rolling of the gyro wheel and leaves the cooperation block, makes the rotary cover lose the limiting force, and the torsion spring resets and pushes the rotation of the rotating rod, makes the door body fast rotation and closes, simultaneously, the door body presses the trigger switch, makes motor one drive the clamping block and moves and inserts into the clamping groove, fixes the position of the door body. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structural schematic diagram of the utility model;

[0013] Fig. 2 It is the structural schematic diagram of the cavity of the utility model;

[0014] Fig. 3 It is the structural schematic diagram of the rotary cover of the utility model;

[0015] Fig. 4 It is the structural schematic diagram of the poking block of the utility model;

[0016] In the drawing,

[0017] 1, door frame;2, door body;3, clamping groove;4, cavity;5, threaded sleeve;6, clamping block;7, threaded rod;8, motor one;9, trigger switch;

[0018] 10, rotating rod;11, connecting block;12, stop block;13, torsion spring;14, rotary cover;15, cooperation block;16, rotating shaft;17, round cavity;18, sliding slot;19, sliding block;

[0019] 20, spring;21, magnet;22, poking block;23, hidden groove;24, gyro wheel;25, electromagnet;26, motor two. DETAILED DESCRIPTION

[0020] The utility model makes further detailed explanation in combination with the drawing and specific implementation below. The embodiment of the utility model is given for example and description, and is not exhaustive or limit the utility model to the disclosed form. Many modifications and changes are obvious to those skilled in the art. The embodiment is selected and described to better illustrate the principle and practical application of the utility model, and make those skilled in the art understand the utility model to design various embodiments with various modifications suitable for specific use.

[0021] Please refer to Figs. 1-4In this embodiment, a single-leaf protective sealed door capable of being quickly closed is provided, comprising a door frame 1 and a door body 2, the door body 2 is arranged inside the door frame 1, a clamping groove 3 is formed at the left end of the door body 2, a cavity 4 is arranged at the left part inside the door frame 1, a threaded sleeve 5 is arranged inside the cavity 4, a clamping block 6 is symmetrically mounted at the right end of the threaded sleeve 5 and corresponds to the position of the clamping groove 3, a threaded rod 7 is threadedly connected inside the threaded sleeve 5, a motor one 8 is mounted at the left end of the threaded rod 7, a trigger switch 9 is mounted on the inner wall of the door frame 1 and is electrically connected with the motor one 8, a rotating rod 10 is arranged at the right part of the rear end of the door frame 1, a plurality of connecting blocks 11 are mounted on the outer surface of the rotating rod 10 and are fixedly connected with the door body 2, a stop block 12 is symmetrically arranged on the upper and lower sides of the connecting block 11 and is sleeved on the outer surface of the rotating rod 10, the stop block 12 is fixedly connected with the door frame 1, a plurality of torsion springs 13 are sleeved on the outer surface of the rotating rod 10, one end of the torsion spring 13 is fixedly connected with the stop block 12, the other end of the torsion spring 13 is fixedly connected with the connecting block 11, a rotating cover 14 is mounted at the upper end of the rotating rod 10, a rotating shaft 16 is arranged inside the rotating cover 14, a motor two 26 is mounted at the upper end of the rotating shaft 16, a circular cavity 17 is arranged inside the rotating shaft 16, a sliding groove 18 is symmetrically formed on the side surface of the rotating shaft 16 and communicates with the circular cavity 17, a sliding block 19 is slidably connected inside the circular cavity 17, a spring 20 is mounted at the lower end of the sliding block 19, a magnet 21 is mounted at the upper end of the sliding block 19, an electromagnet 25 is mounted at the top inside the circular cavity 17, a pushing block 22 is mounted on the side surface of the sliding block 19 and passes through the sliding groove 18, a hidden groove 23 is formed at one end of the two pushing blocks 22 in the clockwise direction, a roller 24 is rotatably connected inside the hidden groove 23, and two matching blocks 15 are mounted on the inner wall of the rotating cover 14 and contact the roller 24.

[0022] The working principle of the utility model is: when the door body 2 is opened, the motor two 26 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the pushing block 22 to rotate through the sliding groove 18 and the sliding block 19, the pushing block 22 pushes the matching block 15 through the roller 24, the matching block 15 drives the rotating cover 14 and the rotating rod 10 to rotate, the rotating rod 10 drives the door body 2 to rotate and open through the connecting block 11, and at the same time, the connecting block 11 twists the torsion spring 13 when rotating;

[0023] When the door body 2 needs to be closed, the electromagnet 25 loses repulsion force after being powered off, the magnet 21 loses repulsion force, the spring 20 loses limiting force, the spring 20 pushes the sliding block 19 to rise, the sliding block 19 drives the pushing block 22 to rise, the pushing block 22 drives the roller 24 to rise and roll away from the matching block 15, the pushing block 22 leaves the matching block 15, the rotating cover 14 loses limiting force, the torsion spring 13 resets and drives the rotating rod 10 to rotate and reset, the rotating rod 10 drives the door body 2 to quickly rotate and close through the connecting block 11, at the same time, the door body 2 presses the trigger switch 9, the trigger switch 9 controls the motor one 8 to work, the motor one 8 drives the threaded rod 7 to rotate, the threaded rod 7 drives the threaded sleeve 5 to move, the threaded sleeve 5 drives the clamping block 6 to move and insert into the clamping groove 3, and the position of the door body 2 is fixed.

[0024] Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A quick-closing single-leaf protective hermetic door comprising a door frame (1) and a door body (2), characterized in that, The door frame (1) is provided with a door body (2) inside. A rotating rod (10) is provided on the right side of the rear end of the door frame (1). Several connecting blocks (11) are installed on the outer surface of the rotating rod (10), and the connecting blocks (11) are fixedly connected to the door body (2). The connecting blocks (11) are symmetrically provided with stop blocks (12) on the upper and lower sides. The stop blocks (12) are sleeved on the outer surface of the rotating rod (10) and the stop blocks (12) are fixedly connected to the door frame (1). A number of torsion springs (13) are fitted on the outer surface of the rotating rod (10). One end of the torsion spring (13) is fixedly connected to the stop block (12), and the other end of the torsion spring (13) is fixedly connected to the connecting block (11). A rotating cover (14) is installed on the upper end of the rotating rod (10). A rotating shaft (16) is set inside the rotating cover (14). A motor (26) is installed on the upper end of the rotating shaft (16). A circular cavity (17) is set inside the rotating shaft (16). The rotating shaft (16) has symmetrically opened grooves (18) on its side, and the grooves (18) are connected to the circular cavity (17). The circular cavity (17) is slidably connected to the slider (19). A spring (20) is installed at the lower end of the slider (19), a magnet (21) is installed at the upper end of the slider (19), an electromagnet (25) is installed at the top inside the circular cavity (17), and a toggle block (22) is installed on the side of the slider (19), and the toggle block (22) passes through the groove (18).

2. A quick closing single leaf security door according to claim 1 wherein, The door (2) has a slot (3) on its left end.

3. A quick closing single leaf security door according to claim 1 wherein, A cavity (4) is provided on the left side of the door frame (1). A threaded sleeve (5) is provided inside the cavity (4). A locking block (6) is symmetrically installed on the right end of the threaded sleeve (5), and the locking block (6) corresponds to the position of the slot (3). A threaded rod (7) is threadedly connected inside the threaded sleeve (5), and a motor (8) is installed on the left end of the threaded rod (7).

4. A quick closing single leaf security door according to claim 1 wherein, A trigger switch (9) is installed on the inner wall of the door frame (1), and the trigger switch (9) is electrically connected to motor one (8).

5. A quick closing single leaf security door according to claim 1 wherein, The two actuating blocks (22) have a hidden groove (23) at one end in the clockwise direction. The hidden groove (23) is connected to a roller (24) for rotation. Two mating blocks (15) are installed on the inner wall of the rotating cover (14), and the mating blocks (15) contact the roller (24).

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