Ventilation civil air defense door

Abstract

The utility model relates to the technical field of civil defense doors, and discloses a ventilation civil defense door. According to the ventilation civil air defense door, the ventilation groove is formed in the top end of the door body, the draught fan is installed in the ventilation groove, the active ventilation function is achieved, and the problems that natural wind in a civil air defense place is insufficient and the ventilation efficiency is poor are effectively solved; by means of the design, outdoor dust and large foreign matter can be effectively filtered out and prevented from entering the civil air defense project along with air, so that the cleanness of the indoor environment and the health of people are kept, the air cylinder drives the sealing shaft and the conversion block to rotate, flexible switching between the ventilation groove and the arc-shaped groove is achieved, and when sealing is needed, the ventilation groove is not prone to falling off. The conversion block can seal the arc-shaped groove to ensure the air tightness of the door body; when ventilation is needed, the conversion block rotates to enable the air inlet groove to be in a vertical state, air circulation is allowed, and intelligent sealing and ventilation switching is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of civil air defense doors, in particular to a ventilated civil air defense door. BACKGROUND

[0002] The civil air defense door refers to the door of the entrance of the people's air defense engineering, and the civil air defense door is classified as ordinary single or double-leaf protective airtight door, airtight door, single-leaf or double-leaf protective airtight door with movable threshold and airtight door and various civil air defense equipment.

[0003] The existing patent (announcement number: CN218150586U) discloses a ventilated civil air defense door and relates to the field of civil air defense doors, which comprises a door body, a ventilation window is formed through the door body, a hanging plate for closing the ventilation window is rotatably arranged on the door body, a mounting seat is arranged on the door body close to the ventilation window, a plurality of limiting strips are arranged on the mounting seat in sequence along the thickness direction of the door body, the limiting strips are slidably arranged on the mounting seat, and the sliding path of the limiting strips is located on the rotating path of the hanging plate, and a fastener is arranged on the mounting seat for locking the limiting strips on the mounting seat. The application can adjust the opening angle of the hanging plate, and when the hanging plate closes the ventilation window, the hanging plate will be in close contact with the sealing ring, and the sealing effect of the connection between the hanging plate and the ventilation window can be further enhanced under the action of the sealing ring.

[0004] The above-mentioned civil air defense door can adjust the opening angle of the hanging plate, and when the hanging plate closes the ventilation window, the hanging plate will be in close contact with the sealing ring, and the sealing effect of the connection between the hanging plate and the ventilation window can be further enhanced under the action of the sealing ring. Since the civil air defense place is usually located underground, the natural wind is insufficient, and the hanging plate is arranged on one side of the ventilation window, which blocks the circulation of air, thereby resulting in poor ventilation efficiency. In addition, the civil air defense door lacks dust filtration, and outdoor dust and floating objects can easily enter the indoor. CONTENT OF THE UTILITY MODEL

[0005] In view of the defects of the prior art, the application provides a ventilated civil air defense door, which has the advantages of high ventilation efficiency and solves the problems in the background art.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a ventilated civil air defense door, comprising a door body, a ventilation groove is formed at the top end of the door body, a machine plate is mounted at the indoor end of the ventilation groove, a plurality of fans are mounted in the machine plate, a closed box is arranged at the left end of the ventilation groove, the closed box is fixedly connected to the outdoor surface of the door body, an arc-shaped groove is formed at the side of the closed box away from the door body, a communication groove is formed in the inner wall of the arc-shaped groove, and a conversion block is fixedly connected between the two closed shafts.

[0007] The inside of the conversion block is provided with a through air inlet groove, both ends of the air inlet groove are respectively provided with a grille and a dust filter screen, and the dust filter screen is located at one end of the air inlet groove close to the door body.

[0008] Through the above scheme, the ventilation function is realized by opening the ventilation groove at the top end of the door body and installing the fan in the ventilation groove, effectively solving the problem of insufficient natural wind and poor ventilation efficiency in the air defense place, and the air inlet end of the ventilation groove is provided with a grille and a dust filter screen, which can effectively filter out dust and larger foreign matters outside, preventing them from entering the air defense engineering with air, thereby maintaining the cleanliness of the indoor environment and the health of the personnel, and the rotation of the closing shaft and the conversion block is driven by the cylinder, which realizes the flexible switching between the ventilation groove and the arc-shaped groove, and when sealing is needed, the conversion block can close the arc-shaped groove to ensure the air tightness of the door body; when ventilation is needed, the air inlet groove is changed to a vertical state by the rotation of the conversion block, allowing air to circulate, realizing intelligent sealing and ventilation switching, and the vibration sensor and the nuclear radiation sensor installed on the door body can monitor the environmental changes outside in real time, the vibration sensor can monitor the vibration caused by sudden events such as explosions, and the nuclear radiation sensor can monitor the radiation value outside, providing timely safety warning for personnel, and when the abnormality occurs, the control host can automatically drive the cylinder to work.

[0009] Further, one end of each of the two closing shafts is fixedly connected with a gear, the outdoor surface of the door body is provided with two symmetrically arranged cylinders, the output ends of the two cylinders are fixedly connected with toothed plates, and the two toothed plates are both in sliding connection with the door body and are respectively in meshing connection with the gears close to them.

[0010] Through the above scheme, the downward movement is driven by the setting of the cylinder, and the closing shaft is rotated by 90 degrees, and the conversion block is rotated, so that the air inlet groove becomes vertical, and the outer surface of the conversion block can close the arc-shaped groove, thereby realizing the sealing of the door body.

[0011] Further, a vibration sensor is installed on the outdoor surface of the door body.

[0012] Through the above scheme, the vibration caused by the explosion can be monitored through the setting of the vibration sensor.

[0013] Further, a nuclear radiation sensor is installed on the outdoor surface of the door body.

[0014] Through the above scheme, the radiation value outside can be monitored through the above setting.

[0015] Further, a blocking frame is arranged on the outdoor surface of the door body.

[0016] Through the above scheme, through the setting of the blocking frame, the protection purpose of the electrical element can be achieved, and the direct contact of the shock wave with the electrical element can be effectively blocked.

[0017] Further, the inner top wall and the inner bottom wall of the ventilation slot are fixedly connected with a plurality of reinforcing ribs.

[0018] Through the above scheme, through the setting of the reinforcing rib, the mechanical strength of the door body can be ensured.

[0019] Further, the indoor surface of the door body is provided with a control host.

[0020] Through the above scheme, through the setting of the control host, the detection purpose of the electrical element can be achieved.

[0021] Further, the indoor surface of the door body is provided with an alarm.

[0022] Through the above scheme, when the radiation value is abnormal, the alarm can automatically alarm and warn people to stay away from the door body.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The ventilation civil air defense door has the following advantages: the ventilation function is realized by opening the ventilation slot at the top end of the door body and installing the fan in the ventilation slot, the problem of insufficient natural wind and poor ventilation efficiency in the civil air defense place is effectively solved, the air inlet end of the ventilation slot is provided with a grille and a dust filter net, which can effectively filter out dust and large foreign matters outside to prevent them from entering the civil air defense engineering, thereby maintaining the cleanliness of the indoor environment and the health of the personnel, the rotation of the closed shaft and the conversion block is driven by the air cylinder, the flexible switching between the ventilation slot and the arc-shaped slot is realized, when sealing is needed, the conversion block can close the arc-shaped slot to ensure the air tightness of the door body; when ventilation is needed, the air inlet slot becomes vertical state through the rotation of the conversion block, allowing air to circulate, realizing intelligent sealing and ventilation switching, the vibration sensor and the nuclear radiation sensor installed on the door body can monitor the environmental changes outside in real time, the vibration sensor can monitor the vibration generated by sudden events such as explosion, and the nuclear radiation sensor can monitor the radiation value outside, providing timely safety warning for personnel, when abnormal, the control host can automatically drive the air cylinder to work. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a three-dimensional schematic view of the overall structure of the present application Figure 1 ;

[0026] Figure 2 is a three-dimensional schematic view of the overall structure of the present application Figure 2 ;

[0027] Figure 3It is a door body structure diagram of the present application;

[0028] Figure 4 It is a door body structure sectional view of the present application;

[0029] Figure 5 It is a reinforcing rib structure diagram of the present application;

[0030] Figure 6 It is a closed box sectional structure diagram of the present application;

[0031] Figure 7 It is a conversion block structure diagram of the present application.

[0032] In the figure:

[0033] 1, door body; 2, ventilation slot; 3, machine plate; 4, fan; 5, closed box; 6, arc-shaped slot; 7, communication slot; 8, closed shaft; 9, conversion block; 10, air inlet slot; 11, grille; 12, dust filter screen; 13, gear; 14, air cylinder; 15, toothed plate; 16, vibration sensor; 17, nuclear radiation sensor; 18, blocking frame; 19, reinforcing rib; 20, control host; 21, alarm. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only 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 without creative labor fall within the scope of protection of the present application.

[0035] Please refer to Figure 1 , Figure 4 and Figure 5 A ventilation civil air defense door in the embodiment includes a door body 1, a ventilation slot 2 is formed at the top end of the door body 1, a machine plate 3 is installed at the indoor end of the ventilation slot 2, a plurality of fans 4 are installed inside the machine plate 3, a closed box 5 is arranged at the left end of the ventilation slot 2, the closed box 5 is fixedly connected to the outdoor surface of the door body 1, an arc-shaped slot 6 is formed at the side of the closed box 5 away from the door body 1, a communication slot 7 is formed in the inner wall of the arc-shaped slot 6, a closed shaft 8 is rotatably connected to the inner side wall of the arc-shaped slot 6, a conversion block 9 is fixedly connected between the two closed shafts 8, a plurality of reinforcing ribs 19 are fixedly connected between the inner top wall and the inner bottom wall of the ventilation slot 2. Through the arrangement of the reinforcing ribs 19, the mechanical strength of the door body 1 can be ensured.

[0036] Please refer to Figure 3 , Figure 4 and Figure 5The two closed shafts 8 are fixedly connected with gear wheels 13 at the ends far away from each other, the outdoor surface of the door body 1 is provided with two symmetrically arranged air cylinders 14, the output ends of the two air cylinders 14 are fixedly connected with toothed plates 15, the two toothed plates 15 are slidably connected with the door body 1, the two toothed plates 15 are respectively meshedly connected with the gear wheels 13 close to them, through the arrangement of the air cylinders 14, the downward movement can be driven, and then the closed shaft 8 is rotated by 90 degrees, the conversion block 9 is driven to rotate, the air inlet groove 10 becomes vertical, the outer surface of the conversion block 9 can close the arc-shaped groove 6, and the sealing of the door body 1 is realized

[0037] Please refer to Figure 3 、 Figure 6 and Figure 7 , the inside of the conversion block 9 is provided with a penetrating air inlet groove 10, the two ends of the air inlet groove 10 are respectively provided with a grille 11 and a dust filter screen 12, the dust filter screen 12 is located at one end of the air inlet groove 10 close to the door body 1, through the arrangement of the grille 11 and the dust filter screen 12, the filtering purpose of dust and larger foreign matters can be realized.

[0038] Please refer to Figure 1 、 Figure 2 and Figure 3 , the outdoor surface of the door body 1 is provided with a vibration sensor 16, through the arrangement of the vibration sensor 16, the vibration generated by the explosion can be monitored, the outdoor surface of the door body 1 is provided with a nuclear radiation sensor 17, through the above arrangement, the outdoor radiation value can be monitored, the outdoor surface of the door body 1 is provided with a blocking frame 18, through the arrangement of the blocking frame 18, the protection purpose of the electrical components can be realized, the direct contact of the shock wave with the electrical components can be effectively blocked, the indoor surface of the door body 1 is provided with an alarm 21, when the radiation value is abnormal, the alarm 21 can automatically alarm, warning personnel to keep away from the door body 1, the indoor surface of the door body 1 is provided with a control host 20, through the arrangement of the control host 20, the detection purpose of the electrical components can be realized.

[0039] The ventilation civil air defense door in the embodiment realizes the function of active ventilation by opening a ventilation slot 2 at the top end of the door body 1 and installing a fan 4 in the ventilation slot 2, effectively solves the problem of insufficient natural wind and poor ventilation efficiency in the civil air defense place, the air inlet end of the ventilation slot 2 is provided with a grille 11 and a dust filter screen 12, this design can effectively filter out the dust and larger foreign matters outside, prevent them from entering the civil air defense engineering along with the air, thereby maintaining the cleanliness of the indoor environment and the health of the personnel, the rotation of the closing shaft 8 and the conversion block 9 is driven by the air cylinder 14, the design realizes the flexible switching between the ventilation slot 2 and the arc-shaped slot 6, when sealing is needed, the conversion block 9 can close the arc-shaped slot 6, ensure the air tightness of the door body 1, when ventilation is needed, the rotation of the conversion block 9 makes the air inlet slot 10 become vertical, allows the air to circulate, realizes the intelligent sealing and ventilation switching, the vibration sensor 16 and the nuclear radiation sensor 17 installed on the door body 1 can monitor the environmental changes outside in real time, the vibration sensor 16 can monitor the vibration generated by the sudden events such as explosion, the nuclear radiation sensor 17 can monitor the radiation value outside, provide timely safety warning for the personnel, when the abnormality occurs, the control host 20 can automatically drive the air cylinder 14 to work.

[0040] The working principle of the above embodiment is as follows: first, the top end of the door body 1 is designed with a ventilation slot 2, and a machine plate 3 is installed at the indoor end of the ventilation slot 2. The inside of the machine plate 3 is equipped with a plurality of fans 4. When ventilation is needed, the fans 4 are started to introduce outdoor air into the air defense engineering through the ventilation slot 2, effectively solving the problem of insufficient natural wind and poor ventilation efficiency in the air defense place. The air inlet end of the ventilation slot 2, that is, the outdoor end, is ingeniously provided with a grille 11 and a dust filter screen 12. This design can effectively filter out outdoor dust, leaves and other larger foreign matters, preventing them from entering the air defense engineering along with the air, thereby ensuring the cleanliness of the indoor environment and protecting the health of personnel. On the outdoor side of the door body 1, a closed box 5 is connected with the ventilation slot 2. An arc-shaped slot 6 is formed on the closed box 5, and a communication slot 7 is formed on the inner wall of the arc-shaped slot 6. Two closed shafts 8 are rotatably connected between the two inner side walls of the communication slot 7. A conversion block 9 is fixedly connected between the two closed shafts 8. An air inlet slot 10 is formed in the conversion block 9. When ventilation is needed, the conversion block 9 is rotated by the driving of the air cylinder 14, so that the air inlet slot 10 is communicated with the outdoor to allow air circulation. At the same time, a vibration sensor 16 and a nuclear radiation sensor 17 are also installed on the door body 1. The vibration sensor 16 can monitor whether an explosion or other emergency event occurs outdoors in real time. Once the vibration is monitored, a warning can be sent in time. The nuclear radiation sensor 17 can monitor the radiation value outdoors. When the radiation value is abnormal, a warning will also be sent. When the vibration sensor 16 or the nuclear radiation sensor 17 detects an abnormal condition, the control host 20 can quickly respond to automatically drive the air cylinder 14 to work. The output end of the air cylinder 14 is engaged with the gear 13 on the closed shaft 8 through the toothed plate 15, so as to drive the closed shaft 8 and the conversion block 9 to rotate. After the conversion block 9 rotates, its outer surface can close the arc-shaped slot 6, ensuring the air tightness of the door body 1 and realizing intelligent sealing and ventilation switching.

[0041] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. In the absence of a contrary indication, by the statement "comprising a" an element is not excluded from the process, method, article, or apparatus that includes the named element.

[0042] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary and that changes can be made in detail without departing from the principles and spirit of the application. The scope of the application is therefore defined by the appended claims and their equivalents.

Claims

1. A ventilated civil defense door comprising a door body (1), characterized in that: The top end of the door body (1) is provided with a ventilation slot (2), the indoor end of the ventilation slot (2) is provided with a machine plate (3), the inside of the machine plate (3) is provided with a plurality of fans (4), the left end of the ventilation slot (2) is provided with a closed box (5), the closed box (5) is fixedly connected with the outdoor surface of the door body (1), the side of the closed box (5) away from the door body (1) is provided with an arc-shaped slot (6), the inner wall of the arc-shaped slot (6) is provided with a communication slot (7), the two inner side walls of the arc-shaped slot (6) are rotatably connected with closed shafts (8), and the two closed shafts (8) are fixedly connected with a conversion block (9). The inside of the conversion block (9) is provided with a penetrating air inlet slot (10), the two ends of the air inlet slot (10) are respectively provided with a grille (11) and a dust filter net (12), and the dust filter net (12) is located at the end of the air inlet slot (10) close to the door body (1).

2. The ventilated civil defense door of claim 1, wherein: The ends of the two closed shafts (8) away from each other are fixedly connected with gear wheels (13), the outdoor surface of the door body (1) is provided with two symmetrically arranged air cylinders (14), the output ends of the two air cylinders (14) are fixedly connected with toothed plates (15), the two toothed plates (15) are slidably connected with the door body (1), and the two toothed plates (15) are respectively meshedly connected with the gear wheels (13) close thereto.

3. The ventilated civil defense door of claim 1, wherein: The outdoor surface of the door body (1) is provided with a vibration sensor (16).

4. The ventilated civil defense door of claim 1, wherein: The outdoor surface of the door body (1) is provided with a nuclear radiation sensor (17).

5. The ventilated civil defense door of claim 1, wherein: The outdoor surface of the door body (1) is provided with a blocking frame (18).

6. The ventilated civil defense door of claim 1, wherein: The inner top wall and the inner bottom wall of the ventilation slot (2) are fixedly connected with a plurality of reinforcing ribs (19).

7. The ventilated civil defense door of claim 1, wherein: The indoor surface of the door body (1) is provided with a control host (20).

8. The ventilated civil defense door of claim 1, wherein: The indoor surface of the door body (1) is provided with an alarm (21).

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