CN219605179U

CN219605179U - Civil air defense door with ventilation structure

Info

Publication number: CN219605179U
Application number: CN202321017681.3U
Authority: CN
Inventors: 丁彦峰
Original assignee: Hangzhou Guanhong Civil Defense Engineering Equipment Co ltd
Current assignee: Hangzhou Guanhong Civil Defense Engineering Equipment Co ltd
Priority date: 2023-04-29
Filing date: 2023-04-29
Publication date: 2023-08-29
Anticipated expiration: 2033-04-29

Abstract

The utility model discloses a civil air defense door with a ventilation structure, which belongs to the field of civil air defense doors and comprises a civil air defense door body, wherein a ventilation mechanism is arranged in combination with the use of the upper civil air defense door body, when the civil air defense door body is in a closed state or needs ventilation under special conditions, people in the civil air defense door body can rotate a knob positioned below the rear end wall of the civil air defense door body after the door, the knob drives a threaded rod to rotate between fixed blocks through a rotating rod, so that a transverse plate moves upwards along the inside of an upper cavity through a threaded hole on the top surface of a connecting block and drives a baffle plate arranged on the bottom surface to move upwards in an inner cavity until the baffle plate is not blocked in a ventilation opening, and a ventilation net in the ventilation opening formed in the baffle plate moves into the ventilation opening, so that the air in the civil air defense door body can be discharged to the outside through the ventilation net, and the body health and safety of the people in the civil air defense door body under special conditions can be ensured.

Description

Civil air defense door with ventilation structure

Technical Field

The utility model relates to the field of civil air defense doors, in particular to a civil air defense door with a ventilation structure.

Background

The civil air defense door is a door at the entrance and the exit of civil protection engineering, has more vivid classification, and comprises a common single-leaf and double-leaf protection airtight door and airtight door, a movable threshold single-leaf and double-leaf protection airtight door, airtight door and other various civil air defense devices. The civil air defense door belongs to civil air defense protection equipment.

In the prior art, the civil air defense door is normally in a normally open state, but when special conditions are met, the civil air defense door needs to be in a state of being always closed for a long time, the air inside the civil air defense door can be rarefied due to the fact that the civil air defense door is always in the closed state, and smoke dust can enter the inside of the civil air defense door through the ventilation window inside the civil air defense door when the conditions of thick smoke and the like are met, so that pollution is caused to the air environment inside the civil air defense door, and the physical health of people inside the civil air defense door is also influenced.

Disclosure of Invention

The utility model mainly aims to provide a civil air defense door with a ventilation structure, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a people's air defense door of band-pass air-service structure, includes the people's air defense door body, be equipped with ventilation mechanism in the bottom position of the people's air defense door body, and ventilation mechanism includes fixed block, threaded rod, transverse plate, baffle and ventilation net, the fixed block of symmetry about the back end wall lower extreme position fixedly connected with of the people's air defense door body, and the threaded rod passes through the dwang swing joint of upper and lower extreme between the fixed block, the sliding block swing joint of transverse plate through both sides is in the people's air defense door body, and the connecting block and the threaded rod swing joint on the transverse plate still pass through the back end wall, the bottom surface fixedly connected with three baffle of transverse plate, and the inside fixedly connected with ventilation net in the preceding end wall below of baffle.

Preferably, the bottom part of the front end wall of the civil air defense door body is provided with three ventilation openings in a transverse array mode, and the bottom part of the inside of each ventilation opening is provided with an inner cavity.

Preferably, the inside of the civil air defense door body is positioned at the upper end of the ventilation opening and is also provided with an upper cavity communicated with the ventilation opening, the left side and the right side of the inner wall of the upper cavity are respectively provided with a sliding groove, and the rear end wall of the civil air defense door body is provided with a vertical opening communicated with the upper cavity.

Preferably, the rear end wall of the civil air defense door body is provided with fixing blocks at the upper end and the lower end of the vertical opening respectively, the top surface of each fixing block is provided with a rotating hole, the upper end and the lower end of each threaded rod are respectively provided with a rotating rod, the rotating rods are movably arranged in the rotating holes, and the bottom ends of the rotating rods are fixedly provided with knobs.

Preferably, sliding blocks are fixedly installed on the left side wall and the right side wall of the transverse plate respectively, the sliding blocks are movably installed in the sliding grooves, connecting blocks are fixedly installed on the rear end wall of the transverse plate, threaded holes are formed in the top surfaces of the connecting blocks, and the connecting blocks penetrate through the vertical holes and are in threaded connection with the threaded rods through the threaded holes.

Preferably, the bottom surface of the transverse plate is fixedly provided with three baffles in a transverse array mode, the baffles are positioned in the inner cavity, a through hole is formed in the lower portion of the front end wall of the baffle, and a ventilation net is fixedly arranged in the through hole.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the ventilation mechanism is matched with the upper air defense door body, when the air defense door body is in a closed state or needs ventilation under special conditions, people in the air defense door body can rotate a knob positioned below the rear end wall of the air defense door body after the air defense door body, the knob drives a threaded rod to rotate between fixed blocks through a rotating rod, so that a transverse plate moves upwards along the threaded rod in the upper cavity through a threaded hole in the top surface of a connecting block, and drives a baffle plate arranged on the bottom surface to move upwards in the inner cavity until the baffle plate is not blocked in a ventilation opening any more, and a ventilation net in the ventilation opening formed in the baffle plate moves into the ventilation opening, so that air in the air defense door body can be discharged to the outside through the ventilation net, and the safety ventilation under special conditions and the health safety of people in the air defense door body can be ensured.

Drawings

FIG. 1 is a front view of the overall structure of the present utility model;

FIG. 2 is a rear view of the overall structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the civil air defense door body of the present utility model;

fig. 4 is a schematic view showing a structural separation of the ventilation mechanism of the present utility model.

In the figure: 1. a civil air defense door body; 2. a ventilation mechanism; 3. a vent; 4. an inner cavity; 5. an upper cavity; 6. a sliding groove; 7. a vertical port; 8. a fixed block; 9. a rotation hole; 10. a threaded rod; 11. a rotating lever; 12. a knob; 13. a transverse plate; 14. a sliding block; 15. a connecting block; 16. a threaded hole; 17. a baffle; 18. a through port; 19. a ventilation net.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a civil air defense door with a ventilation structure comprises a civil air defense door body 1, a ventilation mechanism 2 is arranged in the bottom end part of the civil air defense door body 1, the ventilation mechanism 2 comprises a fixed block 8, a threaded rod 10, a transverse plate 13, a baffle 17 and a ventilation net 19, the lower end part of the rear end wall of the civil air defense door body 1 is fixedly connected with a group of fixed blocks 8 which are vertically symmetrical, the threaded rod 10 is movably connected between the fixed blocks 8 through rotating rods 11 at the upper end and the lower end, the transverse plate 13 is movably connected in the civil air defense door body 1 through sliding blocks 14 at the two sides, the transverse plate 13 is also movably connected with the threaded rod 10 through connecting blocks 15 on the rear end wall, the bottom surface of the transverse plate 13 is fixedly connected with three baffle 17, and the ventilation net 19 is fixedly connected inside the lower part of the front end wall of the baffle 17.

As shown in fig. 1-4, in this embodiment, in order to ensure ventilation safety of the civil air defense door body 1 in a closed state by the ventilation mechanism 2, three ventilation openings 3 are provided at the bottom part of the front end wall of the civil air defense door body 1 in a transverse array manner, an inner cavity 4 is provided at the bottom part of the inside of the ventilation openings 3, an upper cavity 5 communicated with the ventilation openings 3 is provided at the inside of the civil air defense door body 1 and at the upper end of the ventilation openings 3, sliding grooves 6 are provided at the left and right sides of the cavity inner wall of the upper cavity 5, vertical openings 7 communicated with the upper cavity 5 are provided at the rear end wall of the civil air defense door body 1, fixed blocks 8 are fixedly mounted at the upper and lower ends of the rear end wall of the civil air defense door body 1, rotation holes 9 are provided at the top surfaces of the fixed blocks 8, the upper end and the lower end of the threaded rod 10 are respectively fixedly provided with a rotating rod 11, the rotating rod 11 is movably arranged in the rotating hole 9, the bottom end of the rotating rod 11 at the lower end is also fixedly provided with a knob 12, the left side wall and the right side wall of the transverse plate 13 are respectively fixedly provided with a sliding block 14, the sliding blocks 14 are movably arranged in the sliding groove 6, the rear end wall of the transverse plate 13 is fixedly provided with a connecting block 15, the top surface of the connecting block 15 is provided with a threaded hole 16, the connecting block 15 passes through the vertical opening 7 and is in threaded connection with the threaded rod 10 through the threaded hole 16, the bottom surface of the transverse plate 13 is fixedly provided with three baffle plates 17 in a transverse array mode, the baffle plates 17 are positioned in the inner cavity 4, the lower part of the front end wall of the baffle plates 17 is provided with a through hole 18, and the inside of the through hole 18 is fixedly provided with a ventilation net 19;

the specific use principle of the ventilation mechanism 2 matched with the civil air defense door body 1 is as follows: when the civil air defense door body 1 is in a closed state and ventilation is required to be carried out on the internal environment of the civil air defense door body 1, a person in the civil air defense door body 1 can manually rotate the knob 12 positioned on the lower part of the rear end wall of the civil air defense door body 1, the knob 12 drives the rotating rod 11 arranged at the upper end and the lower end of the threaded rod 10 to rotate in the rotating hole 9 formed on the top surface of the vertically symmetrical fixing block 8 arranged on the rear end wall of the civil air defense door body 1, the rotating rod 11 drives the threaded rod 10 to rotate between the fixing blocks 8, when the threaded rod 10 rotates, as the connecting block 15 arranged on the rear end wall of the transverse plate 13 is in threaded connection with the threaded rod 10 through the threaded hole 16 formed on the top surface, the connecting block 15 moves upwards along the threaded hole 16 in the vertical opening 7 formed on the rear end wall of the civil air defense door body 1, the transverse plate 13 is driven to synchronously move upwards in the cavity of the upper cavity 5 arranged in the civil air protection door body 1, the sliding blocks 14 arranged at two sides of the transverse plate 13 slide in the grooves of the sliding grooves 6 arranged on the left and right side walls of the cavity of the upper cavity 5, meanwhile, in the upward moving process of the transverse plate 13, the baffle 17 arranged at the bottom surface of the transverse plate 13 in the ventilation opening 3 arranged at the lower end part of the civil air protection door body 1 enters into the upper cavity 5, the baffle 17 moves upwards in the cavity 4 arranged at the inner bottom surface of the ventilation opening 3, the knob 12 is continuously rotated until the ventilation net 19 arranged in the ventilation opening 18 arranged at the lower end part of the front end wall of the baffle 17 is positioned in the ventilation opening 3, so that the air in the civil air protection door body 1 can be discharged to the outside of the civil air protection door body 1 through the ventilation net 19, and further the inside the civil air protection door body 1 can be ensured to realize safe ventilation under special environment, and ensure the health and safety of personnel in the civil air defense door body 1, and finally, when the civil air defense door is not used any more, the knob 12 is reversely rotated to enable the baffle 17 to block the ventilation opening 3.

The foregoing is only illustrative of the preferred embodiments of the present utility model and, although the present utility model has been described in detail with reference to the foregoing embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and equivalents of the features may be substituted for elements thereof without departing from the true spirit and scope of the utility model.

Claims

1. The utility model provides a people's air defense door of band-pass air traffic structure, includes people's air defense door body (1), its characterized in that: be equipped with ventilation mechanism (2) in the bottom position of people's air defense door body (1), and ventilation mechanism (2) are including fixed block (8), threaded rod (10), transverse plate (13), baffle (17) and ventilation net (19), the lower tip position fixedly connected with of back end wall of people's air defense door body (1) is a set of fixed block (8) of symmetry from top to bottom, and threaded rod (10) pass through dwang (11) swing joint of upper and lower extreme between fixed block (8), sliding block (14) swing joint through both sides of transverse plate (13) are in people's air defense door body (1), and connecting block (15) and threaded rod (10) swing joint on transverse plate (13) still pass through on the back end wall, the bottom surface fixedly connected with of transverse plate (13) three baffle (17), and the inside fixedly connected with of preceding end wall below of baffle (17) ventilates net (19).

2. The civil air defense door with the ventilation structure according to claim 1, wherein: three ventilation openings (3) are formed in the bottom of the front end wall of the civil air defense door body (1) in a transverse array mode, and an inner cavity (4) is formed in the bottom of the inside of each ventilation opening (3).

3. A civil air defense door with a ventilation structure according to claim 2, wherein: the inside of people's air defense door body (1) and be located the upper end of vent (3) still offered last cavity (5) with vent (3) intercommunication, and slide groove (6) have been seted up respectively to the intracavity wall left and right sides of last cavity (5), set up on the rear end wall of people's air defense door body (1) with last vertical mouth (7) of cavity (5) intercommunication.

4. A civil air defense door with a ventilation structure according to claim 3, wherein: the anti-theft door is characterized in that the upper end wall and the lower end wall of the anti-theft door body (1) are respectively fixedly provided with a fixed block (8) at the upper end and the lower end of the vertical opening (7), the top surface of the fixed block (8) is provided with a rotating hole (9), the upper end and the lower end of the threaded rod (10) are respectively fixedly provided with a rotating rod (11), the rotating rod (11) is movably arranged in the rotating hole (9), and the lower end of the rotating rod (11) is fixedly provided with a knob (12) at the bottom end.

5. The civil air defense door with the ventilation structure according to claim 4, wherein: sliding blocks (14) are fixedly mounted on the left side wall and the right side wall of the transverse plate (13) respectively, the sliding blocks (14) are movably mounted in the sliding grooves (6), connecting blocks (15) are fixedly mounted on the rear end wall of the transverse plate (13), threaded holes (16) are formed in the top surfaces of the connecting blocks (15), and the connecting blocks (15) penetrate through the vertical openings (7) and are in threaded connection with the threaded rods (10) through the threaded holes (16).

6. The air defense door with the ventilation structure according to claim 5 wherein: the bottom surface of transverse plate (13) is with three baffle (17) of mode fixed mounting in transverse array, and baffle (17) are located inner chamber (4), opening (18) have been seted up to the preceding end wall below of baffle (17), and the inside fixed mounting of opening (18) has ventilation net (19).