CN211008275U

CN211008275U - Automatic ventilation mechanism of civil air defense door

Info

Publication number: CN211008275U
Application number: CN201921818562.1U
Authority: CN
Inventors: 卫占伟; 郭俊伟; 马道; 李光辉; 彭国强; 理开放; 刘娟; 张锟明
Original assignee: Henan Bangxing Protective Equipment Co ltd
Current assignee: Henan Bangxing Protective Equipment Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-07-14
Anticipated expiration: 2029-10-28

Abstract

The utility model provides an automatic formula ventilation mechanism of people's air defense door, two inside windows that all are equipped with on all being formed with cavity and the door plant of door plant, the inside ventilation assembly that all is equipped with of cavity, ventilation assembly include the pivot, be close to in the pivot one serve be fixed with driven conical gear and back shaft and be fixed with driven conical gear engaged with initiative conical gear, the pivot keep away from driven conical gear serve be fixed with a plurality of drive gear and with the rack between intermeshing, be fixed with filtering component on the rack, filtering component includes the carriage, be fixed with a plurality of ventilation fans on the carriage, the below of carriage is equipped with baffle and the baffle of fixing on the rack and the size of window is the same. Can follow opening and closing of people's air defense door and carry out automatic opening and close ventilation unit, reduce the degree of difficulty of opening ventilation unit, reduce ventilation unit's damage simultaneously.

Description

Automatic ventilation mechanism of civil air defense door

Technical Field

The utility model relates to a people's air defense door equipment technical field especially relates to an automatic formula ventilation mechanism of people's air defense door.

Background

The civil air defense door is a door of an entrance and an exit of civil protection engineering, and the classification of the civil air defense door is more distinct, and the civil air defense door comprises various civil air defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, a movable door threshold single-leaf and double-leaf protective airtight doors and the like. People's air defense is also called civil defense, which is an international common word and is an activity that governments mobilize and organize the masses, take measures of air attack prevention, disaster resistance and relief, implement rescue actions and prevent and reduce disaster harm. People's air defense door belongs to civil defense protective equipment. When the protective door is used, if the situation of long time is met, the protective door needs to be used for a long time, and therefore a necessary ventilation device needs to be set up. But ventilation unit and guard gate all set up separately at present, not only can increase more intensity in the installation, still can cause danger simultaneously. The protective door is normally opened generally, and ventilation unit inoperative this moment, but ventilation unit is normally open state always at present, and ventilation unit's long-time exposure causes its damage easily, is equipped with the device of worrying simultaneously on ventilation unit, and long-time normally open causes filter equipment's inefficacy easily. At present, a small part of civil air defense doors are provided with ventilation devices, but the long-time nonuse can cause the rusting of the ventilation devices, so that the opening is not easy to occur when the ventilation devices are opened, and the normal use of the ventilation devices is influenced.

SUMMERY OF THE UTILITY MODEL

To the situation, for overcoming the defect of prior art, the utility model aims at providing an automatic formula ventilation mechanism of people's air defense door, can open automatically when people's air defense door is closed, the difficult condition of opening when having avoided the manual work to open, closes under the condition that the guard gate was opened simultaneously, prevents that filter equipment from becoming invalid.

The solution is that, the automatic ventilation mechanism of the civil air defense door comprises a door frame, the left and the right sides of the door frame are both fixed with the same support shaft and two same door plates are arranged in the door frame, the two door plates are both internally provided with cavities and windows, the two cavities are both internally provided with ventilation components, each ventilation component comprises a rotating shaft, the rotating shaft is perpendicular to the support shaft and is rotatably arranged on the door plate, one end of the rotating shaft close to the support shaft is fixed with a driven bevel gear and the support shaft is fixed with a driving bevel gear meshed with the driven bevel gear, one end of the rotating shaft far away from the driven bevel gear is fixed with a plurality of driving gears and the driving gears are mutually meshed with racks, the racks are parallel to the support shaft and are slidably arranged in the cavities, the racks are fixed with filtering components, and the filtering components comprise support frames, the window is characterized in that a plurality of ventilating fans are fixed on the supporting frame, a filter screen is fixed on the supporting frame, a baffle fixed on the rack is arranged below the supporting frame, and the baffle is the same as the window in size.

Preferably, the two driving gears are distributed on two sides of the window, the two racks are respectively meshed with the two driving gears, and the two sides of the supporting frame and the two sides of the baffle are fixedly connected with the two racks.

Preferably, sealing surfaces are arranged on the supporting frame and the baffle plate, the surfaces of the supporting frame and the baffle plate are in contact with the door plate, and lubricating oil is arranged at the rotating connection position between the rotating shaft and the door plate and the sliding connection position between the rack and the door plate.

Preferably, the door panel is rotatably provided with a window at the position of the window, and the window is positioned on the side opposite to the opening direction of the door panel.

The utility model has the advantages that: can be when the people's air defense door is closed automatically open ventilation unit and self-closing ventilation unit when the people's air defense door is opened, reduce the naked time of ventilation unit, reduce the work of later stage maintenance, avoid because long-time placing the condition that leads to ventilation unit to be difficult to open appears, the degree of difficulty when reducing ventilation unit and opening.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1, an automatic ventilation mechanism for a civil air defense door comprises a door frame 1 and is characterized in that the left side and the right side of the door frame 1 are both fixed with the same support shaft 2, two identical door plates 3 are arranged in the door frame 1, cavities 4 are formed in the two door plates 3, windows 5 are arranged on the door plates 3, ventilation components are arranged in the two cavities 4 and comprise rotating shafts 6, the rotating shafts 6 are perpendicular to the support shafts 2 and are rotatably arranged on the door plates 3, a driven bevel gear 7 is fixed on one end of each rotating shaft 6 close to the support shaft 2, a driving bevel gear 8 meshed with the driven bevel gear 7 is fixed on the support shaft 2, a plurality of driving gears 9 are fixed on one end of each rotating shaft 6 far away from the driven bevel gear 7, the driving gears 9 are meshed with racks 10, the racks 10 are parallel to the support shafts 2 and are slidably arranged in the cavities 4, be fixed with filtering component on the rack 10, filtering component includes carriage 11, be fixed with a plurality of ventilating fans 12 on carriage 11, be fixed with the filter screen on carriage 11, the below of carriage 11 is equipped with baffle 13 and baffle 13 that fix on rack 10 and the size of window 5 is the same.

This device is when using, when the civil air defense door is in when opening, the baffle 13 of 3 cavities 4 inside of door plant is located the position of window 5 for door plant 3 is in the confined state, and ventilation fan 12 and the filter screen in the door plant 3 just are hidden in the cavity 4 of 3 insides of door plant, have avoided ventilation fan 12 and filter screen still to expose in the air under the condition that the civil air defense door was opened, make it can avoid lasting being infected by debris for long-time, lead to the inefficacy of filter screen. When the civil air defense door needs to be closed in an emergency, the door panel 3 is rotated to be closed, at the moment, the rotating shaft 6 in the door panel 3 rotates under the action of the driving bevel gear 8 fixed on the supporting shaft 2 and the driven bevel gear 7 fixed on the rotating shaft 6, the rotating shaft 6 rotates to drive the driving gear 9 fixed on the rotating shaft 6 to rotate, and the rack 10 meshed with the rotating shaft is driven to move, the rack 10 is slidably installed in the door panel 3, the driving gear 9 drives the rack 10 to slide up and down, the baffle 13 and the supporting frame 11 are fixed on the rack 10, the baffle 13 is positioned below the supporting frame 11, when the door panel 3 is closed, the rotating shaft 6 rotates along with the rack 10 to drive the rack 10 to slide down, so that the baffle 13 moves down and the supporting frame 11 moves down to the position of the window 5, the window 5 can be opened, the ventilation effect is achieved, and the ventilation effect can be increased by the ventilation, the filter screen can play a certain role in filtration. The ventilation device can be opened while the civil air defense door is closed, the phenomenon that the ventilation device is not easy to open due to long-time nonuse is avoided, the work that a ventilation channel needs to be additionally arranged is avoided, and the labor intensity of workers is reduced. When the civil air defense door is opened, the ventilation device can be closed at the same time so as to reduce the damage of the ventilation device and reduce the subsequent maintenance work.

The driving gears 9 are two and distributed on two sides of the window 5, the racks 10 are two and are respectively meshed with the two driving gears 9, and the two sides of the supporting frame 11 and the baffle 13 are fixedly connected with the two racks 10.

The two driving gears 9 and the rack 10 can increase the stability of the supporting frame 11 and the baffle 13, and the two driving gears 9 are fixed on the same rotating shaft 6 to achieve the effect of synchronous movement.

Sealing surfaces are arranged on the surfaces of the supporting frame 11 and the baffle 13, which are in contact with the door panel 3, and lubricating oil is arranged at the rotating connection position between the rotating shaft 6 and the door panel 3 and the sliding connection position between the rack 10 and the door panel 3.

The sealing surface can increase the sealing effect, the ventilation effect when the support frame 11 is located at the position of the window 5, and the sealing effect of the door panel 3 when the baffle 13 is located at the position of the window 5. In order to maintain a good rotating and sliding effect of the rotating shaft 6 and the rack 10 for a long time, the lubricating oil can maintain the effect well.

And a window door 14 is rotatably arranged on the door panel 3 at the position of the window 5, and the window door 14 is positioned on the side opposite to the opening direction of the door panel 3.

In order to avoid the situation that the ventilation device needs to be closed in an emergency situation when the civil air defense door is closed, the window door 14 is arranged on the door panel 3, and when the ventilation device needs to be closed, the window door 14 can be closed to achieve the closing effect, so that the danger is avoided. The window and door 14 is normally open.

The above-mentioned embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design concept of the present invention should be included in the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a people's air defense door is from dynamic formula ventilation mechanism, includes door frame (1), its characterized in that, door frame (1) left and right sides all is fixed with the same back shaft (2) just be equipped with two the same door plant (3) in door frame (1), all be equipped with window (5) on two door plant (3) inside all being formed with cavity (4) and door plant (3), two cavity (4) inside all is equipped with ventilation assembly, and ventilation assembly includes pivot (6), pivot (6) perpendicular to back shaft (2) and rotate and install on door plant (3), being close to one of back shaft (2) in pivot (6) and serving and being fixed with driven conical gear (7) and back shaft (2) and being fixed with initiative conical gear (8) with driven conical gear (7) engaged with, pivot (6) are kept away from one of driven conical gear (7) and serve and are fixed with a plurality of drive gears (9) just between a plurality of drive gears (9) and rack (10) Intermeshing, rack (10) are parallel and slidable mounting in cavity (4) with back shaft (2), be fixed with filtering component on rack (10), filtering component includes carriage (11), be fixed with a plurality of ventilation fans (12) on carriage (11), be fixed with the filter screen on carriage (11), the below of carriage (11) is equipped with baffle (13) and baffle (13) of fixing on rack (10) and the size of window (5) is the same.

2. The automatic ventilation mechanism of the civil air defense door as claimed in claim 1, wherein the two driving gears (9) are distributed on two sides of the window (5), the two racks (10) are respectively meshed with the two driving gears (9), and the two sides of the support frame (11) and the baffle (13) are fixedly connected with the two racks (10).

3. The automatic ventilation mechanism of the civil air defense door according to claim 1, characterized in that the surfaces of the support frame (11) and the baffle (13) contacting the door panel (3) are provided with sealing surfaces, and the rotating connection between the rotating shaft (6) and the door panel (3) and the sliding connection between the rack (10) and the door panel (3) are provided with lubricating oil.

4. The automatic ventilating mechanism for the civil air defense door according to claim 1, characterized in that the door panel (3) is rotatably provided with a window (14) at the position of the window (5) and the window (14) is positioned at the side opposite to the opening direction of the door panel (3).