CN212130305U

CN212130305U - Civil air defense door with ventilation function

Info

Publication number: CN212130305U
Application number: CN202020410802.0U
Authority: CN
Inventors: 李竹平; 刘二强
Original assignee: Tianjin Zhonghe Hengtai Civil Defense Engineering Protection Equipment Co ltd
Current assignee: Tianjin Zhonghe Hengtai Civil Defense Engineering Protection Equipment Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-12-11
Anticipated expiration: 2030-03-27

Abstract

The utility model provides a people's air defense door with ventilation function, include the door frame and articulate the door body on the door frame, the inside of the door body is equipped with the installation cavity, the inside of installation cavity is equipped with the lead screw, threaded connection has the screw on the lead screw, the upper and lower both sides of screw all are equipped with the inserted bar of L type, be equipped with on the door frame and supply inserted bar male slot, the other end of two inserted bars all runs through installation cavity and the door body and inserts in the slot, one side that two inserted bars deviate from mutually all is equipped with the slider, all be equipped with the slide rail on the interior roof of installation cavity and the interior diapire, the outside of the door body is equipped with the runner, be equipped with the pivot on the runner, the cover is equipped with first bevel gear in the pivot, be equipped with second bevel gear on the lead screw, be equipped with at least one helping hand pole that matches with the runner shape and the stopper that sets up with helping hand pole tip, the lower part of the.

Description

Civil air defense door with ventilation function

Technical Field

The utility model relates to a people's air defense door technical field especially relates to a people's air defense door with ventilation function.

Background

The civil defense door is a door of an entrance and an exit of civil protection engineering, and the classification of the civil defense door is more distinct, and the civil defense door comprises various civil defense devices such as common single-leaf and double-leaf protective airtight doors and airtight doors, a movable threshold single-leaf, double-leaf protective airtight doors and the like; people's air defense is also called civil defense, which is an international common word, and English CIVIL DEFENCE, is a movement for government mobilization and organization of the masses, and takes measures of air attack prevention, disaster resistance and relief, implements rescue actions, and prevents and alleviates disaster harm. Most of the existing civil air defense doors are not provided with a ventilation device, and the ventilation can be realized only by opening a door body when ventilation is needed, so that the ventilation is troublesome; and the rotating wheel for opening the door body is mostly not provided with a power assisting device, so that the use is very laborious and the use requirement can not be well met.

Disclosure of Invention

The utility model discloses just to above technical problem, provide a people's air defense door with ventilation function.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a civil air defense door with a ventilation function comprises a door frame and a door body, and is characterized in that one side of the door body is hinged with the door frame, a sealing gasket is arranged at the contact part of the door frame and the door body, a window is arranged at the upper part of the door body, explosion-proof glass is arranged inside the window, an installation cavity is arranged inside the door body, a lead screw is arranged inside the installation cavity, a screw nut is connected with the lead screw in a threaded manner, L-shaped insert rods are arranged on the upper side and the lower side of the screw nut, a slot for inserting the insert rod is arranged on the door frame, the other ends of the two insert rods penetrate through the installation cavity and the door body and are inserted into the slot, a sliding block is arranged on the side, which is opposite to the two insert rods, sliding rails for sliding the sliding block are arranged on the inner top wall and the inner bottom wall of the installation cavity, a rotating wheel is arranged on the outer side of the, be equipped with at least one on the runner with runner shape assorted helping hand pole and with the stopper that helping hand pole tip matches the setting, and the stopper is fixed to be set up on the runner, the both ends of helping hand pole all are equipped with the connecting hole, the upper and lower both sides of two stoppers on the runner all are equipped with the mounting hole that corresponds the setting with the connecting hole, the one end of helping hand pole is passed through to insert the bull stick in connecting hole and mounting hole and is connected with runner detachable rotation, the outside of the door body is equipped with the stop device of runner rotation when preventing the door body to close, the lower part of the door body is equipped with ventilation unit, ventilation unit includes the vent, the guide slot of intercommunication vent with through elevating system slip setting in the guide.

The outside parcel of door body has fire-retardant layer, and the outside parcel of fire-retardant layer has the vacuum insulating layer, and the outside parcel of vacuum insulating layer has explosion-proof fiber layer.

The runner includes inner circle, outer lane and connects a plurality of splice bars of inner circle and outer lane, and helping hand pole and the outer lane detachable of runner rotate the setting, and the outer lane of stopper and runner is fixed to be set up.

The limiting device comprises a limiting rod hinged to the outer side of the door body, and limiting grooves for the limiting rod to insert are correspondingly formed in the outer rings of the power-assisted rod and the rotating wheel.

The inside mounting of vent has the fan, and the inside of the both sides vent of fan all is equipped with the filter screen.

The lifting mechanism comprises a double-sided rack arranged in the middle of the upper end of the sealing cover, gears meshed with the double-sided rack are arranged on two sides of the double-sided rack, and the gears are driven to rotate by a motor.

The guide groove comprises a lower guide groove with the width equal to that of the sealing cover, a middle guide groove with the width larger than that of the sealing cover and an upper guide groove with the width larger than that of the double-sided rack, the sealing cover is arranged inside the lower guide groove in a sliding mode, and the gear is arranged inside the middle guide groove.

Compared with the prior art, the beneficial effects of the utility model are that: when ventilation is needed, the sealing cover is driven to move away from the ventilation opening only by the rotation of the motor driving gear; the power-assisted rod arranged on the runner not only increases torque force, but also can realize that a plurality of people operate the runner forcibly, and the use effect is better.

Drawings

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

in the figure: 1. a door frame; 2. a door body; 3. a gasket; 4. explosion-proof glass; 5. a mounting cavity; 6. a screw rod; 7. a nut; 8. inserting a rod; 9. a slider; 10. a booster lever; 11. a limiting block; 12. a vent; 13. a sealing cover; 14. an inner ring; 15. an outer ring; 16. connecting ribs; 17. a limiting rod; 18. a double-sided rack; 19. a gear; 20. a lower guide groove; 21. a middle guide groove; 22. an upper guide groove; 23. a fan.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

as shown in figure 1, a civil air defense door with a ventilation function comprises a door frame 1 and a door body 2, one side of the door body 2 is hinged with the door frame 1, a sealing gasket 3 is arranged at the contact part of the door frame 1 and the door body 2, a window is arranged at the upper part of the door body 2, explosion-proof glass 4 is arranged inside the window, an installation cavity 5 is arranged inside the door body 2, a lead screw 6 is arranged inside the installation cavity 5, a screw nut 7 is connected onto the lead screw 6 in a threaded manner, L-shaped inserting rods 8 are respectively arranged at the upper side and the lower side of the screw nut 7, an inserting groove for inserting the inserting rod 8 is arranged on the door frame 1, the other ends of the two inserting rods 8 penetrate through the installation cavity 5 and the door body 2 and are inserted into the inserting groove, a sliding block 9 is arranged at one side opposite to the two inserting rods 8, sliding rails for sliding the sliding block 9 are respectively arranged on the inner top wall and the inner bottom wall of the installation cavity 5, the cover is equipped with the second bevel gear with first bevel gear meshing on the lead screw 6, be equipped with at least one with runner shape assorted helping hand pole 10 on the runner and with the stopper 11 that helping hand pole 10 tip matches the setting, and stopper 11 is fixed to be set up on the runner, the both ends of helping hand pole 10 all are equipped with the connecting hole, the upper and lower both sides of two stopper 11 on the runner all are equipped with the mounting hole that corresponds the setting with the connecting hole, the one end of helping hand pole 10 is connected through inserting the bull stick in connecting hole and mounting hole and rotating with runner detachable, the outside of the door body 2 is equipped with the stop device who prevents the rotatory runner of the door body 2 when closing, the lower part of the door body 2 is equipped with ventilation unit, ventilation unit includes vent 12, the guide slot of intercommunication vent 12 with slide through elevating system and set up.

The outside parcel of door body 2 has fire-retardant layer, and the outside parcel of fire-retardant layer has the vacuum insulating layer, and the outside parcel of vacuum insulating layer has explosion-proof fiber layer.

The runner includes inner circle 14, outer lane 15 and connects a plurality of splice bars 16 of inner circle 14 and outer lane 15, and helping hand pole 10 and the outer lane 15 detachable rotation setting of runner, and stopper 11 and the outer lane 15 fixed settings of runner.

The limiting device comprises a limiting rod 17 hinged to the outer side of the door body 2, and limiting grooves for inserting the limiting rod 17 are correspondingly formed in the outer rings 15 of the power-assisted rod 10 and the rotating wheel.

The inside of vent 12 is installed with fan 23, and the inside of vent 12 of the both sides of fan 23 all is equipped with the filter screen.

The lifting mechanism comprises a double-sided rack 18 arranged in the middle of the upper end of the sealing cover 13, gears 19 meshed with the double-sided rack 18 are arranged on two sides of the double-sided rack 18, and the gears 19 are driven to rotate by a motor.

The guide grooves comprise a lower guide groove 20 with the width equal to that of the sealing cover 13, a middle guide groove 21 with the width larger than that of the sealing cover 13 and an upper guide groove 22 with the width larger than that of the double-sided rack 18, the sealing cover 13 is arranged inside the lower guide groove 20 in a sliding mode, and the gear 19 is arranged inside the middle guide groove 21.

The utility model discloses when normal closed state, fix the both ends of helping hand pole 10 on two mounting holes that correspond to set up on the runner respectively through the bull stick, when the door body 2 is opened to needs, can select the direction of opening helping hand pole 10 as required, when opening the door body 2 promptly, dismantle one end of helping hand pole 10 as required, and the one end that two helping hand poles 10 dismantled is the one end far away from, later utilize two helping hand poles 10 to rotate the runner can; when the door body 2 is closed, one end of the boosting rod 10 which is detached previously is installed on the rotating wheel, the other end of the boosting rod 10 is detached, and then the rotating wheel is rotated in the opposite direction by utilizing the two boosting rods 10; the torque force can be improved through the arranged power-assisted rod 10, and the force can be applied to the rotating wheel by a plurality of people at the same time; when ventilation is needed, the motor is only needed to be started, the motor drives the gear 19 to rotate so as to drive the double-sided rack 18 to ascend and further drive the sealing cover 13 to move away from the ventilation opening 12, and therefore the ventilation function can be achieved, and the ventilation device is very convenient and fast.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A civil air defense door with a ventilation function comprises a door frame (1) and a door body (2), and is characterized in that one side of the door body (2) is hinged with the door frame (1), a sealing gasket (3) is arranged at the contact position of the door frame (1) and the door body (2), a window is arranged on the upper portion of the door body (2), explosion-proof glass (4) is arranged inside the window, an installation cavity (5) is arranged inside the door body (2), a lead screw (6) is arranged inside the installation cavity (5), a screw nut (7) is in threaded connection with the lead screw (6), L-shaped insertion rods (8) are arranged on the upper side and the lower side of the screw nut (7), insertion slots for the insertion rods (8) to be inserted are formed in the door frame (1), the other ends of the two insertion rods (8) penetrate through the installation cavity (5) and the door body (2) to be inserted into the insertion slots, sliding rails (9) are arranged on the sides of the two insertion rods (8) which are deviated from each other, sliding rails for the sliding of, the outer side of the door body (2) is provided with a rotating wheel, the rotating wheel is provided with a rotating shaft, the rotating shaft positioned in the installation cavity (5) is sleeved with a first bevel gear, the screw rod (6) is sleeved with a second bevel gear meshed with the first bevel gear, the rotating wheel is provided with at least one power-assisted rod (10) matched with the shape of the rotating wheel and a limiting block (11) matched with the end part of the power-assisted rod (10), the limiting block (11) is fixedly arranged on the rotating wheel, both ends of the power-assisted rod (10) are provided with connecting holes, the upper side and the lower side of the two limiting blocks (11) on the rotating wheel are provided with installation holes corresponding to the connecting holes, one end of the power-assisted rod (10) is detachably and rotatably connected with the rotating wheel by inserting the rotating rod into the connecting holes and the installation holes, the outer side of the door body (2) is provided with, the ventilation device comprises a ventilation opening (12), a guide groove communicated with the ventilation opening (12), and a sealing cover (13) which is arranged in the guide groove in a sliding mode through a lifting mechanism and can seal the ventilation opening (12).

2. The civil air defense door with the ventilation function as claimed in claim 1, wherein the door body (2) is wrapped with a flame retardant layer, the flame retardant layer is wrapped with a vacuum heat insulation layer, and the vacuum heat insulation layer is wrapped with an explosion-proof fiber layer.

3. The civil air defense door with the ventilation function as claimed in claim 1, wherein the runner comprises an inner ring (14), an outer ring (15) and a plurality of connecting ribs (16) connecting the inner ring (14) and the outer ring (15), the power-assisted rod (10) and the outer ring (15) of the runner are detachably and rotatably arranged, and the limiting block (11) and the outer ring (15) of the runner are fixedly arranged.

4. The civil air defense door with the ventilation function according to claim 3, characterized in that the limiting device comprises a limiting rod (17) hinged at the outer side of the door body (2), and a limiting groove for inserting the limiting rod (17) is correspondingly arranged on each of the boosting rod (10) and the outer ring (15) of the runner.

5. The civil air defense door with the ventilation function according to claim 1, characterized in that a fan (23) is installed inside the ventilation opening (12), and filter screens are arranged inside the ventilation openings (12) at two sides of the fan (23).

6. The civil air defense door with the ventilation function as claimed in claim 1, wherein the lifting mechanism comprises a double-sided rack (18) arranged in the middle of the upper end of the sealing cover (13), gears (19) meshed with the double-sided rack (18) are arranged on two sides of the double-sided rack (18), and the gears (19) are driven to rotate by a motor.

7. The civil air defense door with the ventilation function according to claim 6, characterized in that the guide grooves comprise a lower guide groove (20) having a width equal to that of the sealing cover (13), a middle guide groove (21) having a width greater than that of the sealing cover (13), and an upper guide groove (22) having a width greater than that of the double-sided rack (18), the sealing cover (13) is slidably disposed inside the lower guide groove (20), and the gear (19) is disposed inside the middle guide groove (21).