CN211038396U - Civil air defense protective airtight door - Google Patents
Civil air defense protective airtight door Download PDFInfo
- Publication number
- CN211038396U CN211038396U CN201921857131.6U CN201921857131U CN211038396U CN 211038396 U CN211038396 U CN 211038396U CN 201921857131 U CN201921857131 U CN 201921857131U CN 211038396 U CN211038396 U CN 211038396U
- Authority
- CN
- China
- Prior art keywords
- door
- rack
- plate
- door frame
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model provides a people's air defense protective airtight door, there is the back shaft inside the door frame, first pivot is rotated and is installed on the door frame and be fixed with first driven bevel gear in the first pivot, be fixed with first gear in the first pivot, the inside first rack that is equipped with of first cavity, be fixed with first backup pad on the first rack, first backup pad is connected with the door frame closing plate, the second pivot is rotated and is installed on the door plant and be fixed with second driven bevel gear in the second pivot, fixed mounting has two static bevel gears in the first cavity, be fixed with the second gear in the second pivot, inside second rack and the second rack slidable mounting that is equipped with of second cavity are on the door plant, be fixed with the second backup pad on the second rack, the second backup pad is connected with the door plant closing plate. Can be better airtight carrying out under the state that the people's air defense door was closed, can follow the switching of door plant simultaneously and realize automatic airtight, convenient and fast, long service life.
Description
Technical Field
The utility model relates to a civil air defense engineering technical field especially relates to a civil air defense protective airtight door.
Background
Civil air defense engineering also calls civil air defense workers, and refers to underground protective buildings which are independently built for guaranteeing personnel and material shelter, civil air defense command and medical rescue in wartime, and basements which are built by combining ground buildings and can be used for air defense in wartime. The civil air defense engineering is an important facility for preventing enemies from attacking suddenly, effectively masking personnel and materials and preserving the potential of wars, and is an engineering guarantee for adhering to town battles and supporting anti-aggression wars to victory for a long time. With the rapid development of city construction, the construction of civil air defense projects also steps on the roads with high-speed development, and various protection projects are largely constructed in cities. The civil air defense door is an important component in civil air defense engineering, and the sealing of the civil air defense door directly influences whether personnel and materials are safe or not. Therefore, the airtight effect of the civil air defense door is the greatest importance, the airtight effect of the existing civil air defense door is not ideal, the used airtight structure is complex, the manufacturing cost of the civil air defense door is increased, the civil air defense door can vibrate due to the explosion in the war period, the airtight effect of the civil air defense door is seriously damaged, the airtight effect is easily deteriorated due to long-term vibration, and the personnel and the materials are damaged.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming the defect of prior art, the utility model aims at providing a people's air defense protective airtight door, the airtight effect of improvement people's air defense door that can show avoids harmful gas to cause the injury to personnel and goods and materials, can bear the vibrations that the explosion produced simultaneously, makes people's air defense door can remain good airtight state throughout in the war.
The solution is that a people's air-defense protective airtight door comprises a door frame and a door plate, wherein a first cavity is formed inside the door frame, a vertical supporting shaft is rotatably arranged in the first cavity, the door plate is fixedly connected with the supporting shaft, two door frame sealing assemblies are arranged inside the first cavity and are arranged in an up-and-down symmetrical manner, each door frame sealing assembly comprises a first rotating shaft which is perpendicular to the supporting shaft, the first rotating shaft is rotatably arranged on the door frame, a first driven bevel gear is coaxially fixed on one end, close to the supporting shaft, of the first rotating shaft, two first driving bevel gears are coaxially arranged on the supporting shaft and are respectively meshed with the two first driven bevel gears, a first gear is fixed on the first rotating shaft, a first rack is arranged inside the first cavity, the first rack is slidably arranged on the door frame, and the first rack is meshed with the first gear, a first supporting plate is fixed on one end of the first rack facing the door panel, a door frame sealing plate is connected on one side of the first supporting plate, which is far away from the first rack, a second cavity is formed in the door panel, two door panel sealing assemblies are arranged in the second cavity and are arranged symmetrically up and down, the two door panel sealing assemblies respectively comprise a second rotating shaft which is perpendicular to the supporting shaft, the second rotating shaft is rotatably arranged on the door panel, a second driven bevel gear is coaxially fixed on one end of the second rotating shaft, which is close to the supporting shaft, a second bevel gear is fixedly arranged in the first cavity, two bevel gears which are coaxial with the supporting shaft are fixedly arranged in the first cavity and are respectively meshed with the two second driven bevel gears, a second gear is fixed on the second rotating shaft, a second rack is arranged in the second cavity, the second rack is slidably arranged on the door panel, and the second rack is meshed with the second gear, one end of the second rack facing the door frame is fixedly provided with a second supporting plate, and one side of the second supporting plate departing from the second rack is connected with a door plate sealing plate.
Preferably, a plurality of vertical first guide rods are slidably mounted on the first supporting plate, one ends of the first guide rods, facing the door plate, are fixedly connected with the door frame sealing plate, and springs are sleeved on the first guide rods and are positioned between the first supporting plate and the door frame sealing plate.
Preferably, the second support plate is provided with a plurality of vertical second guide rods in a sliding manner, one end, facing the door frame, of each second guide rod is fixedly connected with the door plate sealing plate, and the plurality of second guide rods are sleeved with springs which are positioned between the second support plate and the door plate sealing plate.
Preferably, the cross section of the door frame sealing plate is trapezoidal, the cross section of the door plate sealing plate is concave, and the door frame sealing plate and the door plate sealing plate are made of rubber.
Preferably, the number of the first gears is two, and the door frame is provided with a first rack which corresponds to the number and the position of the first gears in a sliding manner.
Preferably, the number of the second gears is two, and the door panel is provided with a second rack which corresponds to the second gears in number and position in a sliding manner.
The utility model has the advantages that: can make the people's air defense door keep good tight effect when closing, guarantee personnel and goods and materials's safety, airtight subassembly can follow opening and closing of door plant simultaneously and separate and tightly close, has realized automatic use, convenient and fast. Meanwhile, when the sealing component is sealed, a good sealing effect is guaranteed, and the safety of personnel and materials is improved. And the adoption of spring connection can improve the shockproof effect of the device and prolong the service life of the device when the device is shocked due to explosion in war.
Drawings
Fig. 1 is a schematic front structural view of the present invention.
Fig. 2 is a schematic view of the sealing structure of the present invention.
Fig. 3 is a schematic cross-sectional view of the sealing structure 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, 2 and 3, a civil air defense protective airtight door comprises a door frame 1 and a door panel 2, and is characterized in that a first cavity 3 is formed inside the door frame 1, a vertical support shaft 4 is rotatably installed in the first cavity 3, the door panel 2 is fixedly connected with the support shaft 4, two door frame sealing assemblies are arranged inside the first cavity 3 and are arranged in an up-and-down symmetrical manner, each door frame sealing assembly comprises a first rotating shaft 5 which is vertically arranged with the support shaft 4, the first rotating shaft 5 is rotatably installed on the door frame 1, a first driven bevel gear 7 is coaxially fixed on one end of the first rotating shaft 5, which is close to the support shaft 4, two first driving bevel gears 6 are coaxially installed on the support shaft 4 and are respectively meshed with the two first driven bevel gears 7, a first gear 8 is fixed on the first rotating shaft 5, a first rack 9 is arranged inside the first cavity 3, and the first rack 9 is slidably installed on the door frame 1, the first rack 9 and the first gear 8 are engaged with each other, a first supporting plate 10 is fixed on one end of the first rack 9 facing the door panel 2, a door frame sealing plate 11 is connected on one side of the first supporting plate 10 departing from the first rack 9, a second cavity 12 is formed in the door panel 2, two door panel sealing assemblies are arranged in the second cavity 12 and are vertically symmetrical, each door panel sealing assembly comprises a second rotating shaft 13 which is vertically arranged with the supporting shaft 4, the second rotating shaft 13 is rotatably arranged on the door panel 2, a second driven bevel gear 14 is coaxially fixed on one end of the second rotating shaft 13 close to the supporting shaft 4, two static bevel gears 15 which are coaxial with the supporting shaft 4 are fixedly arranged in the first cavity 3, the two static bevel gears 15 are respectively engaged with the two second driven bevel gears 14, a second gear 16 is fixed on the second rotating shaft 13, the inside second rack 17 that is equipped with of second cavity 12 and second rack 17 slidable mounting are on door plant 2, intermeshing between second rack 17 and the second gear 16, be fixed with second backup pad 18 on the one end of second rack 17 towards door frame 1, one side that second backup pad 18 deviates from second rack 17 is connected with door plant closing plate 19.
When the device is used, when the door panel 2 is in an open state, the door frame sealing plate 11 is separated from the door panel sealing plate 19, when the door panel 2 needs to be closed, the door panel 2 is fixedly connected with the supporting shaft 4, the supporting shaft 4 is rotatably installed in the door frame 1, when the door panel 2 rotates, the supporting shaft 4 is driven to rotate, the first driving bevel gear fixed on the supporting shaft 4 is driven to rotate, the first driving bevel gear 6 drives the first driven bevel gear 7 meshed with the first driving bevel gear to rotate so as to drive the first rotating shaft 5 to rotate, the first rotating shaft 5 is fixed with the first gear 8 and meshed with the first rack 9, the first rack 9 is slidably installed on the door frame 1, so that the first rack 9 is driven to slide up and down when the first rotating shaft 5 rotates, the first supporting plate is fixed on the first rack 9, and the door frame sealing plate 11 is connected on the first supporting plate 10, therefore, the door panel 2 can drive the door frame sealing plate 11 to move up and down when rotating, the door frame sealing plate 11 can move towards the door panel 2 when the door panel 2 is closed, and the door frame sealing plate 11 can move towards the opposite direction when the door panel 2 is opened. A second cavity 12 is formed inside the door panel 2 and is provided with a door panel 2 sealing component, a static bevel gear 15 is fixed inside the first cavity 3 and is coaxial with the supporting shaft 4, so when the supporting shaft 4 rotates, the static bevel gear 15 cannot rotate, a second driven bevel gear 14 is meshed with the supporting shaft and is fixed with a second rotating shaft 13, the second rotating shaft 13 can rotate along with the rotation of the door panel 2, after the second rotating shaft 13 rotates, the second rotating shaft can drive a second gear 16 fixed on the second rotating shaft 13 to rotate, the second gear 16 rotates to drive a second rack 17 meshed with the second gear to move up and down, a second supporting plate 18 is fixed on the second rack 17, the second supporting plate 18 is connected with a door panel sealing plate 19, the door panel sealing plate 19 can move up and down along with the movement of the second rack 17, when the door panel 2 is closed, the door panel sealing plate 19 can move towards the door frame 1, the door sealing plate 19 moves in the opposite direction when the door 2 is opened. So when door plant 2 closed, two first racks 9 can make door frame closing plate 11 remove to door plant 2's direction and two second racks 17 can make door plant closing plate 19 remove to door frame 1's direction, make door frame closing plate 11 and door plant closing plate 19 in close contact with, realize the effective seal to the crack, prevent that harmful gas from advancing revealing, guarantee personnel and goods and materials's safety. Meanwhile, the door frame sealing plate 11 and the door plate sealing plate 19 can be separated due to the opening of the door plate 2 and move towards opposite directions respectively, the door plate 2 cannot be opened and influenced, and the normal opening and closing of the door plate 2 are guaranteed. Meanwhile, the sealing assembly can be separated along with the opening of the door plate 2 and can be tightly closed along with the closing of the door plate 2, so that automatic tight closing is realized, and convenience and rapidness in use are improved.
A plurality of vertical first guide rods 20 are slidably mounted on the first support plate 10, one end of each first guide rod 20, facing the door panel 2, is fixedly connected with the doorframe sealing plate 11, and springs are sleeved on the first guide rods 20 and are located between the first support plate 10 and the doorframe sealing plate 11.
In order to make the sealing effect better, a spring is erected between the first supporting plate 10 and the door frame sealing plate 11, a pretightening force is applied during sealing, the sealing effect can be increased, and the first guide rod 20 can prevent the door frame sealing plate 11 from deviating when moving up and down. Meanwhile, the spring connection is adopted, so that the shockproof effect of the device can be improved, and the service life of the device in case of shock caused by explosion in war is prolonged.
A plurality of vertical second guide rods 21 are slidably mounted on the second support plate 18, one end of each second guide rod 21, facing the door frame 1, is fixedly connected with the door plate sealing plate 19, and springs are sleeved on the second guide rods 21 and are located between the second support plate 18 and the door plate sealing plate 19.
In order to improve the sealing effect, a spring is arranged between the second supporting plate 18 and the door panel sealing plate 19, a pretightening force is applied during sealing, the sealing effect can be improved, and meanwhile, the second guide rod 21 can prevent the door panel sealing plate 19 from deviating during up-and-down movement. Meanwhile, the spring connection is adopted, so that the shockproof effect of the device can be improved, and the service life of the device in case of shock caused by explosion in war is prolonged.
The cross section of the door frame sealing plate 11 is trapezoidal, the cross section of the door plate sealing plate 19 is concave, and the door frame sealing plate 11 and the door plate sealing plate 19 are made of rubber.
The cross section is trapezoidal door frame closing plate 11 makes its tip face be "concave" type door plant closing plate 19 towards the cross section, can make in close contact with between door frame closing plate 11 and the door plant closing plate 19, and door frame closing plate 11 and door plant closing plate 19 all adopt rubber material simultaneously, increase its effect when airtight.
The quantity of first gear 8 is two and slidable mounting has and corresponds first rack 9 with first gear 8 quantity and position homogeneous phase on door frame 1.
The plurality of first gears 8 and the plurality of first racks 9 are arranged to increase the stability of the doorframe sealing plate 11 during movement, and the doorframe sealing plate is driven by the same rotating shaft to be always kept in a horizontal state. Prevent the occurrence of variation and the possibility of the reduction of the sealing effect.
The number of the second gears 16 is two, and the door panel 2 is provided with a second rack 17 corresponding to the number and the position of the second gears 16 in a sliding way.
The arrangement of the plurality of second gears 16 and the plurality of second racks 17 increases the smoothness of the door panel sealing plate 19 during movement, and the door panel sealing plate is driven by the same rotating shaft to be always kept in a horizontal state. Prevent the occurrence of variation and the possibility of the reduction of the sealing effect.
The utility model has the advantages that: can make the people's air defense door keep good tight effect when closing, guarantee personnel and goods and materials's safety, airtight subassembly can follow opening and closing of door plant simultaneously and separate and tightly close, has realized automatic use, convenient and fast. Meanwhile, when the sealing component is sealed, a good sealing effect is guaranteed, and the safety of personnel and materials is improved. And the adoption of spring connection can improve the shockproof effect of the device and prolong the service life of the device when the device is shocked due to explosion in war.
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 (6)
1. A civil air defense protective airtight door comprises a door frame (1) and a door panel (2), and is characterized in that a first cavity (3) is formed inside the door frame (1), a vertical supporting shaft (4) is rotatably installed in the first cavity (3), the door panel (2) is fixedly connected with the supporting shaft (4), two groups of door frame sealing assemblies are arranged inside the first cavity (3) and are arranged in an up-and-down symmetrical manner, each group of door frame sealing assemblies comprises a first rotating shaft (5) which is vertically arranged with the supporting shaft (4), the first rotating shaft (5) is rotatably installed on the door frame (1), a first driven bevel gear (7) is coaxially fixed on one end of the first rotating shaft (5) close to the supporting shaft (4), two first driving bevel gears (6) are coaxially installed on the supporting shaft (4) and are respectively meshed with the two first driven bevel gears (7), a first gear (8) is fixed on the first rotating shaft (5), a first rack (9) is arranged in the first cavity (3), the first rack (9) is slidably mounted on the door frame (1), the first rack (9) and the first gear (8) are meshed with each other, a first supporting plate (10) is fixed on one end of the first rack (9) facing the door panel (2), one side of the first supporting plate (10) departing from the first rack (9) is connected with a door frame sealing plate (11), a second cavity (12) is formed in the door panel (2), two door panel sealing assemblies are arranged in the second cavity (12) and are vertically and symmetrically arranged, each door panel sealing assembly comprises a second rotating shaft (13) vertically arranged with the supporting shaft (4), the second rotating shaft (13) is rotatably mounted on the door panel (2), and a second driven bevel gear (14) is coaxially fixed on one end, close to the supporting shaft (4), of the second rotating shaft (13), two fixed bevel gears (15) which are coaxial with the supporting shaft (4) are fixedly arranged in the first cavity (3), the two fixed bevel gears (15) are respectively meshed with the two second driven bevel gears (14), a second gear (16) is fixed on the second rotating shaft (13), a second rack (17) is arranged inside the second cavity (12), the second rack (17) is slidably arranged on the door plate (2), the second rack (17) is meshed with the second gear (16), a second supporting plate (18) is fixed on one end, facing the door frame (1), of the second rack (17), and a door plate sealing plate (19) is connected to one side, deviating from the second rack (17), of the second supporting plate (18).
2. The people's air-defense protective airtight door according to claim 1, wherein a plurality of vertical first guide rods (20) are slidably mounted on the first supporting plate (10), one end of each first guide rod (20) facing the door panel (2) is fixedly connected with the door frame sealing plate (11), and springs are sleeved on the plurality of first guide rods (20) and positioned between the first supporting plate (10) and the door frame sealing plate (11).
3. The people's air-defense protective airtight door according to claim 1, characterized in that a plurality of vertical second guide rods (21) are slidably mounted on the second support plate (18), one end of the second guide rods (21) facing the door frame (1) is fixedly connected with the door panel sealing plate (19), and springs are sleeved on the second guide rods (21) and positioned between the second support plate (18) and the door panel sealing plate (19).
4. The civil air defense protective airtight door of claim 1, wherein the cross section of the door frame sealing plate (11) is trapezoidal, the cross section of the door plate sealing plate (19) is concave, and the door frame sealing plate (11) and the door plate sealing plate (19) are made of rubber.
5. People's air-defense protective airtight door according to claim 1, characterized in that the number of the first gears (8) is two and the door frame (1) is provided with a first rack (9) corresponding to the number and the position of the first gears (8).
6. People air-defense protective airtight door according to claim 1, characterized in that the number of the second gears (16) is two and a second rack (17) corresponding to the number and the position of the second gears (16) is slidably mounted on the door panel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921857131.6U CN211038396U (en) | 2019-10-31 | 2019-10-31 | Civil air defense protective airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921857131.6U CN211038396U (en) | 2019-10-31 | 2019-10-31 | Civil air defense protective airtight door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211038396U true CN211038396U (en) | 2020-07-17 |
Family
ID=71531535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921857131.6U Active CN211038396U (en) | 2019-10-31 | 2019-10-31 | Civil air defense protective airtight door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211038396U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252938A (en) * | 2020-10-20 | 2021-01-22 | 马彦兵 | Aluminum alloy door and window with sound insulation and heat insulation functions |
| CN112412291A (en) * | 2020-11-18 | 2021-02-26 | 深圳市宝安永福实业有限公司 | Modular fireproof door and installation method thereof |
-
2019
- 2019-10-31 CN CN201921857131.6U patent/CN211038396U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112252938A (en) * | 2020-10-20 | 2021-01-22 | 马彦兵 | Aluminum alloy door and window with sound insulation and heat insulation functions |
| CN112412291A (en) * | 2020-11-18 | 2021-02-26 | 深圳市宝安永福实业有限公司 | Modular fireproof door and installation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211038396U (en) | Civil air defense protective airtight door | |
| CN109209185A (en) | A kind of civil air defense constructions and installations multifunctional containment protective door structure | |
| CN211736940U (en) | Explosion-proof broken door of civil air defense engineering | |
| CN203717014U (en) | Novel explosion-proof apparatus for return air vertical shaft | |
| CN102941629B (en) | Shutter type dust protection cover for cutting test of cutting tooth | |
| CN110259513B (en) | Reinforced concrete single-leaf protective safety airtight door and using method thereof | |
| CN110295835A (en) | A kind of airtight blast door with improved blocking mechanism | |
| CN114050498B (en) | Shutter locking mechanism and switch cabinet thereof | |
| CN211500377U (en) | Subway interval threshold protective sealing partition door | |
| CN210355788U (en) | Fire hydrant box body | |
| CN211397268U (en) | High-resistance civil air defense camouflage door | |
| CN211008132U (en) | Civil air defense door strutting arrangement | |
| CN219220088U (en) | Civil air defense door locking structure | |
| CN209817828U (en) | Bidirectional stress protective airtight door | |
| CN106255360A (en) | A kind of liftable regulator cubicle cabinet door gear | |
| CN212583546U (en) | Steel structure airtight door | |
| CN217420984U (en) | Sliding type civil air defense door | |
| CN218258127U (en) | High strength motor car shrouding | |
| CN220267180U (en) | Curtain wall construction platform | |
| CN218265588U (en) | Steel construction protective airtight door | |
| CN211448381U (en) | People's air defense cuts off door structure | |
| CN219412308U (en) | Airtight observation window structure of people's air defense | |
| CN219910524U (en) | Double-leaf type steel structure protective airtight door | |
| CN214273400U (en) | Emergency device for civil air defense door | |
| CN211313924U (en) | Airtight shielding structure of people's air defense |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |