CN219864720U - Anti-impact noise-reduction civil air defense door leaf - Google Patents
Anti-impact noise-reduction civil air defense door leaf Download PDFInfo
- Publication number
- CN219864720U CN219864720U CN202321249640.7U CN202321249640U CN219864720U CN 219864720 U CN219864720 U CN 219864720U CN 202321249640 U CN202321249640 U CN 202321249640U CN 219864720 U CN219864720 U CN 219864720U
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- China
- Prior art keywords
- door leaf
- air defense
- civil air
- sound insulation
- defense door
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- 230000007123 defense Effects 0.000 title claims abstract description 33
- 239000010410 layer Substances 0.000 claims abstract description 39
- 238000009413 insulation Methods 0.000 claims abstract description 35
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 239000011241 protective layer Substances 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims description 21
- 229920000728 polyester Polymers 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000011490 mineral wool Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 4
- 230000035515 penetration Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model provides an anti-impact noise-reduction civil air defense door leaf which comprises a front panel, a door leaf outer frame, a rear panel and reinforcing frameworks arranged on the inner side of the door leaf outer frame, wherein the reinforcing frameworks comprise transverse reinforcing frameworks and longitudinal reinforcing frameworks, the number of the transverse reinforcing frameworks is 3, the number of the longitudinal reinforcing frameworks is 2, and wavy buffer elastic sheets are arranged in the reinforcing frameworks. According to the utility model, the protective layers are coated on the inner side, the outer side and the outer side of the door leaf outer frame and the front panel, and the wavy buffer elastic pieces are arranged in the reinforced framework, so that the impact resistance of the civil air defense door leaf can be effectively improved, the sound insulation effect of the civil air defense door leaf is improved through the cooperation of the sound insulation felt and the sound insulation plate, the waterproof film adhered to the surface of the sound insulation layer is waterproof, meanwhile, the damage caused by the penetration of moisture in the door leaf is prevented, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of civil air defense engineering, in particular to an anti-impact noise-reduction civil air defense door leaf.
Background
The civil air defense door is a door at the entrance and the exit of civil protection engineering, has a closed blocking function, is used for protecting refuge crowds, blocks the explosion and killing function, and can play a significant role at the time of crisis. The existing civil air defense door is simple in structure, single in function and poor in shock resistance, does not have a good sound insulation effect, and sound is easily transmitted to the outside through the civil air defense door, so that the outside environment has larger noise, noise pollution is caused, and living of people around is seriously affected.
Disclosure of Invention
The utility model provides an anti-impact noise-reduction civil air defense door leaf, which solves the problems that the existing civil air defense door is poor in anti-impact performance and does not have a good sound insulation effect. The utility model provides an anti-impact noise-reduction civil air defense door leaf which comprises a front panel, a door leaf outer frame, a rear panel and reinforcing frameworks arranged on the inner side of the door leaf outer frame, wherein the reinforcing frameworks comprise transverse reinforcing frameworks and longitudinal reinforcing frameworks, the total number of the transverse reinforcing frameworks is 3, the total number of the longitudinal reinforcing frameworks is 2, the reinforcing frameworks are transversely and longitudinally staggered and uniformly distributed to form a plurality of cavities, a protective layer, a first polyester fiber layer, a sound insulation layer and a second polyester fiber layer are sequentially arranged in the cavities from front to back, the door leaf outer frame, the inner side, the outer side and the outer side of the front panel are coated with the protective layer, and the inner side of the reinforcing frameworks is provided with wavy buffer elastic sheets.
Preferably, the front panel, the door leaf outer frame, the rear panel and the reinforcing framework arranged on the inner side of the door leaf outer frame are all made of Q235B steel, and are fixed in a full-welded mode, so that the impact resistance of the civil air defense door leaf can be increased.
Preferably, the protective layer is made of an anti-explosion POZD material, the door leaf outer frame and the panel are adhered by primer, and the thickness of the protective layer is 1mm.
Preferably, the sound insulation layer comprises a sound insulation felt and a sound insulation plate, the sound insulation plate is a mineral wool sound absorption plate, and sound absorption holes are formed in the middle of the mineral wool sound absorption plate at equal intervals.
Preferably, the surface of the sound insulation layer is connected with a waterproof film in an adhesive mode, and the waterproof film is made of PE materials.
Preferably, the first polyester fiber layer and the second polyester fiber layer fix the sound insulation layer, play a supporting role and prevent deformation, and the protective layer and the first polyester fiber layer are fixed by POZD adhesive, so that the compressive strength is improved.
Preferably, the inside wave buffering shell fragment that is equipped with of strengthening skeleton can play buffering resistance to compression.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the anti-explosion POZD door leaf, the anti-explosion POZD materials are coated on the inner side, the outer side and the outer side of the front panel of the door leaf, so that an anti-rust effect can be achieved, the anti-impact capability of the door leaf of the civil air defense can be greatly improved, when the door of the civil air defense is subjected to strong impact load, a molecular chain is broken sharply and absorbs a large amount of heat, hard segment areas move together, energy dissipation is increased, and the transmission of impact force is reduced; the wave-shaped buffer spring pieces are arranged inside the reinforced framework, so that the buffer compression-resistant effect can be achieved.
2. According to the utility model, through the matched use of the sound insulation felt and the sound insulation plate, the sound insulation effect of the civil air defense door leaf is improved, the transmission of noise inside and outside the civil air defense door leaf is effectively isolated, no mutual interference is generated, the sound is attenuated through the sound absorption holes, meanwhile, the sound insulation layer is clamped and fixed through the matched use of the polyester fiber layer I and the polyester fiber layer II, the strength is increased, the sound insulation layer is prevented from deforming, the waterproof film adhered to the surface of the sound insulation layer is waterproof, the damage caused by the penetration of moisture inside the door leaf is prevented, and the service life is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the inner structure of the door leaf according to the present utility model.
Fig. 3 is a schematic view of the cavity structure of the door leaf according to the present utility model.
Wherein: 1-front panel, 2-door leaf outer frame, 3-rear panel, 4-cavity, 5-reinforced framework, 6-buffer spring sheet, 7-protective layer, 8-polyester fiber layer I, 9-sound insulation layer, 91-sound insulation felt, 92-sound insulation plate and 10-polyester fiber layer II
Description of the embodiments
Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
1-3, a shock resistance noise reduction's people's air defense door leaf, including front panel 1, door leaf frame 2, back panel 3 and set up in the inboard enhancement skeleton 5 of door leaf frame 2, enhancement skeleton 5 includes horizontal enhancement skeleton and vertical enhancement skeleton, wherein, horizontal enhancement skeleton is totally 3, vertical enhancement skeleton is totally 2, the enhancement skeleton 5 is crisscross in the horizontal and vertical, evenly distributed forms a plurality of cavity 4, cavity 4 inside is equipped with inoxidizing coating 7 from front to back in proper order, polyester fiber layer one 8, puigging layer 9 and polyester fiber layer two 10, door leaf frame 2 and front panel 1 are inside, outside both sides and back panel 3 outside coating inoxidizing coating 7, enhancement skeleton 5 inside is equipped with wave buffering shell fragment 6.
The front panel 1, the door leaf outer frame 2, the rear panel 3 and the reinforcing framework 5 are all made of Q235B steel, and are fixed in a full-welded mode, so that the strength of the civil air defense door leaf is improved. The reinforcing frameworks 5 are transversely and longitudinally staggered and uniformly distributed, so that not only can the reinforcing effect be achieved, but also the impact resistance of the civil air defense door leaf can be effectively increased.
The cavity 4 is internally provided with a protective layer 7, the inner side and the outer side of the door leaf outer frame 7 and the front panel 1 and the outer side of the rear panel 3 are coated with the protective layer 7, wherein the protective layer 7 is made of an antiknock POZD material, the thickness of the coating is 1mm, the antiknock POZD material is bonded with the front door panel through a primer, and the primer not only has a good antirust effect, but also can provide a strong bonding force. The anti-explosion POZD material is special for the civil air defense door which is self-developed by the company, has higher regularity of molecular structure, excellent tensile strength and thermal stability, when the civil air defense door is subjected to strong impact, the molecular chain of the anti-explosion POZD material breaks to absorb a large amount of heat, the hard sections move together, the energy dissipation is increased, the impact area is completely covered, the deformation of the civil air defense door is reduced, the impact strength is reduced, and meanwhile, the secondary injury caused by impact breaking can be avoided. The inside of the reinforcing framework 5 is provided with a wavy buffer spring piece 6 which can also play a role in buffering and compression resistance.
The inside inoxidizing coating 7, polyester fiber layer one 8, puigging 9 and polyester fiber layer two 10 that are equipped with in proper order in the past to the back of cavity 4, puigging 9 includes sound insulation felt 91, acoustic celotex board 92, and wherein, acoustic celotex board 92 is the mineral wool abatvoix, and the sound absorbing hole has been seted up to the middle part equidistance. When there is noise interference, through the cooperation of acoustic felt 91, acoustic celotex board 92, improved the sound insulation effect of people's door leaf, the transmission of the inside and outside noise of effectual isolated door leaf for inside and outside can not receive the interference each other, and inhale the sound hole and can make the sound decay, further reduce noise transmission. The PE waterproof film is adhered and connected to the surface of the sound insulation layer 9, so that the sound insulation layer can be waterproof, the putrefactive damage caused by the penetration of moisture in the sound insulation layer can be prevented, the service life of the sound insulation layer is further prolonged, and the structural strength is improved. The first polyester fiber layer 8 and the second polyester fiber layer 10 fix the sound insulation layer 9, play a supporting role, prevent deformation and keep integrity. The protective layer 7 and the first polyester fiber layer 8 are fixed by POZD adhesive, so that the reinforcing effect can be improved, and the compactness and stability of the integral structure of the civil air defense door leaf are enhanced.
The foregoing is a specific application example of the present utility model, and does not limit the scope of the present utility model. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.
Claims (7)
1. The utility model provides a but shock resistance noise reduction's people's air defense door leaf, includes front panel (1), door leaf frame (2), rear panel (3) and sets up in door leaf frame (2) inboard enhancement skeleton (5), enhancement skeleton (5) are including transversely strengthening skeleton and vertical enhancement skeleton, transversely strengthen skeleton totally 3, vertical enhancement skeleton (5) are horizontal and vertical crisscross, evenly distributed forms a plurality of cavity (4), cavity (4) inside are equipped with inoxidizing coating (7), polyester fiber layer one (8), puigging (9) and polyester fiber layer two (10) in proper order from front to back, door leaf frame (2) with in front panel (1), outer both sides with rear panel (3) outside coating inoxidizing coating (7), it is equipped with wave buffering shell fragment (6) to strengthen skeleton (5) inside.
2. An impact resistant and noise reducing civil air defense door leaf according to claim 1 wherein: the front panel (1), the door leaf outer frame (2), the rear panel (3) and the reinforcing framework (5) arranged on the inner side of the door leaf outer frame (2) are all made of Q235B steel, and are fixed in a full-welded mode, so that the impact resistance of the civil air defense door leaf can be increased.
3. An impact resistant and noise reducing civil air defense door leaf according to claim 1 wherein: the protective layer (7) is made of an antiknock POZD material, the antiknock POZD material is adhered to the front panel (1), the door leaf outer frame (2) and the rear panel (3) through primer, and the thickness of the protective layer (7) is 1mm.
4. An impact resistant and noise reducing civil air defense door leaf according to claim 1 wherein: the sound insulation layer (9) comprises a sound insulation felt (91) and a sound insulation plate (92), wherein the sound insulation plate is a mineral wool sound absorption plate, and sound absorption holes are formed in the middle of the mineral wool sound absorption plate at equal intervals.
5. An impact resistant and noise reducing civil air defense door leaf according to claim 1 wherein: the surface of the sound insulation layer (9) is connected with a waterproof film in an adhesive mode, and the waterproof film is made of PE materials.
6. An impact resistant and noise reducing civil air defense door leaf according to claim 1 wherein: the first polyester fiber layer (8) and the second polyester fiber layer (10) fix the sound insulation layer (9), play a supporting role and prevent deformation, and the protective layer (7) and the first polyester fiber layer (8) are fixed by POZD adhesive, so that the compressive strength is improved.
7. An impact resistant and noise reducing civil air defense door leaf according to claim 1 wherein: the inside of the reinforcing framework (5) is provided with a wavy buffer elastic sheet (6) which can play a role in buffering and compression resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249640.7U CN219864720U (en) | 2023-05-23 | 2023-05-23 | Anti-impact noise-reduction civil air defense door leaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249640.7U CN219864720U (en) | 2023-05-23 | 2023-05-23 | Anti-impact noise-reduction civil air defense door leaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219864720U true CN219864720U (en) | 2023-10-20 |
Family
ID=88348226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321249640.7U Active CN219864720U (en) | 2023-05-23 | 2023-05-23 | Anti-impact noise-reduction civil air defense door leaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219864720U (en) |
-
2023
- 2023-05-23 CN CN202321249640.7U patent/CN219864720U/en active Active
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