CN211647864U - Flexible light explosion vent - Google Patents
Flexible light explosion vent Download PDFInfo
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- CN211647864U CN211647864U CN201921421312.4U CN201921421312U CN211647864U CN 211647864 U CN211647864 U CN 211647864U CN 201921421312 U CN201921421312 U CN 201921421312U CN 211647864 U CN211647864 U CN 211647864U
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- support bars
- explosion
- retardant
- elastomer
- explosion vent
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Abstract
The utility model discloses a flexible light explosion vent relates to a technical field to and inlay the door core in the door frame, the door core is by outer to interior in proper order including: the flame-retardant plate comprises an outer flame-retardant plate, a composite layer and an inner flame-retardant plate, wherein at least more than two support bars are arranged between the composite layer and the inner flame-retardant plate at equal intervals, the composite layer comprises a fiber reinforced thermoplastic plate and an elastomer, the support bars are fixedly arranged between the elastomer and the inner flame-retardant plate, and the fiber reinforced thermoplastic plate is connected with the outer flame-retardant plate. The explosion door is light in weight and corrosion resistant, can absorb energy when explosion occurs, prolongs the contact time, reduces the acting force, achieves the aim of explosion prevention, and can prolong the emergency time when explosion occurs.
Description
Technical Field
The utility model relates to a door technical field especially relates to a flexible light explosion vent.
Background
The explosion-proof door has the explosion-proof function, is widely applied to mining, warehouses and civil air defense engineering, and is most commonly combined by concrete and steel at home and abroad. In the aspect of door body structural style, the existing more structural styles mainly comprise steel-clad steel pipe concrete, steel-clad concrete, beam slab type and other explosion-proof structures. However, the areal density of the door consisting of steel and concrete is greater than 450Kg/m2The explosion-proof door is very heavy, so that the operation is very difficult in the installation, use, maintenance and maintenance processes, and the difficulty of opening and closing the explosion-proof door is increased due to the corrosion of steel.
The utility model discloses an application number is "201220381815.5", the name is "fire prevention explosion vent" utility model patent, including door frame and door leaf, the door leaf includes outer panel and interior panel, wherein, is equipped with the support between outer panel and the interior panel, is equipped with the filler layer between the support, and the outer panel adopts magnesium aluminum alloy board, and the interior panel adopts the wooden panel through fire prevention processing, adopts magnesium aluminum alloy to carry out the explosion-proof, but magnesium aluminum alloy corrosion resistance is poor, weight is heavier to the energy that produces when can not absorbing the explosion and reduce the effort, so explosion-proof degree is limited. Therefore, an explosion-proof door with light weight, corrosion resistance and explosion-proof function is urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a flexible light explosion vent, matter is light, anticorrosive and can absorb energy, extension contact time, reduce the effort when the explosion produces, reaches explosion-proof purpose, the emergency time when can prolonging the explosion and take place.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
the utility model provides a flexible light explosion vent, includes the door frame to and inlay the door core in the door frame, the door core includes by outer to interior in proper order: the flame-retardant plate comprises an outer flame-retardant plate, a composite layer and an inner flame-retardant plate, wherein at least more than two support bars are arranged between the composite layer and the inner flame-retardant plate at equal intervals, the composite layer comprises a fiber reinforced thermoplastic plate and an elastomer, the support bars are fixedly arranged between the elastomer and the inner flame-retardant plate, and the fiber reinforced thermoplastic plate is connected with the outer flame-retardant plate.
When explosion happens, the explosion door is impacted by high pressure, the explosion door sequentially absorbs energy from outside to inside through a multilayer structure, generates deformation buffering and exerts a high-strength supporting function, so that high impact load caused by ballistic penetration, explosion waves and the like is effectively transmitted by dissipating energy through a composite layer with amorphous thermoplastic property, and the purposes of energy leakage and explosion prevention are achieved.
Furthermore, five support bars are arranged between the elastic body and the inner side flame-retardant plate at equal intervals.
Furthermore, the cross section of the supporting strip is I-shaped or rectangular. The I-shaped or rectangular support bar has high structural strength, can bear large bending moment and high bearing capacity, can impact energy and resist deformation when explosion occurs, and can also reduce the weight of the explosion door.
Furthermore, the supporting strips are glass fiber epoxy resin supporting strips or glass fiber polyurethane supporting strips or carbon fiber epoxy resin supporting strips or carbon fiber polyurethane supporting strips.
Further, the outer flame-retardant plate and the inner flame-retardant plate are both glass fiber phenolic aldehyde plates. The glass fiber phenolic aldehyde plate has the advantages of corrosion resistance, heat resistance and high flame retardant property, and can prevent the explosion door from burning so as to destroy the explosion-proof function.
Further, the fiber reinforced thermoplastic sheet is a glass fiber polypropylene sheet or a glass fiber polyethylene sheet or a glass fiber nylon sheet. The fiber reinforced thermoplastic plate has the characteristics of light weight, high strength, high modulus and easier buffering and energy absorption, so that the explosion-proof property of the explosion-proof door is better.
Further, the elastomer is one of a rubber foam board or a polyurethane foam board. The rubber foam board and the polyurethane foam board have the characteristics of light weight, low heat conductivity coefficient and high specific strength, so that the weight of the explosion-proof door is reduced, the heat conduction is slowed down, the effects of shock prevention and impact alleviation are achieved, and the explosion-proof characteristic is improved.
Furthermore, a layer of adhesive layer is arranged between the outer side flame-retardant plate and the fiber reinforced thermoplastic plate, between the fiber reinforced thermoplastic plate and the elastomer, between the elastomer and the support bar, and between the support bar and the inner side flame-retardant plate.
The utility model has the advantages that:
1. the utility model discloses a have high strength, high flame retardant, high impact resistance, light characteristics, can absorb the energy and pass through deformation antiknock, alleviate external impact force, delay explosion contact time, reach blast proof purpose.
2. Different structural layers are combined together through an adhesive, so that the preparation is convenient, the whole structure is stable and reliable, high impact load can be dissipated in sequence through the multilayer structure, and the explosion-proof grade is improved.
3. The glass fiber phenolic aldehyde plate can be used as an outer flame-retardant plate and an inner flame-retardant plate to prevent the explosion door from being corroded and rusted, and the composite layer is made of light materials such as a polyurethane foam plate and a glass fiber nylon plate to reduce the weight of the explosion door.
Drawings
FIG. 1 is a schematic structural view of a door core of an explosion vent according to the present invention;
FIG. 2 is a schematic structural view of the explosion vent of the present invention;
FIG. 3 is a cross-sectional view of the door core of the explosion vent of the present invention;
the fireproof door comprises a door frame 1, a door core 2, an inner side fireproof plate 3, an outer side fireproof plate 4, a supporting strip 5, an elastomer 6, a fiber reinforced thermoplastic plate 7 and an adhesive layer 8.
Detailed Description
The invention will be described in detail with reference to the following drawings and specific embodiments:
as shown in fig. 1-3, the utility model discloses a flexible light explosion vent, including door frame 1 to and inlay door core 2 in door frame 1, door core 2 is multilayer composite construction, and use outdoor to indoor as the reference, door core 2 includes by outside to inside in proper order: the composite layer and the inner side flame retardant plate 3 are arranged at equal intervals, more than two support bars 5 are preferably arranged between the composite layer and the inner side flame retardant plate 3, five support bars are preferably arranged in the embodiment, the cross sections of the support bars 5 are in an I shape or a rectangular shape, the cross sections of the support bars 5 are preferably in an I shape, and the I-shaped support bars are high in structural strength, capable of bearing large bending moment and high in bearing capacity, and can impact energy and resist deformation when explosion occurs. The composite layer comprises a fiber reinforced thermoplastic plate 7 and an elastomer 6, the fiber reinforced thermoplastic plate 7 is bonded with the outer side flame-retardant plate 4, and the support strip 5 is fixedly arranged between the elastomer 6 and the inner side flame-retardant plate 3. Namely, the door core 2 is sequentially from outside to inside: the flame-retardant plate comprises an outer flame-retardant plate 4, a fiber reinforced thermoplastic plate 7, an elastomer 6, a supporting strip 5 and an inner flame-retardant plate 3.
As shown in fig. 3, a layer of adhesive layer 8 is disposed between the outer flame-retardant plate 4 and the fiber-reinforced thermoplastic plate 7, between the fiber-reinforced thermoplastic plate 7 and the elastomer 6, between the elastomer 6 and the support bar 5, and between the support bar 5 and the inner flame-retardant plate 3, and the outer flame-retardant plate 4, the fiber-reinforced thermoplastic plate 7, the elastomer 6, the support bar 5, and the inner flame-retardant plate 3 are bonded together by the adhesive layer 8, so that the whole structure of the explosion-proof door is stable and reliable. The outer flame-retardant plate 4 and the inner flame-retardant plate 3 are both glass fiber phenolic aldehyde plates which are light in weight, good in flexibility, and good in heat-proof function and flame retardant property.
The fiber reinforced thermoplastic plate 7 is a glass fiber polypropylene plate, or a glass fiber polyethylene plate, or a glass fiber nylon plate, preferably a glass fiber nylon plate, which has high mechanical strength, rigidity, hardness and toughness, good aging resistance, mechanical vibration damping capacity, and good functions of absorbing blast air and transmitting and dissipating energy when explosion occurs.
The supporting strip 5 is one of a glass fiber epoxy resin supporting strip, a glass fiber polyurethane supporting strip, a carbon fiber epoxy resin supporting strip or a carbon fiber polyurethane supporting strip, and preferably a carbon fiber epoxy resin plate. At least two support bars 5 are arranged between the inner flame-retardant plate 3 and the elastic body 6, preferably five support bars 5 are arranged, i-shaped support bars are selected, and the placing positions are shown in fig. 3, of course, the support bars 5 can also be composed of rectangular support bars, and are similar to the mounting and placing of the i-shaped support bars, and the description is omitted; the elastic body 6 is a rubber foam board or a polyurethane foam board.
When explosion occurs in the door, energy generated by the explosion firstly impacts the inner flame-retardant plate 3, then is sequentially transmitted to the fiber reinforced thermoplastic plate 7, the elastomer 6, the support bar 5 and the outer flame-retardant plate 4 along the internal structure of the explosion-proof door, the energy is sequentially absorbed and is gradually deformed, but because the fiber reinforced thermoplastic plate 7 and the elastomer 6 of the explosion-proof door have high modulus and high strength supporting functions and high bearing capacity of the I-shaped support bar or the rectangular support bar and pass through a composite layer, namely the fiber reinforced thermoplastic plate 7, the elastomer 6 and the support bar 5 dissipate energy, the explosion crack of the explosion-proof door can be avoided to a certain extent, the damage of explosion shock waves outside the door is reduced, the continuation of the explosion damage is effectively prevented, and the aim of explosion prevention is fulfilled.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (8)
1. The utility model provides a flexible light explosion vent, includes the door frame to and inlay the door core in the door frame, its characterized in that, the door core is by outer fire-retardant board in the outside, composite bed and the fire-retardant board in inboard of including in proper order, the equidistance is arranged between composite bed and the fire-retardant board in inboard has the support bar more than two at least, the composite bed includes fibre reinforcing thermoplasticity board and elastomer, support bar fixed mounting is between elastomer and the fire-retardant board in inboard, fibre reinforcing thermoplasticity board is connected with the fire-retardant board in the outside.
2. A flexible lightweight explosion vent according to claim 1, wherein five support bars are installed equidistantly between the elastic body and the inner flame retardant panel.
3. A flexible lightweight explosion vent according to claim 2, wherein the support strip is i-shaped or rectangular in cross-section.
4. A flexible lightweight explosion vent as set forth in claim 3, wherein said support bars are fiberglass epoxy support bars or fiberglass polyurethane support bars or carbon fiber epoxy support bars or carbon fiber polyurethane support bars.
5. A flexible lightweight explosion vent according to claim 1, wherein said outer fire retardant panels and said inner fire retardant panels are both fiberglass phenolic panels.
6. A flexible lightweight explosion vent according to claim 1, wherein said fiber reinforced thermoplastic sheet is a glass fiber polypropylene sheet or a glass fiber polyethylene sheet or a glass fiber nylon sheet.
7. A flexible, lightweight explosion vent as set forth in claim 1, wherein said elastomer is one of a rubber foam panel or a polyurethane foam panel.
8. A flexible lightweight explosion vent according to any one of claims 1 to 7, wherein a layer of adhesive is provided between the outer flame retardant panels and the fiber reinforced thermoplastic panels, between the fiber reinforced thermoplastic panels and the elastomer, between the elastomer and the support bars, and between the support bars and the inner flame retardant panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421312.4U CN211647864U (en) | 2019-08-29 | 2019-08-29 | Flexible light explosion vent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421312.4U CN211647864U (en) | 2019-08-29 | 2019-08-29 | Flexible light explosion vent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211647864U true CN211647864U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921421312.4U Active CN211647864U (en) | 2019-08-29 | 2019-08-29 | Flexible light explosion vent |
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| CN (1) | CN211647864U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016743A (en) * | 2021-11-29 | 2022-02-08 | 中国水利水电第七工程局有限公司 | Concrete pouring method for large-sized steel-clad reinforced concrete protective door |
| CN117103794A (en) * | 2023-08-25 | 2023-11-24 | 安徽华铠工程科技有限公司 | Plant-based degradable composite material civil air defense door and production process thereof |
-
2019
- 2019-08-29 CN CN201921421312.4U patent/CN211647864U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016743A (en) * | 2021-11-29 | 2022-02-08 | 中国水利水电第七工程局有限公司 | Concrete pouring method for large-sized steel-clad reinforced concrete protective door |
| CN114016743B (en) * | 2021-11-29 | 2022-12-02 | 中国水利水电第七工程局有限公司 | Concrete pouring method for large-sized steel-clad reinforced concrete protective door |
| CN117103794A (en) * | 2023-08-25 | 2023-11-24 | 安徽华铠工程科技有限公司 | Plant-based degradable composite material civil air defense door and production process thereof |
| CN117103794B (en) * | 2023-08-25 | 2024-02-27 | 安徽华铠工程科技有限公司 | Plant-based degradable composite material civil air defense door and production process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Slo Logistics Technology Co.,Ltd. Assignor: JINHUA JIT PACKING Co.,Ltd. Contract record no.: X2023330000558 Denomination of utility model: A flexible lightweight explosion-proof door Granted publication date: 20201009 License type: Common License Record date: 20230828 |
|
| EE01 | Entry into force of recordation of patent licensing contract |