CN208090091U - A kind of fiberglass answers material ventilation duct - Google Patents

Abstract

The utility model discloses a kind of fiberglass to answer material ventilation duct, including inner layer glass tube, the outer wall pressing of the inner layer glass tube has polystyrene tube, the outer wall pressing of the polystyrene tube has interior glass fiber mesh, bituminous coating is equipped at the outer glass fiber mesh and the interlayer of interior glass fiber mesh, the outside of the outer glass fiber mesh is equipped with outer layer glass tube.The fiberglass answers material ventilation duct, pass through the cooperation of bituminous coating, polystyrene tube and inner layer glass tube, the inside and outside composite layer that inner layer glass tube forms ventilation duct with outer layer glass tube is added, is fettered by rack when bituminous coating deforms upon variation under high temperature and low-temperature condition, effect of expanding with heat and contract with cold is reduced, prevent ventilation duct from deforming upon, the high-temperature resistant result of tubing is improved, and exothermal efficiency is high, is not easy deformation and is hardly damaged, service life is permanent, and safety is brought to aircraft.

Description

A kind of fiberglass answers material ventilation duct

Technical field

The utility model is related to aviation accessory technical field, specially a kind of fiberglass answers material ventilation duct.

Background technology

Under normal conditions, the ventilation on aircraft is bigger with the part time job temperature difference, and typically up to temperature is taken the photograph up to above freezing 100 Family name degree or more, minimum temperature is up to subzero 40 degrees Celsius hereinafter, existing aircraft ventilation duct is existed due to material problem and design problem It is easily damaged under the so big temperature difference, it is yielding, it absorbs heat and radiation heat effect is poor, cause the service life of tubing very low, It needs to be replaced frequently, or even tubing rupture directly affects ventilation effect in flight course, affects to a certain extent in-flight The safety of aircraft.

Utility model content

The purpose of this utility model is to provide a kind of fiberglass to answer material ventilation duct, to solve to propose in above-mentioned background technology The problem of.

To achieve the above object, the utility model provides the following technical solutions：A kind of fiberglass answers material ventilation duct, including interior The outer wall pressing of layer glass tube, the inner layer glass tube has polystyrene tube, the outer wall pressing of the polystyrene tube to have interior glass The lateral wall of glass web, the interior glass fiber mesh is equipped with outer glass fiber mesh, and the outer glass fiber mesh passes through connecting filament Net is connected with interior glass fiber mesh, and bituminous coating is equipped at the outer glass fiber mesh and the interlayer of interior glass fiber mesh, described The outside of outer glass fiber mesh is equipped with outer layer glass tube, connects at the outer layer glass tube and the nozzle of inner layer glass tube.

Preferably, compound tube layer is equipped between the outer glass fiber mesh and outer layer glass tube, the compound tube layer includes The lateral wall pressing of glass fabric, the glass fabric has butyronitrile insulating layer, the madial wall pressing of the glass fabric There are organosilicon glue-line, the madial wall pressing of the organosilicon glue-line to there is thin aluminum pipe, the madial wall pressing of the thin aluminum pipe to have poly- four The madial wall pressing of vinyl fluoride layer, the polytetrafluoroethylene ethylene layer has polyimide layer.

Preferably, the lateral wall of the outer layer glass tube is coated with black chrome coating.

Preferably, the thickness of the compound tube layer is 0.6mm, and the thickness of the glass fabric is 0.15mm, the fourth The thickness of nitrile insulator layer is 0.1mm, and the thickness of the organosilicon glue-line is 0.05mm, the thin aluminum pipe, polytetrafluoroethylene ethylene layer and The thickness of polyimide layer is 0.1mm.

Compared with prior art, the utility model has the beneficial effects that：The fiberglass answers material ventilation duct, is applied by pitch The cooperation of layer, polystyrene tube and inner layer glass tube adds inner layer glass tube and forms the inside and outside multiple of ventilation duct with outer layer glass tube Material layers are closed, are transferred in tube body when high aerial body work generates high temperature, polystyrene tube carries out first step trap heat, Simultaneously by its ontology material into the high-temperature resistant result of enhancing tube body, temperature continues to transmit after bituminous coating meets high temperature and gradually change For liquid, absorption heat during this, when meeting to low temperature, for bituminous coating by settable liquid at solid-state, this radiates heat in the process Amount, interior glass fiber mesh forms the rack of clamping bituminous coating by connecting silk screen and outer glass fiber mesh, in high temperature and low temperature It is fettered by rack when bituminous coating deforms upon variation under state, reduces effect of expanding with heat and contract with cold, prevent ventilation duct Deformation improves the high-temperature resistant result of tubing, and exothermal efficiency is high, is not easy deformation and is hardly damaged, and service life is permanent, gives aircraft Bring safety.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the multiple tube schematic diagram of a layer structure of the utility model.

In figure：1, black chrome coating, 2, compound tube layer, 201, butyronitrile insulating layer, 202, glass fabric, 203, organic silica gel Layer, 204, thin aluminum pipe, 205, polytetrafluoroethylene ethylene layer, 206, polyimide layer, 3, outer glass fiber mesh, 4, bituminous coating, 5, even Connect silk screen, 6, interior glass fiber mesh, 7, polystyrene tube, 8, outer layer glass tube, 9, inner layer glass tube.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of fiberglass answers material ventilation duct, including internal layer Glass tube 9, it is amorphous that the outer wall pressing of inner layer glass tube 9, which has polystyrene tube 7,80~105 DEG C of polystyrene glass transition temperature, State atactic polymer has excellent thermal insulation, insulation effect, and the outer wall pressing of polystyrene tube 7 has interior glass fiber mesh 6, interior The lateral wall of glass fiber mesh 6 is equipped with outer glass fiber mesh 3, and outer glass fiber mesh 3 is by connecting silk screen 5 and interior glass fiber mesh 6 are connected, and interior glass fiber mesh 6 forms the rack of clamping bituminous coating 4 by connecting silk screen 5 and outer glass fiber mesh 3, in high temperature It is fettered by rack when deforming upon variation with bituminous coating under low-temperature condition 4, reduces effect of expanding with heat and contract with cold, prevent from divulging information Pipe deforms upon, and bituminous coating 4 is equipped at outer glass fiber mesh 3 and the interlayer of interior glass fiber mesh 6, outer glass fiber mesh 3 Outside is equipped with outer layer glass tube 8, connects at outer layer glass tube 8 and the nozzle of inner layer glass tube 9, outer layer glass tube 8 and internal layer glass Glass pipe 9 forms the inside and outside composite layer of ventilation duct, and the lateral wall of outer layer glass tube 8 is coated with black chrome coating 1, the suction of black chrome coating It is respectively 0.93-0.97 and 0.07-0.15 to receive than α and transmitting ratio ε, and α/ε is 6~13, has excellent spectral selection, is applicable in In hot conditions, in 300 DEG C of energy long-term stable operations, in addition, black chrome coating also has preferable weatherability and corrosion resistance, therefore Enhance the high-temperature resistant result and corrosion resistance of pipeline in the outer wall black coating chrome coating 1 of pipeline, improves using effect；

Compound tube layer 2 is equipped between outer glass fiber mesh 3 and outer layer glass tube 8, the thickness of compound tube layer 2 is 0.6mm, multiple It includes glass fabric 202 to close tube layer 2, and the thickness of glass fabric 202 is 0.15mm, the outside wall pressure of glass fabric 202 Conjunction has butyronitrile insulating layer 201, and the thickness of butyronitrile insulating layer 201 is 0.1mm, and the madial wall pressing of glass fabric 202 is organic The thickness of layer of silica gel 203, organosilicon glue-line 203 is 0.05mm, and the madial wall pressing of organosilicon glue-line 203 has thin aluminum pipe 204, thin The madial wall pressing of aluminum pipe 204 has polytetrafluoroethylene ethylene layer 205, the madial wall pressing of polytetrafluoroethylene ethylene layer 205 to have polyimide layer 206, the thickness of thin aluminum pipe 204, polytetrafluoroethylene ethylene layer 205 and polyimide layer 206 is 0.1mm, and compound tube layer 2 is arranged, and is led to The anti-conductive effect of insulation that butyronitrile insulating layer 201 therein increases ventilation duct is crossed, thin aluminum pipe 204 increases the anti-oil gas effect of ventilation duct Fruit, polytetrafluoroethylene ethylene layer 205 can long-term work at a temperature of positive 250 DEG C to minus 180 DEG C, weatherability is strong, ensure ventilation duct just It is often used, polyimide layer 206 further strengthens the using effect of ventilation duct by the thermostable effect of its material.

Operation principle is：When high aerial body work generates high temperature, high temperature is transferred in tube body, polystyrene tube 7 into Row first step trap heat, while by its ontology material into the high-temperature resistant result of enhancing tube body, temperature continues to transmit pitch painting Layer 4 is gradually converted into liquid after meeting high temperature, and heat is absorbed during this, when meeting to low temperature, bituminous coating 4 by settable liquid at Solid-state, radiation heat during this, interior glass fiber mesh 6 are applied by connecting silk screen 5 with the formation clamping pitch of outer glass fiber mesh 3 The rack of layer 4, is fettered when bituminous coating 4 deforms upon variation under high temperature and low-temperature condition by rack, and heat expansion is reduced Shrinkage effect, prevents ventilation duct from deforming upon.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of fiberglass answers material ventilation duct, it is characterised in that：Including inner layer glass tube (9), outside the inner layer glass tube (9) Wall pressure conjunction has polystyrene tube (7), the outer wall pressing of the polystyrene tube (7) to have interior glass fiber mesh (6), the interior glass The lateral wall of web (6) is equipped with outer glass fiber mesh (3), and the outer glass fiber mesh (3) is by connecting silk screen (5) and interior glass Glass web (6) is connected, and bituminous coating (4) is equipped at the outer glass fiber mesh (3) and the interlayer of interior glass fiber mesh (6), The outside of the outer glass fiber mesh (3) is equipped with outer layer glass tube (8), the outer layer glass tube (8) and inner layer glass tube (9) Connect at nozzle.

2. a kind of fiberglass according to claim 1 answers material ventilation duct, it is characterised in that：The outer glass fiber mesh (3) Compound tube layer (2) is equipped between outer layer glass tube (8), the compound tube layer (2) includes glass fabric (202), the glass The lateral wall pressing of glass fiber cloth (202) has butyronitrile insulating layer (201), the madial wall pressing of the glass fabric (202) to have The madial wall pressing of organosilicon glue-line (203), the organosilicon glue-line (203) has thin aluminum pipe (204), the thin aluminum pipe (204) Madial wall pressing have a polytetrafluoroethylene ethylene layer (205), the madial wall pressing of the polytetrafluoroethylene ethylene layer (205) has polyimide layer (206)。

3. a kind of fiberglass according to claim 1 answers material ventilation duct, it is characterised in that：The outer layer glass tube (8) Lateral wall is coated with black chrome coating (1).

4. a kind of fiberglass according to claim 2 answers material ventilation duct, it is characterised in that：The thickness of the compound tube layer (2) Degree is 0.6mm, and the thickness of the glass fabric (202) is 0.15mm, and the thickness of the butyronitrile insulating layer (201) is 0.1mm, The thickness of the organosilicon glue-line (203) is 0.05mm, the thin aluminum pipe (204), polytetrafluoroethylene ethylene layer (205) and polyimides The thickness of layer (206) is 0.1mm.