CN207112135U - A kind of four layers compound domestic gas flexible pipe - Google Patents
A kind of four layers compound domestic gas flexible pipe Download PDFInfo
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- CN207112135U CN207112135U CN201720305357.XU CN201720305357U CN207112135U CN 207112135 U CN207112135 U CN 207112135U CN 201720305357 U CN201720305357 U CN 201720305357U CN 207112135 U CN207112135 U CN 207112135U
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- rubber
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- gas hose
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- flexible pipe
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Abstract
The utility model discloses a kind of four layers compound domestic gas flexible pipe, from inside to outside by backing layer, internal layer, middle level, outer layer is compound forms, the material that backing layer, internal layer and middle level use is thermoplastic elastic body, and the material that described outer layer uses is thermoplastic elastomer (TPE).Each layer of the utility model has different performance and function.Backing layer directly contacts with combustion gas, plays a part of strengthening the resistance to combustion gas of gas hose and improves gas hose air-tightness.Internal layer is used for the integral, flexible for improving gas hose and further reduces permeability of the combustion gas on flexible pipe.Middle level and outer layer are used to resist the damage to gas hose such as liquid that may be contacted during gas hose use, and gas hose is had excellent anti-flammability and resistance to ag(e)ing.The utility model overcomes the problem of gas hose long-term use is hardened, ftractureed, and improves the service life and safety in utilization of gas hose.
Description
Technical field
It the utility model is related to a kind of flexible pipe, and in particular to a kind of four layers compound domestic gas flexible pipe, refer in particular to use
In a kind of four layers compound domestic gas flexible pipe of conveying domestic gas.
Background technology
With the fast development of China's gas industry, safe way is increasingly by the extensive concern of government and society.Make
For the important component of indoor gas system, domestic gas flexible pipe is to playing safely vital effect in household.Mesh
Before, the domestic nonmetallic gas hose of family expenses includes plastic flexible pipe, reinforced plastics composite soft tube and rubber hose.Generally, plastics are soft
Manage and metal or fiber-reinforced layer are added between two layers of plastic for double-layer structure, reinforced plastics composite soft tube, rubber hose is
Two layers or three-decker and each layer is elastomeric material.Domestic gas flexible pipe use environment is special, after long-time use, in body
The combustion gas passed through can come out the migration of plasticizer in flexible pipe, cause domestic gas flexible pipe be hardened, be easy to crack, the combustion gas gas of flexible pipe
Close property reduces even gas leakage.During use, the port of gas hose can be stretched, and flexible pipe is in integrally case of bending, and this also makes
Aging and cracking easily occur for the port and body for obtaining gas hose.Therefore, the reliable domestic gas flexible pipe of development quality, is avoided
The generation of gas accidentses, there is very important realistic meaning.
Utility model content
For it is above-mentioned the problem of and deficiency, the purpose of this utility model be to provide a kind of four layers of compound domestic gas soft
Pipe, it is intended to improve the service life and safety in utilization of gas hose.
The purpose of this utility model is achieved through the following technical solutions：
A kind of four layers compound domestic gas flexible pipe, described gas hose is from inside to outside by backing layer 1, internal layer 2, middle level
3rd, 4 compound composition of outer layer.
Backing layer 1, internal layer 2, middle level 3, the thickness of outer layer 4 of described domestic gas flexible pipe be respectively 0.1~2.5mm,
0.1~2.5mm, 0.1~2.5mm, 0.1~2.5mm；Preferably 0.4~1.8mm, 0.4~1.8mm, 0.3~1.5mm, 0.3~
1.2mm。
The material that backing layer 1, internal layer 2 and middle level 3 described in the utility model domestic gas flexible pipe use is rubber or heat
Thermoplastic elastic, the material that described outer layer 4 uses are thermoplastic elastomer (TPE).Specifically, the material of described backing layer 1 is chlorine
In hydrin rubber, nitrile rubber, neoprene, butyronitrile/polyvinyl chloride rubber, silicon rubber, haloflex, hydrogenated nitrile-butadiene rubber
One or more combination or PVC thermoplastic elastomer (TPE)s；The material of described internal layer 2 is chlorohydrin rubber, nitrile rubber, neoprene rubber
Glue, CSM, butyronitrile/polyvinyl chloride rubber, ethylene propylene diene rubber, butadiene-styrene rubber, silicon rubber, chlorinated polyethylene
One or more combinations or PVC thermoplastic elastomer (TPE)s in alkene, hydrogenated nitrile-butadiene rubber；The material in described middle level 3 is chloropharin rubber
Glue, nitrile rubber, neoprene, CSM, butyronitrile/polyvinyl chloride rubber, ethylene propylene diene rubber, silicon rubber,
One or more combinations or PVC thermoplastic elastomer (TPE)s in haloflex, hydrogenated nitrile-butadiene rubber；The material of described outer layer 4
For PVC thermoplastic elastomer (TPE)s.Bonding mode between each layer：Bond or pass through naturally in sulfidation between rubber and rubber
Application of adhesive bonds；Bonded naturally in extrusion between rubber and PVC thermoplastic elastomer (TPE)s or pass through application of adhesive
Bonding；Bonded naturally in extrusion between PVC thermoplastic elastomer (TPE)s and PVC thermoplastic elastomer (TPE)s, it is not necessary to coating bonding
Agent.The four-layer structure of domestic gas flexible pipe plays different effects：Backing layer has excellent resistance to combustion gas performance, in gas hose
Directly contacted with combustion gas during use, play a part of strengthening the resistance to combustion gas of gas hose and improve gas hose air-tightness；
Internal layer has excellent elasticity, for improving the integral, flexible of gas hose and further reducing transmission of the combustion gas on flexible pipe
Property；Middle level and outer layer are used to resist the damage to gas hose such as liquid that may be contacted during gas hose use, and make
Gas hose has excellent anti-flammability and resistance to ag(e)ing.
The utility model is intended to by compound four kinds of performances material different with function, overcomes gas hose is long-term use of to become
Firmly, the problem of ftractureing, the service life and safety in utilization of gas hose are improved.
The beneficial effects of the utility model：
The backing layer of the compound domestic gas flexible pipe of four layers of the utility model directly contacts with combustion gas, and it is soft to play enhancing combustion gas
Manage resistance to combustion gas and improve the effect of gas hose air-tightness.Internal layer is used to improve the integral, flexible of gas hose and further subtracted
Few permeability of the combustion gas on flexible pipe.Middle level and outer layer are used to resist liquid that may be contacted during gas hose use etc. pair
The damage of gas hose, and make gas hose that there is excellent anti-flammability and resistance to ag(e)ing.Domestic gas of the present utility model is soft
Pipe overcomes the problem of gas hose long-term use is hardened, ftractureed, and improves the service life and safety in utilization of gas hose.
Brief description of the drawings
Fig. 1 is the structural section schematic cross-sectional view of four layers of the present utility model compound domestic gas flexible pipe.
In figure：1- backing layers, 2- internal layers, 3- middle levels, 4- outer layers.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, but should not be construed as to this practicality
New any restrictions.
Embodiment 1
As shown in figure 1, a kind of four layers compound domestic gas flexible pipe, from inside to outside by backing layer 1, internal layer 2, middle level 3, outer
4 compound composition of layer；The internal diameter of described gas hose is 9.5mm, and overall wall thickness is 3.0mm, backing layer 1, internal layer 2, middle level 3,
The thickness of outer layer 4 is respectively：0.5mm、1.5mm、0.5mm、0.5mm.The material of backing layer 1 is chlorohydrin rubber；The material of internal layer 2
For nitrile rubber；The material in middle level 3 is butyronitrile/polyvinyl chloride rubber；The material of outer layer 4 is PVC thermoplastic elastomer (TPE)s.Backing layer
1st, bonded naturally in sulfidation between internal layer 2, the adjacent two layers of middle level 3；Pass through application of adhesive between middle level 3 and outer layer 4
Bonding.
Embodiment 2
As shown in figure 1, a kind of four layers compound domestic gas flexible pipe, from inside to outside by backing layer 1, internal layer 2, middle level 3, outer
4 compound composition of layer；The internal diameter of described gas hose is 9.5mm, and overall wall thickness is 3.0mm, backing layer 1, internal layer 2, middle level 3,
The thickness of outer layer 4 is respectively：0.4mm、1.8mm、0.4mm、0.4mm.The material of backing layer 1 is chlorohydrin rubber；The material of internal layer 2
For nitrile rubber；The material in middle level 3 is butyronitrile/polyvinyl chloride rubber；The material of outer layer 4 is PVC thermoplastic elastomer (TPE)s.Backing layer
1st, bonded naturally in sulfidation between internal layer 2, the adjacent two layers of middle level 3；Pass through application of adhesive between middle level 3 and outer layer 4
Bonding.
Embodiment 3
As shown in figure 1, a kind of four layers compound domestic gas flexible pipe, from inside to outside by backing layer 1, internal layer 2, middle level 3, outer
4 compound composition of layer；The internal diameter of described gas hose is 9.5mm, and overall wall thickness is 3.0mm, backing layer 1, internal layer 2, middle level 3,
The thickness of outer layer 4 is respectively：1.0mm、0.8mm、0.6mm、0.6mm.The material of backing layer 1 is butyronitrile/polyvinyl chloride rubber；It is interior
The material of layer 2 is nitrile rubber；The material in middle level 3 is butyronitrile/polyvinyl chloride rubber；The material of outer layer 4 is PVC thermoplastic elastics
Body.Bonded naturally in sulfidation between backing layer 1, internal layer 2, the adjacent two layers of middle level 3；Pass through painting between middle level 3 and outer layer 4
Cover adhesive bonding.
Embodiment 4
As shown in figure 1, a kind of four layers compound domestic gas flexible pipe, from inside to outside by backing layer 1, internal layer 2, middle level 3, outer
4 compound composition of layer；The internal diameter of described gas hose is 13.0mm, and overall wall thickness is 3.5mm, backing layer 1, internal layer 2, middle level 3,
The thickness of outer layer 4 is respectively：0.5mm、0.5mm、1.5mm、1.0mm.The material of backing layer 1 is chlorohydrin rubber；The material of internal layer 2
For butyronitrile/polyvinyl chloride rubber；The material in middle level 3 is butyronitrile/polyvinyl chloride rubber；The material of outer layer 4 is PVC thermoplastic elastics
Body.Bonded naturally in sulfidation between backing layer 1, internal layer 2, the adjacent two layers of middle level 3；Pass through painting between middle level 3 and outer layer 4
Cover adhesive bonding.
Embodiment 5
As shown in figure 1, a kind of four layers compound domestic gas flexible pipe, from inside to outside by backing layer 1, internal layer 2, middle level 3, outer
4 compound composition of layer；The internal diameter of described gas hose is 13.0mm, and overall wall thickness is 3.3mm, backing layer 1, internal layer 2, middle level 3,
The thickness of outer layer 4 is respectively：1.8mm、0.8mm、0.4mm、0.3mm.The material of backing layer 1 is chlorohydrin rubber；The material of internal layer 2
For nitrile rubber；The material in middle level 3 is PVC thermoplastic elastomer (TPE)s；The material of outer layer 4 is PVC thermoplastic elastomer (TPE)s.Backing layer 1
Bonded naturally in sulfidation between internal layer 2；Bonded between internal layer 2 and middle level 3 by application of adhesive；Middle level 3 and outer
Bonded naturally in extrusion between layer 4, it is not necessary to application of adhesive.
The backing layer of the domestic gas flexible pipe of the present embodiment directly contacts with combustion gas, plays the enhancing resistance to combustion gas of gas hose
With the effect for improving gas hose air-tightness.Internal layer is used for the integral, flexible for improving gas hose and further reduces combustion gas soft
Permeability on pipe.Middle level and outer layer are used to resist liquid that may be contacted during gas hose use etc. to gas hose
Damage, and make gas hose that there is excellent anti-flammability and resistance to ag(e)ing.The domestic gas flexible pipe of the present embodiment overcomes combustion gas
The problem of flexible pipe long-term use is hardened, ftractureed, improve the service life and safety in utilization of gas hose.
Claims (4)
1. a kind of four layers compound domestic gas flexible pipe, it is characterised in that described gas hose from inside to outside by backing layer (1),
Internal layer (2), middle level (3), outer layer (4) compound composition；The backing layer (1) of described gas hose, internal layer (2) and middle level (3) make
Material is thermoplastic elastic body, and the material that the outer layer (4) of described gas hose uses is thermoplastic elastomer (TPE).
2. four layers according to claim 1 compound domestic gas flexible pipe, it is characterised in that the lining of described gas hose
Nexine (1), internal layer (2), middle level (3), the thickness of outer layer (4) be respectively 0.1~2.5mm, 0.1~2.5mm, 0.1~2.5mm,
0.1~2.5mm.
3. four layers according to claim 1 or 2 compound domestic gas flexible pipe, it is characterised in that described gas hose
Backing layer (1), internal layer (2), middle level (3), the thickness of outer layer (4) be respectively 0.4~1.8mm, 0.4~1.8mm, 0.3~
1.5mm, 0.3~1.2mm.
4. four layers according to claim 1 compound domestic gas flexible pipe, it is characterised in that the lining of described gas hose
The material of nexine (1) is chlorohydrin rubber, nitrile rubber, neoprene, butyronitrile/polyvinyl chloride rubber, silicon rubber, chlorinated polyethylene
One or more combinations or PVC thermoplastic elastomer (TPE)s in alkene, hydrogenated nitrile-butadiene rubber；The material of described internal layer (2) is chloropharin
Rubber, nitrile rubber, neoprene, CSM, butyronitrile/polyvinyl chloride rubber, ethylene propylene diene rubber, butylbenzene rubber
One or more combinations or PVC thermoplastic elastomer (TPE)s in glue, silicon rubber, haloflex, hydrogenated nitrile-butadiene rubber；In described
The material of layer (3) is chlorohydrin rubber, nitrile rubber, neoprene, CSM, butyronitrile/polyvinyl chloride rubber, three
One or more combinations or PVC thermoplastic elastomer (TPE)s in first EP rubbers, silicon rubber, haloflex, hydrogenated nitrile-butadiene rubber；
The material of described outer layer (4) is PVC thermoplastic elastomer (TPE)s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720305357.XU CN207112135U (en) | 2017-03-27 | 2017-03-27 | A kind of four layers compound domestic gas flexible pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720305357.XU CN207112135U (en) | 2017-03-27 | 2017-03-27 | A kind of four layers compound domestic gas flexible pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207112135U true CN207112135U (en) | 2018-03-16 |
Family
ID=61595783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720305357.XU Active CN207112135U (en) | 2017-03-27 | 2017-03-27 | A kind of four layers compound domestic gas flexible pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207112135U (en) |
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2017
- 2017-03-27 CN CN201720305357.XU patent/CN207112135U/en active Active
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