CN206918465U - A kind of three layers compound domestic gas flexible pipe - Google Patents
A kind of three layers compound domestic gas flexible pipe Download PDFInfo
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- CN206918465U CN206918465U CN201720304605.9U CN201720304605U CN206918465U CN 206918465 U CN206918465 U CN 206918465U CN 201720304605 U CN201720304605 U CN 201720304605U CN 206918465 U CN206918465 U CN 206918465U
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- gas hose
- rubber
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- flexible pipe
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Abstract
The utility model discloses a kind of three layers compound domestic gas flexible pipe, from inside to outside by internal layer, middle level, outer layer is compound forms, the internal layer of described gas hose and the material in middle level are thermoplastic elastic body, and the material of the outer layer of described gas hose is thermoplastic elastomer (TPE).Internal 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.Middle level is used for the integral, flexible for improving gas hose and further reduces permeability of the combustion gas on flexible pipe.Outer layer is 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 three layers compound domestic gas flexible pipe, refer in particular to use
In a kind of three layers compound domestic gas flexible pipe of conveying domestic gas.
Background technology
As the important component of indoor gas system, domestic gas flexible pipe is most important to being played safely in household
Effect.At present, the nonmetallic gas hose of domestic family expenses includes plastic flexible pipe, reinforced plastics composite soft tube and rubber hose.It is logical
Often, plastic flexible pipe is double-layer structure, and reinforced plastics composite soft tube adds metal or fiber-reinforced layer, rubber between two layers of plastic
Glue flexible pipe is two layers or three-decker, and each layer is elastomeric material.The general plastic flexible pipe in present market is cheap, in flexible pipe
Plasticizer intolerant to the extraction of combustion gas, flexible pipe can harden using certain time.In addition, plastics compression performance itself
Difference, the permanent deformation using a period of time rear hose port is larger, adds the risk of gas leakage.Although gum flexible pipe is pressed
Compression permanent deformation better performances, but ageing-resistant performance is poor compared with plastics, for a long time using the outer layer aging of gas hose can be caused to hold
Split.
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 three layers of compound domestic gas soft
Pipe, the thermoplastic elastomer (TPE) that excellent performance is used only in the gas hose, plasticizer is not easy to extract out is as material of main part or in rubber
Coating thermoplastic elastomer improves service life and the use of gas hose to be effectively improved the combination property of gas hose on layer
Security.
The purpose of this utility model is achieved through the following technical solutions：
A kind of three layers compound domestic gas flexible pipe, described gas hose is from inside to outside by internal layer 1, middle level 2, outer layer 3
Compound composition.
Internal layer 1, middle level 2, the thickness of outer layer 3 of described domestic gas flexible pipe be respectively 0.1~2.7mm, 0.1~
2.7mm, 0.1~2.7mm；Preferably 0.4~2.5mm, 0.4~2.5mm, 0.3~2.2mm.
The material that internal layer 1 and middle level 2 described in the utility model domestic gas flexible pipe use is rubber or thermoplastic elastic
Body, the material that described outer layer 3 uses is thermoplastic elastomer (TPE).Specifically, the material of described internal layer 1 is chlorohydrin rubber, fourth
Nitrile rubber, neoprene, butyronitrile/polyvinyl chloride rubber, haloflex, hydrogenated nitrile-butadiene rubber, one kind in silicon rubber or more
Kind combination or PVC thermoplastic elastomer (TPE)s；The material in described middle level 2 is chlorohydrin rubber, nitrile rubber, neoprene, chlorosulfonation
Polyethylene rubber, butyronitrile/polyvinyl chloride rubber, haloflex, hydrogenated nitrile-butadiene rubber, ethylene propylene diene rubber, butadiene-styrene rubber, silicon
One or more combinations or PVC thermoplastic elastomer (TPE)s in rubber；The material of described outer layer 3 is PVC thermoplastic elastomer (TPE)s.Respectively
The material that layer uses is not quite similar.Bonding mode between each layer：Between rubber and rubber in sulfidation naturally bonding or
Bonded by application of adhesive；The bonding or viscous by coating naturally in extrusion between rubber and PVC thermoplastic elastomer (TPE)s
Mixture bonds；Bonded naturally in extrusion between PVC thermoplastic elastomer (TPE)s and PVC thermoplastic elastomer (TPE)s, it is not necessary to coat
Adhesive.The three-decker of the utility model domestic gas flexible pipe plays different effects.Internal layer has excellent resistance to combustion gas
Can, directly contacted with combustion gas during gas hose use, play the enhancing resistance to combustion gas of gas hose and improve gas hose
The effect of air-tightness.Middle level has excellent elasticity, exists for improving the integral, flexible of gas hose and further reducing combustion gas
Permeability on flexible pipe.Outer layer is used to resist the damage to gas hose such as liquid that may be contacted during gas hose use
Wound, and make gas hose that there is excellent anti-flammability and resistance to ag(e)ing.
The utility model is intended to by compound three 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 internal layer of the compound domestic gas flexible pipe of three layers of the utility model directly contacts with combustion gas, plays enhancing gas hose
Resistance to combustion gas and the effect for improving gas hose air-tightness.Middle level is used to improve the integral, flexible of gas hose and further reduced
Permeability of the combustion gas on flexible pipe.Outer layer is 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.Domestic gas flexible pipe of the present utility model overcomes
The problem of gas hose long-term use is hardened, ftractureed, improve 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 three layers of the present utility model compound domestic gas flexible pipe.
In figure：1- internal layers, 2- middle levels, 3- 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 three layers compound domestic gas flexible pipe, compound by internal layer 1, middle level 2, outer layer 3 from inside to outside
Form；The internal diameter of described gas hose is 9.5mm, and overall wall thickness is 3.0mm, and internal layer 1, middle level 2, the thickness of outer layer 3 are distinguished
For：0.5mm、1.5mm、1.0mm.The material of internal layer 1 is chlorohydrin rubber；The material in middle level 2 is nitrile rubber；The material of outer layer 3
For PVC thermoplastic elastomer (TPE)s.Bonded naturally in sulfidation between internal layer 1 and middle level 2；Pass through painting between middle level 2 and outer layer 3
Cover adhesive bonding.
Embodiment 2
As shown in figure 1, a kind of three layers compound domestic gas flexible pipe, compound by internal layer 1, middle level 2, outer layer 3 from inside to outside
Form；The internal diameter of described gas hose is 9.5mm, and overall wall thickness is 3.0mm, and internal layer 1, middle level 2, the thickness of outer layer 3 are distinguished
For：0.8mm、1.2mm、1.0mm.The material of internal layer 1 is chlorohydrin rubber；The material in middle level 2 is nitrile rubber；The material of outer layer 3
For PVC thermoplastic elastomer (TPE)s.Bonded naturally in sulfidation between internal layer 1 and middle level 2；Pass through painting between middle level 2 and outer layer 3
Cover adhesive bonding.
Embodiment 3
As shown in figure 1, a kind of three layers compound domestic gas flexible pipe, compound by internal layer 1, middle level 2, outer layer 3 from inside to outside
Form；The internal diameter of described gas hose is 9.5mm, and overall wall thickness is 3.0mm, and internal layer 1, middle level 2, the thickness of outer layer 3 are distinguished
For：0.4mm、0.4mm、2.2mm.The material of internal layer 1 is butyronitrile/polyvinyl chloride rubber；The material in middle level 2 is butyronitrile/polychlorostyrene second
Alkene rubber；The material of outer layer 3 is PVC thermoplastic elastomer (TPE)s.Bonded naturally in sulfidation between internal layer 1 and middle level 2；Middle level
Bonded between 2 and outer layer 3 by application of adhesive.
Embodiment 4
As shown in figure 1, a kind of three layers compound domestic gas flexible pipe, compound by internal layer 1, middle level 2, outer layer 3 from inside to outside
Form；The internal diameter of described gas hose is 13.0mm, and overall wall thickness is 3.3mm, and internal layer 1, middle level 2, the thickness of outer layer 3 are distinguished
For：2.5mm、0.4mm、0.4mm.The material of internal layer 1 is nitrile rubber；The material in middle level 2 is butyronitrile/polyvinyl chloride rubber；Outside
The material of layer 3 is PVC thermoplastic elastomer (TPE)s.Bonded naturally in sulfidation between internal layer 1 and middle level 2；Middle level 2 and outer layer 3
Between bonded by application of adhesive.
Embodiment 5
As shown in figure 1, a kind of three layers compound domestic gas flexible pipe, compound by internal layer 1, middle level 2, outer layer 3 from inside to outside
Form；The internal diameter of described gas hose is 13.0mm, and overall wall thickness is 3.3mm, and internal layer 1, middle level 2, the thickness of outer layer 3 are distinguished
For：0.5mm、2.5mm、0.3mm.The material of internal layer 1 is chlorohydrin rubber；The material in middle level 2 is PVC thermoplastic elastomer (TPE)s；Outer layer 3
Material be PVC thermoplastic elastomer (TPE)s.Bonded between internal layer 1 and middle level 2 by application of adhesive；Between middle level 2 and outer layer 3
Bonded naturally in extrusion, it is not necessary to application of adhesive.
The internal layer of the domestic gas flexible pipe of the present embodiment directly contacts with combustion gas, play enhancing the resistance to combustion gas of gas hose and
Improve the effect of gas hose air-tightness.Middle level is used for the integral, flexible for improving gas hose and further reduces combustion gas in flexible pipe
On permeability.Outer layer is used to resist the damage to gas hose such as liquid that may be contacted during gas hose use, and
Make gas hose that there is excellent anti-flammability and resistance to ag(e)ing.It is long-term that the domestic gas flexible pipe of the present embodiment overcomes gas hose
The problem of using being hardened, ftractureing, improve the service life and safety in utilization of gas hose.
Claims (4)
1. a kind of three layers compound domestic gas flexible pipe, it is characterised in that described gas hose from inside to outside by internal layer (1), in
Layer (2), outer layer (3) compound composition；The internal layer (1) of described gas hose and the material of middle level (2) are rubber or thermoplastic elastomehc
Property body, the material of the outer layer (3) of described gas hose is thermoplastic elastomer (TPE).
2. three layers according to claim 1 compound domestic gas flexible pipe, it is characterised in that described gas hose it is interior
Layer (1), middle level (2), the thickness of outer layer (3) are respectively：0.1~2.7mm, 0.1~2.7mm, 0.1~2.7mm.
3. three layers according to claim 1 or 2 compound domestic gas flexible pipe, it is characterised in that described gas hose
Internal layer (1), middle level (2), the thickness of outer layer (3) are respectively：0.4~2.5mm, 0.4~2.5mm, 0.3~2.2mm.
4. three layers according to claim 1 compound domestic gas flexible pipe, it is characterised in that described gas hose it is interior
The material of layer (1) is chlorohydrin rubber, nitrile rubber, neoprene, butyronitrile/polyvinyl chloride rubber, haloflex, hydrogenated butyronitrile
One or more combinations or PVC thermoplastic elastomer (TPE)s in rubber, silicon rubber；The material in described middle level (2) be chlorohydrin rubber,
Nitrile rubber, neoprene, CSM, butyronitrile/polyvinyl chloride rubber, haloflex, hydrogenated nitrile-butadiene rubber,
One or more combinations or PVC thermoplastic elastomer (TPE)s in ethylene propylene diene rubber, butadiene-styrene rubber, silicon rubber；Described outer layer (3)
Material be PVC thermoplastic elastomer (TPE)s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720304605.9U CN206918465U (en) | 2017-03-27 | 2017-03-27 | A kind of three layers compound domestic gas flexible pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720304605.9U CN206918465U (en) | 2017-03-27 | 2017-03-27 | A kind of three layers compound domestic gas flexible pipe |
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| Publication Number | Publication Date |
|---|---|
| CN206918465U true CN206918465U (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720304605.9U Active CN206918465U (en) | 2017-03-27 | 2017-03-27 | A kind of three layers compound domestic gas flexible pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488817A (en) * | 2018-10-25 | 2019-03-19 | 浙江久运车辆部件有限公司 | One kind resists cold ageing-resistant haloflex and natural gum is total to moulding material sebific duct |
| CN115179605A (en) * | 2022-07-28 | 2022-10-14 | 开平市宝来塑胶制品有限公司 | Household gas hose and preparation method thereof |
| CN115464937A (en) * | 2022-07-15 | 2022-12-13 | 北京市燃气集团有限责任公司 | Household rubber pipe suitable for hydrogen-doped natural gas and preparation method |
-
2017
- 2017-03-27 CN CN201720304605.9U patent/CN206918465U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488817A (en) * | 2018-10-25 | 2019-03-19 | 浙江久运车辆部件有限公司 | One kind resists cold ageing-resistant haloflex and natural gum is total to moulding material sebific duct |
| CN115464937A (en) * | 2022-07-15 | 2022-12-13 | 北京市燃气集团有限责任公司 | Household rubber pipe suitable for hydrogen-doped natural gas and preparation method |
| CN115179605A (en) * | 2022-07-28 | 2022-10-14 | 开平市宝来塑胶制品有限公司 | Household gas hose and preparation method thereof |
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