CN204942784U - Coating Al-alloy pipe - Google Patents
Coating Al-alloy pipe Download PDFInfo
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- CN204942784U CN204942784U CN201520572797.2U CN201520572797U CN204942784U CN 204942784 U CN204942784 U CN 204942784U CN 201520572797 U CN201520572797 U CN 201520572797U CN 204942784 U CN204942784 U CN 204942784U
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- alloy pipe
- enlarging
- insulation layer
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- coating
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Abstract
The utility model discloses coating Al-alloy pipe, comprise Al-alloy pipe body, described Al-alloy pipe body is made up of Al-alloy pipe, is provided with enlarging in described Al-alloy pipe one end, described enlarging is connected by arc transition with Al-alloy pipe, and described enlarging entirety is horn-like; Inner insulation layer, described inner insulation layer is coated on outside described Al-alloy pipe body; Outside insulation layer, described outside insulation layer is coated on outside described inner insulation layer; Outer protective layer, described outer protective layer is coated on outside described outside insulation layer, is provided with printed layer at described outer protective layer outer surface; Nut, described nut is arranged on enlarging place, and the internal diameter of described nut is less than the external diameter of enlarging.The utility model is reasonable in design, structure is simple, effectively can prevent cut, also wrinkle phenomenon is there will not be at bending part, corrosion resistance freezes at Al-alloy pipe jointing by force, not easily, effectively avoids the damage and long service life that cause Al-alloy pipe.
Description
Technical field
The utility model relates to alloy pipe technical field, is related specifically to a kind of coating Al-alloy pipe for air-conditioning.
Background technique
In prior art, coating Al-alloy pipe major part for air-conditioning comprises Al-alloy pipe body and is coated on the insulation layer outside Al-alloy pipe body, owing to being only coated with the insulation layer of individual layer outside Al-alloy pipe body, thus make the disconnected thermal effect of coating Al-alloy pipe poor, and be smooth surface outside insulation layer,, very easily there is wrinkle phenomenon at bending part in easy cut; Another, existing coating Al-alloy pipe decay resistance is poor, and when sleety weather, easily freezes at the jointing of coating Al-alloy pipe, and then makes coating Al-alloy pipe cause breakage, the serious serious working life of coating Al-alloy pipe.
But for the deficiencies in the prior art, developer is necessary that development one is reasonable in design, structure simple, effectively can prevent cut, also wrinkle phenomenon is there will not be at bending part, corrosion resistance freezes at Al-alloy pipe jointing by force, not easily, effectively avoids the coating Al-alloy pipe of damage and the long service life caused Al-alloy pipe.
Model utility content
For solving prior art Problems existing, the utility model object provide a kind of reasonable in design, structure simple, effectively can prevent cut, also wrinkle phenomenon is there will not be at bending part, corrosion resistance freezes at Al-alloy pipe jointing by force, not easily, effectively avoids the coating Al-alloy pipe of damage and the long service life caused Al-alloy pipe.
For solving above technical problem, the utility model comes to be realize by the following technical solutions:
Coating Al-alloy pipe, comprises
Al-alloy pipe body, described Al-alloy pipe body is made up of Al-alloy pipe, and be provided with enlarging in described Al-alloy pipe one end, described enlarging is connected by arc transition with Al-alloy pipe, and described enlarging entirety is horn-like;
Inner insulation layer, described inner insulation layer is coated on outside described Al-alloy pipe body;
Outside insulation layer, described outside insulation layer is coated on outside described inner insulation layer;
Outer protective layer, described outer protective layer is coated on outside described outside insulation layer, is provided with printed layer at described outer protective layer outer surface;
Nut, described nut is arranged on enlarging place, and the internal diameter of described nut is less than the external diameter of enlarging.
In a preferred embodiment of the present utility model, described outer protective layer selects PE material to make.
In a preferred embodiment of the present utility model, be provided with uv-resistant layer at described printed layer outer surface.
In a preferred embodiment of the present utility model, the angle between described enlarging and alloy pipe axis is 45 °.
In a preferred embodiment of the present utility model, the radius of arc scope between described enlarging and alloy pipe is 0.4-0.8mm.
Compared with prior art, the utility model has the following advantages:
1) there is good durability, there is very strong corrosion resistance;
2) weight of aluminum pipe is 1/3 of copper pipe weight, so be easy to move and facilitate processing;
3) Al-alloy pipe body connectionless point, can prevent seepage, and Al-alloy pipe body adopts annealing in process in addition, makes this coating Al-alloy pipe have good softness, can bend arbitrarily, also can cut off processing voluntarily;
4) heat conductivity of aluminum pipe is 1/2 of copper pipe, and then can reduce condensation trouble;
5) there is the trumpet-shaped enlarging that waterproof construction is special, effectively can preventing the damaging problem caused because freezing;
6) adopt aluminum alloy body than the laminating body of copper aluminium or copper pipe body more economically;
7) because the material of Al-alloy pipe is single material, so can effectively reclaim, environmental protection is conducive to.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B place enlarged view of Fig. 1.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
Shown in Fig. 1-Fig. 3, the coating Al-alloy pipe provided in figure, comprises Al-alloy pipe body, inner insulation layer 200, outside insulation layer 300, outer protective layer 400 and nut 800.
Al-alloy pipe body is made up of Al-alloy pipe 100, and the tensile strength of Al-alloy pipe 100 is 110N/mm
2, specific elongation is 40%, effectively raises the softness of this coating Al-alloy pipe, and allowable pressure is 24N/mm
2, dissolving temperature is 645-657 DEG C, and it is 0.52cal/ DEG C of cmsec that heat passes to rate, and then can reduce condensation trouble.
Corrosion-resistant coating (not shown) is coated with at Al-alloy pipe 100 outer surface, improve the corrosion resistance of Al-alloy pipe 100, enlarging 900 is provided with at the left end of Al-alloy pipe 100, the surface of enlarging 900 is the mirror process of slip, effectively can avoid the situation of leaking gas, enlarging 900 is connected by circular arc 1000 transition with Al-alloy pipe 100, circular arc 1000 radius between enlarging 900 and Al-alloy pipe 100 is 0.4-0.8mm, enlarging 900 entirety is horn-like, angle C between enlarging 900 and Al-alloy pipe 100 axis is 45 °, this coating Al-alloy pipe is provided with enlarging 900, need not on-the-spot process, greatly reduce the engineering time, in narrow place, construction is also very convenient.
Inner insulation layer 200 is coated on outside Al-alloy pipe body, outside insulation layer 300 is coated on outside inner insulation layer 200, inner insulation layer 200 and outside insulation layer 300 all adopt polyethylene foamed material to make, heat can be made to pass to rate at below 0.043W/m.K, can make cold-hot temperature between-40-120 DEG C, tensile strength is 14N/cm
2above, vacuum dehydration rate is at 2.0g/100cm
2below.
Outer protective layer 400 is coated on outside outside insulation layer 300, outer protective layer 400 selects PE material to make, printed layer 600 is provided with at outer protective layer 400 outer surface, effectively can prevent cut, also wrinkle phenomenon is there will not be at bending part, be provided with uv-resistant layer 700 at printed layer 600 outer surface, the uv-resistant performance of this coating Al-alloy pipe can be improved.
Nut 800 adopts anti-cracking conducting forging processing, further increases the mechanical strength of nut 800, and nut 800 is arranged on enlarging 900 place, and the internal diameter of nut 800 is less than the external diameter of enlarging 900, can save the preparation of construction time.
The utility model has the following advantages in sum:
1) there is good durability, there is very strong corrosion resistance;
2) weight of aluminum pipe is 1/3 of copper pipe weight, so be easy to move and facilitate processing;
3) Al-alloy pipe body connectionless point, can prevent seepage, and Al-alloy pipe body adopts annealing in process in addition, makes this coating Al-alloy pipe have good softness, can bend arbitrarily, also can cut off processing voluntarily;
4) heat conductivity of aluminum pipe is 1/2 of copper pipe, and then can reduce condensation trouble;
5) there is the trumpet-shaped enlarging that waterproof construction is special, effectively can preventing the damaging problem caused because freezing;
6) adopt aluminum alloy body than the laminating body of copper aluminium or copper pipe body more economically;
7) because the material of Al-alloy pipe is single material, so can effectively reclaim, environmental protection is conducive to.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. coating Al-alloy pipe, is characterized in that, comprise
Al-alloy pipe body, described Al-alloy pipe body is made up of Al-alloy pipe, and be provided with enlarging in described Al-alloy pipe one end, described enlarging is connected by arc transition with Al-alloy pipe, and described enlarging entirety is horn-like;
Inner insulation layer, described inner insulation layer is coated on outside described Al-alloy pipe body;
Outside insulation layer, described outside insulation layer is coated on outside described inner insulation layer;
Outer protective layer, described outer protective layer is coated on outside described outside insulation layer, is provided with printed layer at described outer protective layer outer surface;
Nut, described nut is arranged on enlarging place, and the internal diameter of described nut is less than the external diameter of enlarging.
2. coating Al-alloy pipe as claimed in claim 1, is characterized in that: described outer protective layer selects PE material to make.
3. coating Al-alloy pipe as claimed in claim 1, is characterized in that: be provided with uv-resistant layer at described printed layer outer surface.
4. coating Al-alloy pipe as claimed in claim 1, is characterized in that: the angle between described enlarging and alloy pipe axis is 45 °.
5. the coating Al-alloy pipe as described in claim 1 or 4, is characterized in that: the radius of arc scope between described enlarging and alloy pipe is 0.4-0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572797.2U CN204942784U (en) | 2015-07-31 | 2015-07-31 | Coating Al-alloy pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520572797.2U CN204942784U (en) | 2015-07-31 | 2015-07-31 | Coating Al-alloy pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204942784U true CN204942784U (en) | 2016-01-06 |
Family
ID=55010213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520572797.2U Active CN204942784U (en) | 2015-07-31 | 2015-07-31 | Coating Al-alloy pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204942784U (en) |
-
2015
- 2015-07-31 CN CN201520572797.2U patent/CN204942784U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190327 Address after: No. 18 Sanhua Mountain Road, Gaoan Street, Comprehensive Economic Development Zone of Wuhu Yangtze River Bridge, Anhui Province, 241000 Patentee after: Wuhu Dajin New Material Technology Co., Ltd. Address before: 201201 Shanghai Pudong New Area Shangfeng Road 700 8 Building 101 Room A7 Patentee before: Shanghai Dajin Heating Ventilation Equipment Co., Ltd. |
|
| TR01 | Transfer of patent right |