CN204163559U - A kind of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy - Google Patents
A kind of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy Download PDFInfo
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- CN204163559U CN204163559U CN201420634486.XU CN201420634486U CN204163559U CN 204163559 U CN204163559 U CN 204163559U CN 201420634486 U CN201420634486 U CN 201420634486U CN 204163559 U CN204163559 U CN 204163559U
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Abstract
The utility model discloses a kind of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy, be made up of the first aluminium extruded sections, the second aluminium extruded sections and I shape heat insulating strip; Described I shape heat insulating strip is arranged between the first aluminium extruded sections and the second aluminium extruded sections; Described I shape heat insulating strip has layer glass layer of cloth; Described I shape heat insulating strip is two, and parallel to each other; Be provided with projection inside described first aluminium, projection is provided with two heat insulating strip draw-in grooves; Be provided with projection inside described second aluminium, projection is provided with two heat insulating strip draw-in grooves; Described heat insulating strip is arranged in the heat insulating strip draw-in groove of the first aluminium and the heat insulating strip draw-in groove of the second aluminium.The heat insulating strip mechanical property that the utility model provides is good, fire-retardant, is two and be arranged in parallel, avoid the defect of hollow in prior art, and preparation is simple, and cost is low, is suitable for suitability for industrialized production.
Description
Technical field
The utility model relates to aluminium alloy extrusions technical field, particularly relates to a kind of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy.
Background technology
China's alumium alloy door and window and curtain wall are produced, consumption big country, and greatly, the consumption of its main composition aluminium alloy extrusions is also very large for the alumium alloy door and window that each year is completed and curtain wall quantity.Because aluminium alloys coefficient of thermal conductivity is large, energy-saving effect is poor, and energy waste is serious, does not meet the requirement of heat-insulating sound-insulating, lightweight.
Along with science and technology and the development of engineering, bridge-cut-off aluminum door and window has the features such as lightweight, intensity is high, good rigidly, corrosion resistant are nontoxic, fireproof performance is excellent, daylighting area is large, good decorating effect, long service life, is extensively accepted by social.But its shortcoming or coefficient of thermal conductivity is larger, thermal insulation bar poor performance.Between first aluminium extruded sections, the second aluminium extruded sections of the aluminium alloy extrusions of bridge-cut-off aluminum door and window, arrange heat insulating strip obtain the inherent defect that bridge cutoff structure heat insulated shape bar of aluminum alloy compensate for bridge-cut-off aluminum, Novel broken bridge heat insulating strip bridge-cut-off aluminum door and window is approved by people gradually.
Critical component in bridge cutoff structure heat insulated shape bar of aluminum alloy is the heat insulating strip playing connection function between the first aluminium extruded sections, the second aluminium extruded sections, and it is organic material.Environment for use determines heat insulating strip must possess higher mechanical property and the stability of excellence simultaneously, otherwise because the aging of himself easily causes door and window, curtain wall breaking releasing in Long-Time Service process, there is great security-hidden trouble.
In addition, as daily life material, bridge cutoff structure heat insulated shape bar of aluminum alloy must possess fireproof performance, and heat insulating strip wherein plays decisive action, and in prior art, few people mention this important but not so good thing solved; Aging is the inevitable process of organic material, light stimulation, the change of weather, the change of temperature, the change of humidity all can promote the aging of organic material, and then cause the decline of material monolithic performance, greatly reduce heat insulation, soundproof effect and mechanical property.Bridge cutoff structure heat insulated shape bar of aluminum alloy is the complex structure body of multiple material, be subject to expanding with heat and contract with cold the impact of this natural phenomena especially, the unmatched coefficient of thermal expansion of each storeroom causes each more and more stronger, macroscopical gap of interstructural microcosmic heterogeneity increasing, especially as the organic material of heat insulating strip material, coefficient of thermal expansion is far above metal material, and this coupling accelerates the aging of heat insulating strip.
Simultaneously, in prior art, the connecting portion of heat insulating strip and aluminium is or for inclined-plane or for arc, all irregular, prepare more bothersome and easily to there is two sides not parallel, contact surface is tight, widely using, bridge cutoff structure heat insulated shape bar of aluminum alloy must easily be processed, must contact tight between each building block and preparation cost is low to be adapted at generating.
Summary of the invention
The purpose of this utility model is to provide a kind of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy, it is in conjunction with intermetallic composite coating and macromolecule inorganic composite materials technology, design is unique, structure is simple, easy to prepare, there is excellent heat insulation performance, mechanical property, fire resistance, and the coefficient of expansion of heat insulating strip and aluminium extruded sections is tending towards close, weakens the aging of organic material.
For achieving the above object, the technical solution adopted in the utility model is: a kind of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy, is made up of the first aluminium extruded sections, the second aluminium extruded sections and I shape heat insulating strip; Described I shape heat insulating strip is arranged between the first aluminium extruded sections and the second aluminium extruded sections; Described I shape heat insulating strip has layer glass layer of cloth; The width of described layer glass layer of cloth is all 88 ~ 95% of described I shape heat insulating strip height; Distance between described layer glass layer of cloth is 28 ~ 32% of described I shape heat insulating strip waist width; Described glass fabric layer mass area ratio is 15 ~ 20g/m
2; Described I shape heat insulating strip is two, and parallel to each other; Be provided with projection inside described first aluminium, projection is provided with two heat insulating strip draw-in grooves; Be provided with projection inside described second aluminium, projection is provided with two heat insulating strip draw-in grooves; Described heat insulating strip is arranged in the heat insulating strip draw-in groove of the first aluminium and the heat insulating strip draw-in groove of the second aluminium.
In technique scheme, described heat insulating strip waist width is 8 ~ 12mm.
In the utility model, heat insulating strip plays heat insulation, sound insulation function effectively, is I-shaped structure, leg and waist orthogonal, be all rectangular structure, waist width is thickness, the distance between two leg outer sides be height.The mechanical property that two heat insulating strips can ensure heat insulated shape bar of aluminum alloy is set, and two heat insulating strips are the same, reduce production difficulty, decrease production defect, ensure that production quality.
In the utility model, the mass area ratio of the glass fabric selected by glass fabric layer is very important, this embodies the space in glass fabric between each glass fiber, has influence on the composite performance between glass fabric and the organic material preparing heat insulating strip, is related to the performance of whole aluminium extruded sections further.Described glass fabric layer is vertical with the leg of I shape heat insulating strip, parallel with the waist of I shape heat insulating strip; The width of glass fabric layer is 88 ~ 95% of described I shape heat insulating strip height, namely two legs of I shape heat insulating strip all do not contact with glass fabric layer, distance between layer glass layer of cloth is 28 ~ 32% of described I shape heat insulating strip waist width, the stability of this direct relation heat insulating strip; Preferably two legs of I shape heat insulating strip do not contact with glass fabric layer, glass fabric layer is the same to the distance of two leg outer sides of I shape heat insulating strip, and layer glass layer of cloth is the same with the distance of the lateral surface of the I shape heat insulating strip waist near apart from oneself, which decrease the defect of organic/inorganic composite material, ensure that the mechanical property of material.
In the utility model, heat insulating strip can adopt the mode of mold pressing to prepare.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the utility model proposes the heat insulated shape bar of aluminum alloy containing the heat insulating strip with glass fabric structure first, design is unique, structure is simple, easy to prepare, there is excellent heat insulation performance, mechanical property, fire resistance, and the coefficient of expansion of heat insulating strip and aluminium extruded sections is tending towards close, weaken the aging of heat insulating strip;
2. the utility model proposes I shape heat insulating strip first, tactical rule, draw-in groove on corresponding aluminium extruded sections is also regular, tooth punching is convenient, not only avoid the preparation of complicated draw-in groove in prior art, decrease the defect between heat insulating strip and draw-in groove, conveniently wear bar, add the tight ness rating of heat insulating strip and draw-in groove;
3. the heat insulating strip mechanical property that provides of the utility model is good, fire-retardant, is two and be arranged in parallel, avoid the defect of hollow in prior art, and preparation is simple, and cost is low, is suitable for suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is the structural representation of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy in embodiment two;
Fig. 2 is the structural representation of heat insulating strip in embodiment two;
Wherein: the projection, 32 that be projection, 12 inside the first aluminium to be heat insulating strip draw-in groove, 31 be inside the second aluminium that 1 be the first aluminium extruded sections, 2 be heat insulating strip, 3 is the second aluminium extruded sections, 11 is heat insulating strip draw-in groove, 21 be glass fabric layer, 22 be glass fabric layer.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment one: the preparation of I shape heat insulating strip
During actual production, the raw material preparing heat insulating strip is inserted in mould, precompressed, repave last layer glass fabric layer, then add the raw material preparing heat insulating strip, then precompressed; Repave last layer glass fabric layer, then add the raw material preparing heat insulating strip, third time precompressed; Finally open heat insulating strip pressing holotype, prepare required heat insulating strip.Heat insulation strip structure rule, preparation is simple, and the aluminium of its correspondence is slotted, comparatively prior art decline is a lot of for difficulty.
Specifically comprise the following steps:
(1) add in screw extruder by polyhexamethylene adipamide, polypropylene, bisphenol A epoxide resin monomer, imidazoles, melamine, in 160 ~ 200 DEG C, extruding pelletization, obtains particle; In mass ratio, polyhexamethylene adipamide: polypropylene: bisphenol A epoxide resin monomer: imidazoles: melamine is 100: 62: 20: 4: 10;
(2) above-mentioned particle is inserted in mould, first time precompressed; Then open mould, put into one deck glass fabric, glass fabric is placed the particle of step (1), second time precompressed; Then open mould, put into one deck glass fabric, glass fabric is placed the particle of step (1), third time precompressed; Last pressing; Obtain I shape heat insulating strip; The mass area ratio of described glass fabric is 15 ~ 17g/m
2; The width of layer glass cloth is all 4.5cm; Distance between described layer glass cloth is 3mm.
The temperature of first time precompressed is 180 DEG C, and the time is 30s, and pressure is 1MPa; The temperature of second time precompressed is 180 DEG C, and the time is 50s, and pressure is 1MPa; The temperature of third time precompressed is 180 DEG C, and the time is 30s, and pressure is 1MPa; The temperature of pressing is 200 DEG C, and the time is 80s, and pressure is 1.4MPa.
Heat insulation performance, hot strength, oxygen index (OI) test are carried out to heat insulating strip, tests three heat insulating strips, the results are shown in Table 1, the heat insulation performance that above-mentioned heat insulating strip has had and mechanical property, fire resistance can be found out.
The performance of table 1 heat insulating strip
Embodiment two: shown in Fig. 1-2, a kind of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy, is made up of with I shape heat insulating strip 2 the first aluminium extruded sections 1, second aluminium extruded sections 3; Described I shape heat insulating strip 2 is arranged between the first aluminium extruded sections 1 and the second aluminium extruded sections 3; Described I shape heat insulating strip 2 has glass fabric layer 21, glass fabric layer 22; The width of described layer glass layer of cloth is all 4.5cm; Distance between described layer glass layer of cloth is 3mm; Described glass fabric layer mass area ratio is 15 ~ 17g/m
2; Described I shape heat insulating strip is two, and parallel to each other; Be provided with protruding 11 inside described first aluminium, projection is provided with two heat insulating strip draw-in grooves 12; Be provided with protruding 31 inside described second aluminium, projection is provided with two heat insulating strip draw-in grooves 32; Described heat insulating strip is arranged in the heat insulating strip draw-in groove of the first aluminium and the heat insulating strip draw-in groove of the second aluminium.
In above-mentioned pair of bar bridge cutoff structure heat insulated shape bar of aluminum alloy, described heat insulating strip waist width is 10mm.
Embodiment three: a kind of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy, is made up of the first aluminium extruded sections, the second aluminium extruded sections and I shape heat insulating strip; Described I shape heat insulating strip is arranged between the first aluminium extruded sections and the second aluminium extruded sections; Described I shape heat insulating strip has layer glass layer of cloth; The width of described layer glass layer of cloth is all 4.4cm; Distance between described layer glass layer of cloth is 3.1mm; Described glass fabric layer mass area ratio is 18 ~ 20g/m
2; Described I shape heat insulating strip is two, and parallel to each other; Be provided with projection inside described first aluminium, projection is provided with two heat insulating strip draw-in grooves; Be provided with projection inside described second aluminium, projection is provided with two heat insulating strip draw-in grooves; Described heat insulating strip is arranged in the heat insulating strip draw-in groove of the first aluminium and the heat insulating strip draw-in groove of the second aluminium.
In above-mentioned pair of bar bridge cutoff structure heat insulated shape bar of aluminum alloy, described heat insulating strip waist width is 11mm.
Claims (2)
1. a two bar bridge cutoff structure heat insulated shape bar of aluminum alloy, is characterized in that: be made up of the first aluminium extruded sections, the second aluminium extruded sections and I shape heat insulating strip; Described I shape heat insulating strip is arranged between the first aluminium extruded sections and the second aluminium extruded sections; Described I shape heat insulating strip has layer glass layer of cloth; The width of described layer glass layer of cloth is all 88 ~ 95% of described I shape heat insulating strip height; Distance between described layer glass layer of cloth is 28 ~ 32% of described I shape heat insulating strip waist width; Described glass fabric layer mass area ratio is 15 ~ 20g/m
2; Described I shape heat insulating strip is two, and parallel to each other; Be provided with projection inside described first aluminium, projection is provided with two heat insulating strip draw-in grooves; Be provided with projection inside described second aluminium, projection is provided with two heat insulating strip draw-in grooves; Described heat insulating strip is arranged in the heat insulating strip draw-in groove of the first aluminium and the heat insulating strip draw-in groove of the second aluminium.
2. according to claim 1 pair of bar bridge cutoff structure heat insulated shape bar of aluminum alloy, is characterized in that: described heat insulating strip waist width is 8 ~ 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420634486.XU CN204163559U (en) | 2014-10-28 | 2014-10-28 | A kind of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420634486.XU CN204163559U (en) | 2014-10-28 | 2014-10-28 | A kind of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy |
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| CN204163559U true CN204163559U (en) | 2015-02-18 |
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| CN201420634486.XU Expired - Fee Related CN204163559U (en) | 2014-10-28 | 2014-10-28 | A kind of two bar bridge cutoff structure heat insulated shape bar of aluminum alloy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888450A (en) * | 2014-10-28 | 2016-08-24 | 江苏伟业铝材有限公司 | Thermal insulation aluminum alloy profile with double bridge-cutoff structures |
| CN106320899A (en) * | 2016-08-29 | 2017-01-11 | 四川齐飞铝业有限公司 | Safe dampproof broken bridge aluminum sectional material window |
-
2014
- 2014-10-28 CN CN201420634486.XU patent/CN204163559U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888450A (en) * | 2014-10-28 | 2016-08-24 | 江苏伟业铝材有限公司 | Thermal insulation aluminum alloy profile with double bridge-cutoff structures |
| CN106320899A (en) * | 2016-08-29 | 2017-01-11 | 四川齐飞铝业有限公司 | Safe dampproof broken bridge aluminum sectional material window |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20181028 |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Yu Document name: Notification of Termination of Patent Right |