CN214833617U - Heat-insulating outer wall coating structure - Google Patents
Heat-insulating outer wall coating structure Download PDFInfo
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- CN214833617U CN214833617U CN202121699044.XU CN202121699044U CN214833617U CN 214833617 U CN214833617 U CN 214833617U CN 202121699044 U CN202121699044 U CN 202121699044U CN 214833617 U CN214833617 U CN 214833617U
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Abstract
The application relates to the technical field of external wall heat insulation, in particular to a heat insulation external wall coating structure which comprises an external wall, wherein a first anti-cracking mortar layer, a heat insulation layer, a second anti-cracking mortar layer, a leveling putty layer and a reflection heat insulation layer are sequentially arranged on the surface of the external wall from inside to outside; a plurality of hollow glass beads which are randomly distributed are preset in the first anti-crack mortar layer and/or the second anti-crack mortar layer. The utility model provides an outer wall thermal-insulated coating structure is difficult for ageing, and the reflection is thermal-insulated effectual, and the adhesion is strong, and stability is good.
Description
Technical Field
The application relates to the technical field of external wall heat insulation, in particular to a heat insulation external wall coating structure.
Background
From the architectural perspective, the boundary member for enclosing a building to form an indoor space and an outdoor space is called an outer wall. It has the functions of: bear certain load, shelter from wind and rain, preserve heat and insulate heat, prevent noise, prevent fire and be safe, etc.
In hot areas, the middle and lower reaches of Yangtze river and transition areas, solar radiation is strong in summer, outdoor heat is transmitted into the room through an outer wall, the indoor temperature is raised, and an overheating phenomenon is generated. In addition, in winter, in addition to no centralized heating equipment, cold air can also enter the room through the outer wall, so that the indoor temperature is reduced, and the work and life of people are influenced. In order to improve the living environment of the house and improve the living quality and the indoor comfort level, the heat insulation performance of the outer wall is more and more concerned by people.
At present, most of building exterior walls achieve the heat insulation effect only by coating a layer of reflective heat insulation coating, or a layer of reflective heat insulation coating is coated after a layer of heat insulation coating is coated on the surface of the exterior wall. However, the heat preservation and insulation effects of the two methods are not ideal and still need to be improved.
SUMMERY OF THE UTILITY MODEL
In order to improve the thermal-insulated effect of heat preservation of outer wall, this application provides a thermal-insulated outer wall coating structure.
The application provides a thermal-insulated outer wall coating structure adopts following technical scheme:
a heat insulation outer wall coating structure comprises an outer wall, wherein a first anti-cracking mortar layer, a heat insulation layer, a second anti-cracking mortar layer, a leveling putty layer and a reflection heat insulation layer are sequentially arranged on the surface of the outer wall from inside to outside; a plurality of hollow glass beads which are randomly distributed are preset in the first anti-crack mortar layer and/or the second anti-crack mortar layer.
Through adopting above-mentioned technical scheme, set gradually first anti-crack mortar layer outside the outer wall, the thermal insulation layer, the anti-crack mortar layer of second, make level putty layer and reflection thermal insulation layer, wherein, the stability of outer wall structure can be improved on first anti-crack mortar layer and the anti-crack mortar layer of second, a plurality of hollow glass microballons of predetermineeing in first anti-crack mortar layer and/or the anti-crack mortar layer of second, it is low to have density, the coefficient of heat conductivity is little, the good characteristic of heat-proof quality, can obviously improve the thermal insulation performance of outer wall structure, and hollow glass microballon surface is hard, still can improve the intensity of outer wall structure. The heat preservation and insulation layer is a main heat preservation and insulation material and can further play a role in heat preservation and insulation when arranged between the two anti-crack mortar layers. The leveling putty layer is used for repairing the defects of the unevenness of the surface of the second anti-cracking mortar layer. The reflective heat-insulating layer mainly plays a role in reflection, reflects or refracts sunlight to the surrounding environment, and thus plays a role in heat dissipation and heat insulation.
Preferably, a plurality of connecting pieces are fixedly arranged between the first anti-cracking mortar layer and the second anti-cracking mortar layer, and through holes for the connecting pieces to pass through are preset in the heat-insulating layer. The connecting member may be selected from other rigid materials such as reinforcing steel bars and the like which can perform the connecting function.
Through adopting above-mentioned technical scheme, the connecting piece is with first anti-crack mortar layer and second anti-crack mortar layer fixed connection to firmly fix the thermal insulation layer between two-layer anti-crack mortar layer, improved outer wall structure's overall stability.
Preferably, the heat-insulating layer is a polyurethane heat-insulating layer, specifically a polyurethane heat-insulating plate, which is obtained from the Gallery Australian thermal insulation materials Co., Ltd, has a heat conductivity coefficient of 0.024W/(m.K), an oxygen index of not less than 26%, a combustion grade of B1 grade, and a thickness of 1-10 cm.
By adopting the technical scheme, the polyurethane heat-insulating board has the advantages of lower heat conductivity coefficient and better hot processing performance, has excellent heat-insulating performance when being applied to an outer wall heat-insulating layer, has better deformation resistance and is not easy to crack. Meanwhile, the outer wall structure can be endowed with better freeze-thaw resistance and attractive performance under the influence of the performance of the polyurethane material.
Preferably, a plurality of heat preservation cavities are preset in the heat preservation and insulation layer.
The heat preservation cavity can be set as regular pattern cavities such as a square cavity, a triangular cavity, a round cavity and the like, and can also be set as irregular pattern cavities. Meanwhile, according to different requirements, heat insulation materials such as heat insulation cotton and the like can be placed in the cavity, so that the heat insulation performance of the outer wall structure is further improved.
By adopting the technical scheme, the heat insulation cavity has a buffering effect on cold air and hot air, and the heat insulation performance of the heat insulation layer can be further improved.
Preferably, a fastener is arranged between the heat insulation layer and the first anti-cracking mortar layer, and the heat insulation layer and the first anti-cracking mortar layer are fixedly connected through the fastener.
Through adopting above-mentioned technical scheme, the setting of fastener can further improve the joint strength between heat preservation insulating layer and the first anti mortar layer that splits, and then improves outer wall structure overall structure's stability, prolongs outer wall structure's life.
Preferably, the thickness of the first crack-resistant mortar layer and the second crack-resistant mortar layer is 2-6 mm.
Further, the thickness of the first anti-crack mortar layer and the second anti-crack mortar layer is 2-4 mm.
Preferably, the thickness of the leveling putty layer is 1-4 mm.
Further, the thickness of the leveling putty layer is 1-2 mm.
Preferably, the thickness of the reflective and heat-insulating layer is 0.2-1 mm.
Further, the thickness of the reflective heat insulation layer is 0.5-1 mm.
Through adopting above-mentioned technical scheme, through the further optimization to above-mentioned coating structure thickness, can reduce the whole thickness of outer wall structure on guaranteeing outer wall structure heat preservation heat-proof quality's basis as far as possible, reduce the total bearing of building, reduce cost simultaneously.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the method, the hollow glass beads are preset in the first anti-crack mortar layer and/or the second anti-crack mortar layer, and the heat insulation performance of the outer wall structure is greatly improved due to the fact that the hollow glass beads are small in heat conductivity coefficient and excellent in heat insulation performance;
2. the heat insulation cavity is arranged, so that the cold air and the hot air are buffered, and the heat insulation performance of the outer wall structure is improved;
3. this application has improved outer wall structure's overall stability through setting up connecting piece and fastener, has suitably prolonged outer wall structure's life.
Drawings
FIG. 1 is a cross-sectional view of an insulated exterior wall coating construction according to an embodiment of the present application;
fig. 2 is an enlarged view of a portion a in fig. 1.
Reference numerals: 1. an outer wall; 2. a first anti-crack mortar layer; 3. a heat insulation layer; 4. a second crack resistant mortar layer; 5. leveling a putty layer; 6. a reflective insulation layer; 7. hollow glass beads; 8. a connecting member; 9. a through hole; 10. a heat preservation cavity; 11. a fastener.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a heat insulation outer wall 1 coating structure. Referring to fig. 1, thermal-insulated outer wall 1 coating structure includes outer wall 1, 1 surface of outer wall is provided with first anti mortar layer 2 that splits, one side that outer wall 1 was kept away from on anti mortar layer is provided with thermal insulation layer 3, one side that thermal insulation layer 3 kept away from first anti mortar layer 2 is provided with second anti mortar layer 4 that splits, one side that thermal insulation layer 3 was kept away from on second anti mortar layer 4 is provided with leveling putty layer 5, one side that second anti mortar layer 4 was kept away from to leveling putty layer 5 is provided with reflective insulation layer 6.
The anti-cracking mortar used for the first anti-cracking mortar layer 2 and the second anti-cracking mortar layer 4 is obtained from Sichuan European Unibo thermal insulation material Co., Ltd., the product number is 01, the water cement ratio is 6:4, the thickness of the first anti-cracking mortar layer 2 and the thickness of the second anti-cracking mortar layer 4 can be 2-6mm, in the embodiment of the application, the thickness of the first anti-cracking mortar layer 2 is 2mm, and the thickness of the second anti-cracking mortar layer 4 is 3 mm. The first anti-crack mortar layer 2 and the second anti-crack mortar layer 4 can improve the overall stability of the outer wall structure, and then the service life of the outer wall structure is prolonged.
The heat insulation layer 3 is a polyurethane heat insulation layer, specifically is a polyurethane heat insulation plate, is collected from gallery Australian thermal insulation materials Co., Ltd, has a heat conductivity coefficient of 0.024W/(m.K), an oxygen index of not less than 26%, a combustion grade of B1 grade, and a thickness of 1-10cm, and in the embodiment of the application, a polyurethane heat insulation plate with a thickness of 2cm is adopted. The heat preservation and insulation layer 3 has excellent heat insulation performance, can effectively insulate heat and preserve heat, has better deformation resistance and is not easy to crack.
The putty powder adopted by the leveling putty layer 5 is obtained from Huashenlong decoration engineering Co., Ltd, Shenzhen, and the model is W240-A, the thickness of the leveling putty layer 5 can be 1-4mm, and in the embodiment of the application, the thickness of the leveling putty layer 5 is 1.5 mm. The leveling putty layer 5 is used for repairing the uneven surface defect of the second anti-cracking mortar layer 4, so that the flatness is improved, and the subsequent spraying is convenient to form the reflective and thermal insulation layer 6.
The reflective heat insulation layer 6 is formed by spraying reflective heat insulation coating, the reflective heat insulation coating is made from Hangzhou Mingmi paint, the model is MMGR801, the thickness of the reflective heat insulation layer 6 can be 0.2-1mm, and in the embodiment of the application, the thickness of the reflective heat insulation layer 6 is 0.6 mm. The reflective and thermal insulation layer 6 plays a thermal insulation role by reflecting sunlight, and the reflective and thermal insulation layer 6 is not easy to age, crack or peel, has good water resistance, excellent ultraviolet resistance and long service life.
Referring to fig. 1 and 2, in the embodiment of the application, a plurality of randomly distributed hollow glass beads 7 are preset in both the first anti-cracking mortar layer 2 and the second anti-cracking mortar layer 4, wherein the hollow glass beads 7 are obtained from Guangdong fire-Lun building materials science and technology development Co., Ltd, are NBS-121 in model number, NBD-121 in product number, and have a thermal conductivity coefficient of 0.0035W/(m.K). The hollow glass bead 7 is preset in the following manner: and (3) mixing the hollow glass beads 7 accounting for 0.05 percent of the total weight of the anti-crack mortar raw materials into the anti-crack mortar raw materials, and stirring and uniformly mixing. The hollow glass beads 7 have the advantages of small heat conductivity coefficient, excellent heat insulation, hard surface and the like, and can obviously improve the heat insulation performance of the outer wall structure and the strength of the outer wall structure.
Referring to fig. 1 and 2, a plurality of connecting members 8 are further uniformly fixed between the first anti-crack mortar layer 2 and the second anti-crack mortar layer 4, in the embodiment of the present application, the connecting members 8 are reinforcing steel bars, and the heat insulating layer 3 is provided with through holes 9 for the connecting members 8 to pass through. The connecting piece 8 is arranged to further improve the overall stability of the outer wall structure, and the heat-insulating layer 3 is firmly fixed between the first anti-cracking mortar layer 2 and the second anti-cracking mortar layer 4. In order to further improve the fixing firmness of the thermal insulation layer 3, a fastening member 11 is further arranged between the thermal insulation layer 3 and the first anti-cracking mortar layer 2, in the embodiment of the application, the fastening member 11 is a locking bolt, and after the thermal insulation layer 3 is arranged, the thermal insulation layer 3 and the first anti-cracking mortar layer 2 are locked and fixed by using the locking bolt.
Referring to fig. 1 and 2, in order to further improve the thermal insulation performance of the outer wall structure, a plurality of thermal insulation cavities 10 are also preset in the thermal insulation layer 3, and the thermal insulation cavities 10 may be regular pattern cavities such as square cavities, triangular cavities, circular cavities, and the like, or irregular pattern cavities, in the embodiment of the present application, the thermal insulation cavities 10 are triangular cavities.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A heat insulation outer wall coating structure comprises an outer wall (1), and is characterized in that a first anti-cracking mortar layer (2), a heat insulation layer (3), a second anti-cracking mortar layer (4), a leveling putty layer (5) and a reflection heat insulation layer (6) are sequentially arranged on the surface of the outer wall (1) from inside to outside; a plurality of hollow glass beads (7) which are randomly distributed are preset in the first anti-cracking mortar layer (2) and/or the second anti-cracking mortar layer (4).
2. The heat-insulating outer wall coating structure according to claim 1, wherein a plurality of connecting pieces (8) are fixedly arranged between the first anti-crack mortar layer (2) and the second anti-crack mortar layer (4), and through holes (9) for the connecting pieces (8) to pass through are preset in the heat-insulating layer (3).
3. The insulating exterior wall coating structure according to claim 1 or 2, wherein the heat insulating layer (3) is a polyurethane heat insulating layer.
4. The insulated exterior wall coating structure according to claim 3, wherein a plurality of insulation cavities (10) are preset in the insulation layer (3).
5. The insulated exterior wall coating structure according to claim 3, wherein a fastener (11) is arranged between the heat insulating layer (3) and the first crack-resistant mortar layer (2), and the heat insulating layer (3) and the first crack-resistant mortar layer (2) are fixedly connected through the fastener (11).
6. The insulating exterior wall coating structure according to claim 1, wherein the thickness of the first and second crack-resistant mortar layers (2, 4) is 2-6 mm.
7. The insulating exterior wall coating structure according to claim 1, wherein the thickness of the leveling putty layer (5) is 1-4 mm.
8. The insulating exterior wall coating structure according to claim 1, wherein the thickness of the reflective insulation layer (6) is 0.2-1 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121699044.XU CN214833617U (en) | 2021-07-24 | 2021-07-24 | Heat-insulating outer wall coating structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121699044.XU CN214833617U (en) | 2021-07-24 | 2021-07-24 | Heat-insulating outer wall coating structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919243A (en) * | 2022-04-18 | 2022-08-19 | 华阳新材料科技集团有限公司 | Heat insulation device and manufacturing method thereof |
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2021
- 2021-07-24 CN CN202121699044.XU patent/CN214833617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919243A (en) * | 2022-04-18 | 2022-08-19 | 华阳新材料科技集团有限公司 | Heat insulation device and manufacturing method thereof |
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