Waterproof thermal insulation outer wall

Abstract

The utility model relates to the field of building outer walls, in particular to a waterproof heat preservation outer wall which comprises a first waterproof layer, a foundation wall, a heat preservation layer, a bonding layer and a second waterproof layer, the first waterproof layer is fixedly connected to one side of the foundation wall, and the heat preservation layer is fixedly connected to the other side of the foundation wall; one side of the bonding layer is fixedly connected to the side, away from the foundation wall, of the heat preservation layer, and the other side of the bonding layer is fixedly connected to the second waterproof layer. The heat preservation layer preserves heat of the foundation wall, the first waterproof layer and the second waterproof layer protect the heat preservation layer and the foundation wall, the double effects of heat preservation and water prevention are achieved, the foundation wall is protected, and the service life of the outer wall is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of building exterior walls, in particular to a waterproof and heat-insulating exterior wall. BACKGROUND

[0002] With the continuous development of building technology, people's requirements for the waterproof and heat-insulating performance of exterior walls are getting higher and higher. For prefabricated building exterior walls, a waterproof layer is generally laid first, and then a sealant is bonded to the joints of the exterior wall. When it rains, rainwater will stay in the glue joint, and after a long period of use, it will also cause damage to the interior of the wall. It cannot effectively protect the interior of the building exterior wall and cannot effectively block and absorb external moisture and heat, resulting in a decrease in the heat-insulating performance of the exterior wall and an easy damage to the internal structure of the building exterior wall, which shortens the service life of the building exterior wall. SUMMARY

[0003] In order to prolong the service life of the exterior wall, the present application provides a waterproof and heat-insulating exterior wall.

[0004] The waterproof and heat-insulating exterior wall provided by the present application adopts the following technical solution:

[0005] A waterproof and heat-insulating exterior wall, comprising a first waterproof layer, a base wall, a heat-insulating layer, an adhesive layer and a second waterproof layer, the first waterproof layer is fixedly connected to one side of the base wall, the heat-insulating layer is fixedly connected to the other side of the base wall, one side of the adhesive layer is fixedly connected to the side of the heat-insulating layer away from the base wall, and the other side of the adhesive layer is fixedly connected to the second waterproof layer.

[0006] By adopting the above technical solution, the heat-insulating layer insulates the base wall, the first waterproof layer and the second waterproof layer protect the heat-insulating layer and the base wall, realizing the dual functions of heat insulation and waterproofing, protecting the base wall and prolonging the service life of the exterior wall.

[0007] Preferably, it further comprises a connecting piece, one end of the connecting piece is fixedly connected to the base wall, and the other end of the connecting piece passes through the heat-insulating layer, the adhesive layer and the second waterproof layer.

[0008] By adopting the above technical solution, the connecting piece enhances the bonding force between the layers, reduces the probability of the heat-insulating layer, the adhesive layer or the second waterproof layer peeling off from the base wall, protects the base wall and prolongs the service life of the exterior wall.

[0009] Preferably, the base wall is embedded with an anchor on the side away from the first waterproof layer, the connecting piece comprises a first connecting rod, a second connecting rod and a third connecting rod, the length direction of the first connecting rod and the length direction of the third connecting rod are parallel to the height direction of the base wall, the two ends of the second connecting rod are fixedly connected to the first connecting rod and the third connecting rod respectively, the first connecting rod is fixedly connected to the anchor, the first connecting rod is arranged in the thermal insulation layer, the third connecting rod is arranged in the second waterproof layer, and the second connecting rod penetrates through the thermal insulation layer, the adhesive layer and the second waterproof layer.

[0010] By adopting the technical scheme, the structural strength of the connecting piece and each layer is improved, the connecting piece is not easy to be damaged under stress, the supporting property of the connecting piece is improved, the probability of peeling of each layer is reduced, and the service life of the outer wall is prolonged.

[0011] Preferably, the material of the thermal insulation layer is aerogel composite polyurethane.

[0012] By adopting the technical scheme, the aerogel particles are injected when the polyurethane is foamed, efficient heat insulation is achieved, and the compressive strength of the thermal insulation layer is improved.

[0013] Preferably, the thermal insulation layer is provided with a microporous pipeline, and the opening of the microporous pipeline faces downward.

[0014] By adopting the technical scheme, the microporous pipeline is used for discharging the penetrated water and balancing the internal and external air pressures of the thermal insulation layer, the probability that the water accumulation destroys the performance of the thermal insulation layer is reduced, the internal and external air pressures of the thermal insulation layer are unbalanced due to temperature difference, the thermal insulation layer is prevented from being hollowed and peeled due to the internal and external air pressure difference, the structural stability is improved, and the service life of the outer wall is prolonged.

[0015] Preferably, the second waterproof layer comprises nano-modified waterproof mortar and glass fiber mesh cloth, the glass fiber mesh cloth is arranged parallel to the base wall, and the glass fiber mesh cloth is arranged in the nano-modified waterproof mortar.

[0016] By adopting the technical scheme, the hydrophobic agent is added to the waterproof mortar to form the nano-modified waterproof mortar, rainwater can be effectively blocked, the glass fiber mesh cloth improves the ability of the waterproof layer to resist crack expansion, and the structural strength of the second waterproof layer is improved.

[0017] Preferably, the self-repairing coating is further arranged, the self-repairing coating is fixedly connected to the side of the second waterproof layer away from the adhesive layer, and the material of the self-repairing coating is photocatalytic titanium dioxide coating.

[0018] By adopting the technical scheme, the photocatalytic titanium dioxide coating can automatically decompose pollutants when encountering ultraviolet rays, bacteria breeding in cracks is reduced, crack expansion is reduced, and the outside of the outer wall is kept clean.

[0019] Preferably, the first waterproof layer comprises a mortar cushion, a vapor barrier and a waterproof coiled material layer, one side of the mortar cushion is fixedly connected to the base wall, one side of the vapor barrier is fixedly connected to the mortar cushion, and the other side of the vapor barrier is fixedly connected to the waterproof coiled material layer.

[0020] By adopting the above technical scheme, the mortar cushion improves the connection strength with the base wall, the vapor barrier reduces the probability of water vapor penetrating into the base wall, and the waterproof coiled material layer effectively realizes waterproofing, thereby prolonging the service life of the outer wall.

[0021] Preferably, the waterproof layer further comprises a corrosion-resistant layer, and the corrosion-resistant layer is fixedly connected to the side of the first waterproof layer away from the base wall.

[0022] By adopting the above technical scheme, the external organisms are prevented from damaging the first waterproof layer, the probability of cracking of the first waterproof layer is reduced, the waterproof performance of the first waterproof layer is ensured, and the service life of the outer wall is prolonged.

[0023] Preferably, the base wall is provided with a reinforcing rib.

[0024] By adopting the above technical scheme, the structural strength of the base wall is improved, the load-bearing performance of the base wall is improved, and the service life of the outer wall is prolonged.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] 1. The thermal insulation layer insulates the base wall, and the first waterproof layer and the second waterproof layer protect the thermal insulation layer and the base wall, thereby achieving the dual effects of thermal insulation and waterproofing, protecting the base wall, and prolonging the service life of the outer wall.

[0027] 2. The structural strength of the connecting piece and each layer is improved, the connecting piece is not easily damaged under stress, the supportability of the connecting piece is improved, the probability of peeling of each layer is reduced, and the service life of the outer wall is prolonged.

[0028] 3. The hydrophobic agent is added to the waterproof mortar to form nano-modified waterproof mortar, which can effectively block rainwater, and the glass fiber mesh improves the ability of the waterproof layer to resist crack propagation, thereby improving the structural strength of the second waterproof layer. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a sectional view of a waterproof thermal insulation outer wall.

[0030] Figure 2 is a sectional view of a waterproof thermal insulation outer wall, mainly used to show the micro-porous pipeline.

[0031] Figure 3 is Figure 2 is an enlarged view of A in FIG.

[0032] Explanation of reference signs: 1, sound insulation layer; 2, anticorrosive layer; 3, first waterproof layer; 31, mortar cushion layer; 32, vapor barrier layer; 33, coiled waterproof layer; 4, base wall; 41, reinforcing bar; 42, anchoring member; 5, thermal insulation layer; 51, microporous pipeline; 511, expanded polytetrafluoroethylene film; 6, adhesive layer; 7, second waterproof layer; 71, nano-modified waterproof mortar; 72, glass fiber mesh; 8, self-repairing coating; 9, connecting member; 91, first connecting rod; 92, second connecting rod; 93, third connecting rod. DETAILED DESCRIPTION

[0033] The following will be described in detail in combination with the accompanying drawings. Figures 1-3 The application is further described in detail.

[0034] The application discloses a waterproof thermal insulation outer wall. Figure 1 The waterproof thermal insulation outer wall comprises a sound insulation layer 1, an anticorrosive layer 2, a first waterproof layer 3, a base wall 4, a thermal insulation layer 5, an adhesive layer 6, a second waterproof layer 7, a self-repairing coating 8 and a connecting member 9.

[0035] The first waterproof layer 3 is fixedly connected to one side of the base wall 4, the thermal insulation layer 5 is fixedly connected to the other side of the base wall 4, one side of the anticorrosive layer 2 is fixedly connected to the side of the first waterproof layer 3 away from the base wall 4, the other side of the anticorrosive layer 2 is fixedly connected to the sound insulation layer 1, the material of the anticorrosive layer 2 is anticorrosive mortar, the material of the sound insulation layer 1 is polyester fiber sound-absorbing board, which is made of polyester fiber through hot pressing, has good sound-absorbing, sound-insulating, thermal-insulating and flame-retardant properties, and is environment-friendly and non-toxic. One side of the adhesive layer 6 is fixedly connected to the side of the thermal insulation layer 5 away from the base wall 4, the other side of the adhesive layer 6 is fixedly connected to the second waterproof layer 7, and the self-repairing coating 8 is fixedly connected to the side of the second waterproof layer 7 away from the adhesive layer 6.

[0036] Referring to Figure 1 The material of the base wall 4 is concrete, the base wall 4 is provided with reinforcing bars 41, the reinforcing bars 41 are steel bars, and the reinforcing bars 41 are provided in plurality and are evenly and spacedly arranged along the length direction of the base wall 4. The side of the base wall 4 away from the first waterproof layer 3 is embedded with anchoring members 42, the anchoring members 42 are provided in plurality and are evenly distributed on the base wall 4.

[0037] The connecting piece 9 is provided in plurality, and the connecting piece 9 is provided in one-to-one correspondence with the anchor 42. The connecting piece 9 is shaped as a Z letter. The connecting piece 9 comprises a first connecting rod 91, a second connecting rod 92 and a third connecting rod 93. The length direction of the first connecting rod 91 and the length direction of the third connecting rod 93 are both parallel to the height direction of the base wall 4. The height of the upper end of the first connecting rod 91 is equal to the height of the upper end of the third connecting rod 93. The height of the lower end of the first connecting rod 91 is equal to the height of the lower end of the third connecting rod 93. The two ends of the second connecting rod 92 are fixedly connected to the upper end of the first connecting rod 91 and the lower end of the third connecting rod 93 respectively. The first connecting rod 91 is fixedly connected to the anchor 42. The first connecting rod 91 is arranged in the thermal insulation layer 5. The third connecting rod 93 is arranged in the second waterproof layer 7. The second connecting rod 92 penetrates through the thermal insulation layer 5, the adhesive layer 6 and the second waterproof layer 7.

[0038] With reference to Figure 2 and Figure 3 The material of the thermal insulation layer 5 is aerogel composite polyurethane. Aerogel particles are injected during polyurethane foaming. This can efficiently insulate and improve the compressive strength of the thermal insulation layer 5. The thermal insulation layer 5 is provided with a plurality of microporous pipes 51. The plurality of microporous pipes 51 are uniformly and spacedly arranged along the length direction of the base wall 4. The opening of the microporous pipe 51 faces downward. The axis of the microporous pipe 51 is vertical. The diameter of the microporous pipe 51 decreases with the decrease of the height. This reduces the entry of external water vapor into the microporous pipe 51. The material of the microporous pipe 51 is high-density polyethylene. The inner wall of the microporous pipe 51 is fixedly connected with an expanded polytetrafluoroethylene film 511. The expanded polytetrafluoroethylene film 511 allows one-way discharge of water vapor and prevents reverse infiltration of external liquid water.

[0039] With reference to Figure 1 The material of the adhesive layer 6 is an interfacial agent. The second waterproof layer 7 comprises nano-modified waterproof mortar 71 and glass fiber mesh 72. The glass fiber mesh 72 is arranged parallel to the base wall 4 and is arranged in the nano-modified waterproof mortar 71. The nano-modified waterproof mortar 71 is formed by adding a hydrophobic agent to the waterproof mortar. The material of the self-repairing coating 8 is a photocatalytic titanium dioxide coating.

[0040] The first waterproof layer 3 comprises a mortar cushion layer 31, a vapor barrier layer 32 and a coiled waterproof layer 33. The mortar cushion layer 31 is fixedly connected to one side of the base wall 4. The mortar cushion layer 31 is formed by laying waterproof mortar. One side of the vapor barrier layer 32 is fixedly connected to the mortar cushion layer 31. The material of the vapor barrier layer 32 is a thin film protective material with good sealing and water resistance. The other side of the vapor barrier layer 32 is fixedly connected to the waterproof coiled layer. The waterproof coiled layer is formed by laying double-sided self-adhesive waterproof coiled material.

[0041] The implementation principle of a waterproof and thermally insulated exterior wall according to an embodiment of this application is as follows: a mortar pad 31, a vapor barrier 32, a roll waterproof layer 33, an anti-corrosion layer 2, and a sound insulation layer 1 are sequentially coated on the inner side of the base wall 4, and a fixing connector 9 is fixed. A thermal insulation layer 5 is coated on one side of the base wall 4. At the same time as coating the thermal insulation layer 5, a microporous pipe 51 is installed. An adhesive layer 6, a nano-modified waterproof mortar 71, and a self-healing coating 8 are sequentially coated on the outer side of the thermal insulation layer 5. At the same time as coating the nano-modified waterproof mortar 71, a fiberglass mesh cloth 72 is installed.

[0042] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A waterproof and heat-insulating exterior wall, characterized in that: It includes a first waterproof layer (3), a base wall (4), a thermal insulation layer (5), an adhesive layer (6), and a second waterproof layer (7). The first waterproof layer (3) is fixedly connected to one side of the base wall (4), the thermal insulation layer (5) is fixedly connected to the other side of the base wall (4), one side of the adhesive layer (6) is fixedly connected to the side of the thermal insulation layer (5) away from the base wall (4), and the other side of the adhesive layer (6) is fixedly connected to the second waterproof layer (7).

2. The waterproof and heat-insulating exterior wall according to claim 1, characterized in that: It also includes a connector (9), one end of which is fixedly connected to the base wall (4), and the other end of which passes through the insulation layer (5), the adhesive layer (6), and the second waterproof layer (7).

3. A waterproof and heat-insulating exterior wall according to claim 2, characterized in that: An anchor (42) is embedded on the side of the base wall (4) away from the first waterproof layer (3). The connector (9) includes a first connecting rod (91), a second connecting rod (92) and a third connecting rod (93). The length direction of the first connecting rod (91) and the length direction of the third connecting rod (93) are parallel to the height direction of the base wall (4). The two ends of the second connecting rod (92) are fixedly connected to the first connecting rod (91) and the third connecting rod (93) respectively. The first connecting rod (91) is fixedly connected to the anchor (42). The first connecting rod (91) is located in the insulation layer (5). The third connecting rod (93) is located in the second waterproof layer (7). The second connecting rod (92) passes through the insulation layer (5), the adhesive layer (6) and the second waterproof layer (7).

4. A waterproof and heat-insulating exterior wall according to claim 1, characterized in that: The insulation layer (5) is made of aerogel composite polyurethane.

5. A waterproof and heat-insulating exterior wall according to claim 4, characterized in that: The insulation layer (5) is provided with microporous channels (51), and the opening of the microporous channels (51) faces downward.

6. A waterproof and heat-insulating exterior wall according to claim 1, characterized in that: The second waterproof layer (7) includes nano-modified waterproof mortar (71) and fiberglass mesh (72), wherein the fiberglass mesh (72) is arranged parallel to the base wall (4) and is disposed within the nano-modified waterproof mortar (71).

7. A waterproof and heat-insulating exterior wall according to claim 1, characterized in that: It also includes a self-healing coating (8), which is fixedly connected to the side of the second waterproof layer (7) away from the adhesive layer (6), and the material of the self-healing coating (8) is a photocatalytic titanium dioxide coating.

8. A waterproof and heat-insulating exterior wall according to claim 1, characterized in that: The first waterproof layer (3) includes a mortar pad layer (31), a vapor barrier layer (32) and a roll waterproof layer (33). The mortar pad layer (31) is fixedly connected to one side of the base wall (4), one side of the vapor barrier layer (32) is fixedly connected to the mortar pad layer (31), and the other side of the vapor barrier layer (32) is fixedly connected to the roll waterproof layer (33).

9. A waterproof and heat-insulating exterior wall according to claim 1, characterized in that: It also includes an anti-corrosion layer (2), which is fixedly connected to the side of the first waterproof layer (3) away from the base wall (4).

10. A waterproof and heat-insulating exterior wall according to claim 1, characterized in that: The base wall (4) is provided with reinforcing ribs (41).

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