Composite insulation board with counter bores

Abstract

The composite insulation board comprises an inner side reinforcing layer, an insulation layer, an insulation transition layer and an outer side reinforcing layer which are connected in sequence, the inner side reinforcing layer is an anti-crack mortar layer with the thickness of 3-5 mm, the outer side reinforcing layer is an anti-crack mortar layer with the thickness of 5-7 mm, the outer side reinforcing layer is provided with a plurality of sinking holes, and the sinking holes are formed in the outer side reinforcing layer. The depth of the counter bore is 5 mm, and the diameter of the counter bore is 60 mm. According to the composite insulation board with the sunken holes, due to the fact that the sunken holes are formed, cement laitance on the board face of the composite insulation board after pouring is avoided, meanwhile, the cracking risk of a facing layer at the position of an anchor disc of a connecting piece anchor bolt is reduced, and the maintenance cost in the project using process can be saved.

Description

Technical Field

[0001] The utility model belongs to the technical field, and specifically relates to a composite thermal insulation board with sinking holes. Background Art

[0002] At present, in the integrated system of cast-in-place concrete insulation structure, after pouring, the anchor plate of the anchor bolt connector will protrude from the composite insulation board surface, and there will be slurry on the board surface. During the leveling treatment, the cement slurry needs to be removed before the leveling construction can be carried out, which increases the construction time and requires a lot of work. The composite insulation board surface will be subsequently constructed with a leveling layer and a finishing layer. During use, the finishing layer is prone to cracking at the anchor plate position, thereby increasing the maintenance cost. Utility Model Content

[0003] In order to overcome the deficiencies of the above-mentioned technology, the purpose of the utility model is to provide a composite thermal insulation board with sinking holes.

[0004] The technical solution adopted by the utility model is: a composite thermal insulation board with sinking holes, comprising an inner reinforcement layer, an insulation layer, an insulation transition layer and an outer reinforcement layer connected in sequence, the inner reinforcement layer is a 3-5mm thick anti-cracking mortar layer, the outer reinforcement layer is a 5-7mm thick anti-cracking mortar layer, a plurality of sinking holes are opened on the outer reinforcement layer, the depth of the sinking holes is 5mm, and the diameter of the sinking holes is 60mm.

[0005] Furthermore, the multiple sinking holes are composed of multiple groups of holes, the multiple groups of holes are arranged in sequence along the width direction of the outer reinforcement layer, the lateral spacing distance between two adjacent groups of holes is not more than 225mm, the multiple groups of holes are staggered in sequence in the longitudinal direction, the height difference between two adjacent groups of holes in the longitudinal direction is not more than 250mm, and the distance between the axis of the sinking hole and the side end face of the outer reinforcement layer is not more than 75mm.

[0006] Furthermore, the thermal insulation layer is any one of B1 grade polystyrene board, graphite polystyrene board, extruded board, graphite extruded board or polyurethane board.

[0007] Furthermore, the thermal insulation transition layer is a thermosetting composite polystyrene foam board with a thickness of 20-50 mm and a combustion performance of Class A.

[0008] Furthermore, a single layer of glass fiber mesh is provided in the inner reinforcement layer.

[0009] Furthermore, a double layer of glass fiber mesh is provided in the outer reinforcement layer.

[0010] Compared with the prior art, the utility model has the following beneficial effects: a composite insulation board with sinking holes, by setting the sinking holes, avoids the appearance of cement slurry on the surface of the composite insulation board after pouring, and also reduces the risk of cracking of the finishing layer at the anchor plate position, which can save maintenance costs during the use of the project. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0012] Figure 2 It is a front view structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0013] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

[0014] like Figures 1 to 2 As shown, a composite insulation board with sinking holes includes an inner reinforcement layer 1, an insulation layer 2, an insulation transition layer 3 and an outer reinforcement layer 5 which are connected in sequence, the inner reinforcement layer 1 is a 3-5mm thick anti-cracking mortar layer, the outer reinforcement layer 5 is a 5-7mm thick anti-cracking mortar layer, and a plurality of sinking holes 4 are opened on the outer reinforcement layer 5, the depth of the sinking hole 4 is 5mm, and the diameter of the sinking hole 4 is 60mm.

[0015] The plurality of sinking holes 4 are composed of a plurality of hole groups, which are arranged in sequence along the width direction of the outer reinforcing layer 5, and the lateral spacing distance between two adjacent hole groups is not greater than 225 mm, preferably 225 mm. The plurality of hole groups are staggered in sequence in the longitudinal direction, and the height difference between two adjacent hole groups in the longitudinal direction is not greater than 250 mm, preferably 250 mm. The distance between the axis of the sinking hole 4 and the side end surface of the outer reinforcing layer 5 is not greater than 75 mm, preferably 75 mm.

[0016] When the thickness of the outer reinforcement layer is greater than 7mm, the improvement in the strength of the composite insulation board is limited, and it is easy to cause the thickness of the composite insulation board to be too thick, which will affect the construction of the composite insulation board to a certain extent. Since the outer reinforcement layer is easily hit, the strength requirement here is higher than that of the inner reinforcement layer. When the thickness is less than 5mm, the outer reinforcement layer does not improve the strength of the composite insulation board enough. According to engineering verification, the outer reinforcement layer adopts the above thickness, which can enhance the anti-cracking and protection effect while reducing the thickness of the composite insulation board after forming.

[0017] When the utility model is used, the inner reinforcement layer is connected to the wall. Since the inner reinforcement layer is to be close to the wall, the inner reinforcement layer has a lower strength requirement than the outer reinforcement layer. According to engineering verification, the inner reinforcement layer with the above thickness can enhance the crack resistance, fire prevention and protection of the insulation layer, and at the same time, can reduce the overall thickness of the composite insulation board.

[0018] The thermal insulation layer 2 is any one of B1 grade polystyrene board, graphite polystyrene board, extruded board, graphite extruded board or polyurethane board.

[0019] The insulation layer made of the above materials has a low thermal conductivity, which makes the composite insulation board have better insulation performance. At the same time, the extruded board and the polyurethane board have high compressive strength, which can effectively improve the impact resistance of the composite insulation board.

[0020] The thermal insulation transition layer 3 is a thermosetting composite polystyrene foam board with a thickness of 20-50 mm and a combustion performance of Class A.

[0021] Thermosetting composite polystyrene foam board has a small density coefficient and good impact resistance. It has sufficient ability to buffer external impact force by changing and restoring its shape, thereby effectively improving the overall impact resistance of the composite insulation board. At the same time, the surface water absorption rate of the thermosetting composite polystyrene foam board is low, and the anti-penetration performance is good, which can effectively avoid wall problems such as mold and falling off after the wall is damp. Moreover, the thermosetting composite polystyrene foam board with a combustion performance of Class A overcomes the flammable shortcomings of traditional polystyrene foam boards, and effectively improves the anti-flammability, thermal insulation and crack resistance of the composite insulation board. When the thickness of the insulation transition layer is greater than 50mm, it is easy to cause the composite insulation board to have a thicker size. The overly thick composite insulation board brings a series of problems to production, transportation and construction; but when the thickness of the insulation transition layer is less than 20mm, it is easy to cause the thermal insulation of the composite insulation board to be substandard. After engineering verification, the use of the above-mentioned thickness of the insulation transition layer can play a role in fire prevention, crack resistance and certain thermal insulation.

[0022] A single layer of glass fiber mesh is arranged in the inner reinforcing layer 1, so that the utility model can reduce the weight as much as possible while maintaining the required strength.

[0023] The outer reinforcing layer 5 is provided with a double layer of glass fiber mesh, so that the utility model can reduce the weight as much as possible while maintaining the required strength.

[0024] When the utility model is working, the anchor plate of the anchor bolt used for connection is completely sunk into the sinking hole 4, and during the later surface layer construction, the position of the sinking hole is smoothed with glue powder polystyrene particles.

[0025] When the composite insulation board is not used as a non-removable formwork, it is necessary to install a building formwork on the outside of the composite insulation board. If the countersunk holes are not drilled at the location of the composite insulation board connector, the anchor plate of the anchor bolt will protrude from the board surface after the anchor bolt is installed, thereby forming a gap between the composite insulation board and the building formwork. During concrete pouring, if the composite insulation board is displaced, resulting in excessive board seams, cement slurry will overflow from the board seams, filling the composite board surface to form a layer of slurry. Since the cement slurry has no strength, it needs to be completely removed before the structure can be leveled. Removing the cement slurry will extend the construction period, increase labor costs and construction costs.

[0026] The utility model avoids the appearance of cement slurry in the back layer after pouring by arranging the sinking hole, and also reduces the risk of cracking of the finishing layer at the anchor plate position, which can save the maintenance cost during the use of the project.

[0027] The above embodiments are based on the technical solution of the present utility model, and provide detailed implementation methods and specific operation processes, but the protection scope of the present utility model is not limited to the above embodiments.

Claims

1. A composite insulation board with sinking holes, characterized in that: The invention comprises an inner reinforcing layer (1), a thermal insulation layer (2), a thermal insulation transition layer (3), a sinking hole (4) and an outer reinforcing layer (5) which are connected in sequence, wherein the inner reinforcing layer (1) is a 3-5 mm thick anti-cracking mortar layer, the outer reinforcing layer (5) is a 5-7 mm thick anti-cracking mortar layer, and the outer reinforcing layer (5) is provided with a plurality of sinking holes (4), the depth of the sinking holes (4) is 5 mm, and the diameter of the sinking holes (4) is 60 mm.

2. A composite thermal insulation board with sinking holes as claimed in claim 1, characterized in that: The plurality of sinking holes (4) are composed of a plurality of hole groups, the plurality of hole groups are arranged in sequence along the width direction of the outer reinforcing layer (5), the lateral spacing distance between two adjacent hole groups is not greater than 225 mm, the plurality of hole groups are arranged in sequence in a staggered manner in the longitudinal direction, the height difference between two adjacent hole groups in the longitudinal direction is not greater than 250 mm, and the distance between the axis of the sinking hole (4) and the side end surface of the outer reinforcing layer (5) is not greater than 75 mm.

3. A composite thermal insulation board with sinking holes as claimed in claim 1, characterized in that: The thermal insulation layer (2) is any one of a B1 grade polystyrene board, a graphite polystyrene board, an extruded board, a graphite extruded board or a polyurethane board.

4. A composite thermal insulation board with sinking holes as claimed in claim 1, characterized in that: The thermal insulation transition layer (3) is a thermosetting composite polystyrene foam board with a thickness of 20-50 mm and a combustion performance of Class A.

5. The composite insulation board with sinking holes according to claim 1, characterized in that: A single layer of glass fiber mesh is arranged in the inner reinforcement layer (1).

6. The composite insulation board with sinking holes according to claim 1, characterized in that: A double layer of glass fiber mesh is provided in the outer reinforcement layer (5).

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