Steel wire net rack composite thermal insulation external wall panel

Abstract

The utility model relates to the technical field of building outer walls, in particular to a steel wire net frame composite heat preservation outer wall board which comprises inclined penetrating V-shaped metal web wires, connecting pieces, a heat preservation layer, a protection layer and a surface layer, and the protection layer and the surface layer are sequentially arranged on the two sides of the heat preservation layer from inside to outside. The heat preservation layer comprises a graphite polystyrene board and perlite boards arranged on the two sides of the graphite polystyrene board. One end of the obliquely-penetrating V-shaped metal web wire is positioned in the protective layer, and the other end of the obliquely-penetrating V-shaped metal web wire penetrates through the perlite plate and is inserted into the graphite polystyrene plate; and the connecting pieces are oppositely connected with the protective layers on two sides of the insulating layer. The integrality of the wall body is guaranteed through the connecting pieces and the inclined penetrating V-shaped metal web wires, and the fracture possibility of the wall body is reduced; the protective layer is adopted to further prevent the wall board from being broken and falling off, and the graphite polystyrene board and the perlite board are adopted to meet the passive heat preservation requirement.

Description

TECHNICAL FIELD

[0001] The utility model belongs to building outer wall technical field, concretely relates to a steel wire net rack composite heat preservation outer wall board. BACKGROUND

[0002] The outer wall heat preservation system usually refers to the non-load bearing heat preservation structure which is composed of the heat preservation layer, the protection layer and the fixing material (adhesive, anchor etc.) and is suitable for being installed on the outer surface of the outer wall.

[0003] The existing heat preservation outer wall board is broken in the long-time use process, and the heat preservation layer is exposed, so that the heat preservation layer is damaged and the heat preservation and heat insulation function of the heat preservation layer is lost. UTILITY MODEL CONTENT

[0004] In view of the problems existing in the above-mentioned existing construction technology, the utility model provides a steel wire net rack composite heat preservation outer wall board, and solves the problem that the outer plate of the existing heat preservation outer wall board is easy to be broken and affects the heat preservation and heat insulation effect of the heat preservation layer.

[0005] The utility model discloses a steel wire net rack composite heat preservation outer wall board, which comprises: a diagonal V-shaped metal web, a connecting piece, a heat preservation layer and a protection layer and a surface layer arranged in sequence from inside to outside on both sides of the heat preservation layer, the heat preservation layer comprises a graphite polystyrene board and perlite boards arranged on both sides of the graphite polystyrene board, one end of the diagonal V-shaped metal web is located in the protection layer, the other end penetrates through the perlite board and is inserted into the graphite polystyrene board, and the connecting piece is used for connecting the protection layers on both sides of the heat preservation layer.

[0006] Further, the protection layer comprises a cement mortar layer, a crack-resistant mortar layer and a galvanized steel wire mesh, and the galvanized steel wire mesh is arranged close to the heat preservation layer.

[0007] Further, the thickness of the cement mortar layer is greater than that of the crack-resistant mortar layer.

[0008] Further, the heat preservation layer comprises a plurality of heat preservation boards connected in sequence, the connecting seams of adjacent heat preservation boards are stepped seams, each heat preservation board comprises a graphite polystyrene board and the perlite boards clamped on both sides of the graphite polystyrene board.

[0009] Further, each heat preservation board is provided with at least one connecting piece.

[0010] Further, a plurality of diagonal V-shaped metal webs are arranged in sequence and at intervals along the height direction of each heat preservation board.

[0011] Further, the two sides of adjacent heat preservation boards are respectively provided with reinforcing flat nets, and the reinforcing flat nets cover the connecting seams.

[0012] Further, the reinforcing flat net is located on the side of the galvanized steel wire mesh away from the thermal insulation layer.

[0013] Further, the thickness of the graphite polystyrene board is greater than that of the perlite board.

[0014] Further, the connecting piece is a non-metallic connecting piece.

[0015] The beneficial effects of the present application are as follows: the present application uses connecting pieces and inclined V-shaped metal webbing to ensure the integrity of the wall, and reduce the possibility of wall fracture; cement mortar layer, anti-cracking mortar layer and galvanized steel wire mesh are used as protective layers to further avoid wall panel surface fracture and falling, graphite polystyrene board and perlite board are used to achieve passive thermal insulation requirements. When the length of the thermal insulation layer is too long and multiple thermal insulation boards need to be spliced, a stepped splicing joint is used, and a reinforcing flat net is added to increase the connection strength of the splicing joint. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 is a structural schematic diagram of the steel wire mesh frame composite thermal insulation external wall board of the present application;

[0017] Figure 2 Fig. 2 is a structural schematic diagram of the steel wire mesh frame composite thermal insulation external wall board of the present application provided with a groove.

[0018] In the figure: 1 - surface layer; 2 - protective layer; 3 - galvanized steel wire mesh; 4 - perlite board; 5 - graphite polystyrene board; 6 - non-metallic connecting piece; 7 - splicing joint; 8 - reinforcing flat net; 9 - inclined V-shaped metal webbing; 10 - perlite board filling layer; 11 - silicone sealant. DETAILED DESCRIPTION

[0019] The present application will be further described in detail below in combination with the drawings and specific embodiments:

[0020] As Figure 1The illustrated steel wire mesh frame composite thermal insulation outer wall board comprises: diagonal V-shaped metal webbing 9, connecting pieces, a thermal insulation layer, and a protective layer 2 and a surface layer 1 arranged in sequence from inside to outside on both sides of the thermal insulation layer; the thermal insulation layer comprises graphite polystyrene boards 5 and perlite boards 4 arranged on both sides of the graphite polystyrene boards 5, the thickness of the perlite boards 4 is 20-30 mm, the thickness of the graphite polystyrene boards 5 is 200-250 mm, the combustion performance level is B1, and the thermal conductivity coefficient is less than or equal to 0.032; one end of the diagonal V-shaped metal webbing 9 is located in the protective layer 2, the other end penetrates through the perlite board 4 and is inserted into the graphite polystyrene board 5, the diagonal V-shaped metal webbing 9 is made of low-carbon galvanized steel wire with a diameter of 2-5 mm, the upper and lower spacing is 100-200 mm, and the left and right spacing is 1 m; the connecting pieces are used to connect the protective layers 2 on both sides of the thermal insulation layer, the connecting pieces are non-metal connecting pieces 6, and the non-metal connecting pieces 6 are used to connect the composite thermal insulation outer wall board into a whole. Plastic heat insulation end caps are arranged at both ends of the non-metal connecting pieces 6, or glass fiber reinforced plastic nails are used to block the heat bridge. The protective layer 2 comprises a cement mortar layer, a crack-resistant mortar layer, and a galvanized steel wire mesh 3, and the galvanized steel wire mesh 3 is arranged close to the thermal insulation layer. Glass fiber mesh is pressed into the crack-resistant mortar layer. The cement mortar layer is formed by spraying, the thickness of the cement mortar layer is 30 mm, the thickness of the crack-resistant mortar layer is 5 mm, the diameter of the steel wire of the galvanized steel wire mesh 3 is 2-5 mm, and the spacing is 100-200 mm. The above-mentioned method of the protective layer 2 can effectively protect the thermal insulation layer and prevent the thermal insulation layer from being broken and falling off.

[0021] The thermal insulation layer comprises a plurality of thermal insulation boards connected in sequence; the connecting seams 7 of adjacent thermal insulation boards are stepped seams, each thermal insulation board comprises a graphite polystyrene board 5 and perlite boards 4 clamped on both sides of the graphite polystyrene board 5. Strengthening flat meshes 8 are arranged on both sides of adjacent thermal insulation boards, and the strengthening flat meshes 8 cover the connecting seams 7. The strengthening flat meshes 8 are located on the side of the galvanized steel wire mesh 3 away from the thermal insulation layer.

[0022] The wall board is connected to the main structure beams, columns, walls, and floors by means of embedded steel bars, and a reinforcing mesh is arranged to reinforce the connection. The embedded steel bars are embedded in the beams, columns, walls, and floors (the embedded depth of the steel bars is not less than 100 mm), the spacing between the embedded steel bars on the beams is 300 mm, the spacing between the embedded steel bars on the walls and columns is 5000 mm, and the embedded steel bars are exposed by 200 mm. The embedded steel bars are fixed by being bound to the galvanized steel wire mesh. The binding spacing is less than or equal to 150 mm, and the number of binding points is not less than 2.

[0023] According to different requirements of buildings, corresponding adjustments are made. For example, when the building has a higher requirement for the heat transfer coefficient, measures such as setting a filling cavity in the graphite polystyrene board 5, tightly filling perlite blocks, and nano inorganic micro-silicon powder can be taken on the basis of the original thermal insulation layer, or reflective heat insulation coating can be sprayed on the perlite board 4. When the building has a higher requirement for fire resistance, a high-temperature volatile flame retardant can be added to the graphite polystyrene board.

[0024] When it is necessary to reserve a groove or sleeve in the wall, the construction method is as follows: Figure 2 As shown, a perlite board filling layer 10 is provided around the groove, and silicone sealant 11 is provided within 50mm of the end of the reserved sleeve for sealing.

[0025] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within its protection scope.

Claims

1. A steel wire mesh composite thermal insulation exterior wall panel, characterized in that, include: The insulation layer consists of a V-shaped metal web, a connector, an insulation layer, and a protective layer and a surface layer arranged sequentially from the inside to the outside on both sides of the insulation layer. The insulation layer includes a graphite polystyrene board and perlite boards arranged on both sides of the graphite polystyrene board. One end of the V-shaped metal web is located inside the protective layer, and the other end passes through the perlite board and is inserted into the graphite polystyrene board. The connector pulls together the protective layers on both sides of the insulation layer.

2. The steel wire mesh composite thermal insulation exterior wall panel according to claim 1, characterized in that, The protective layer includes a cement mortar layer, a crack-resistant mortar layer, and a galvanized steel wire mesh; the galvanized steel wire mesh is positioned close to the insulation layer.

3. The steel wire mesh composite thermal insulation exterior wall panel according to claim 2, characterized in that, The thickness of the cement mortar layer is greater than the thickness of the crack-resistant mortar layer.

4. The steel wire mesh composite thermal insulation exterior wall panel according to claim 2, characterized in that, The insulation layer comprises multiple insulation boards spliced ​​together in sequence; the splicing seam between adjacent insulation boards is a stepped seam, and each insulation board includes a graphite polystyrene board and a perlite board sandwiched between the two sides of the graphite polystyrene board.

5. The steel wire mesh composite thermal insulation exterior wall panel according to claim 4, characterized in that, Each of the insulation panels is provided with at least one of the connectors.

6. The steel wire mesh composite thermal insulation exterior wall panel according to claim 4, characterized in that, Each of the insulation boards has multiple obliquely pierced V-shaped metal webs spaced at intervals along its height on both sides.

7. The steel wire mesh composite thermal insulation exterior wall panel according to claim 4, characterized in that, Reinforcing mesh is provided on both sides of the adjacent insulation board, and the reinforcing mesh covers the splicing seam.

8. The steel wire mesh composite thermal insulation exterior wall panel according to claim 7, characterized in that, The reinforced flat mesh is located on the side of the galvanized steel wire mesh opposite to the insulation layer.

9. The steel wire mesh composite thermal insulation exterior wall panel according to claim 1, characterized in that, The thickness of the graphite polystyrene board is greater than the thickness of the perlite board.

10. The steel wire mesh composite thermal insulation exterior wall panel according to claim 1, characterized in that, The connector is a non-metallic connector.

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