An external wall insulation structure
By using a combination of reinforced concrete base, insulation layer and decorative panel in the external wall insulation structure, combined with rigid connectors and threaded connections, the problem of unstable installation of external wall insulation panels is solved, and a stable connection of insulation panels and heat retention effect are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA CONSTR FIFTH ENG DIV CORP LTD
- Filing Date
- 2025-07-16
- Publication Date
- 2026-06-30
Smart Images

Figure CN224431710U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of building components, specifically to an external wall insulation structure. Background Technology
[0002] Currently, installing exterior wall insulation panels is considered a relatively effective thermal insulation and energy-saving measure. Exterior wall insulation panels are fixed to the outside of the wall by fasteners driven into both the wall and the insulation panel. However, for thick, multi-layer composite exterior wall insulation panels, the installation and fixing structure is not stable, and the two panels are not tightly joined, resulting in heat loss. Utility Model Content
[0003] To address the shortcomings of existing technologies, this utility model provides an external wall insulation structure; the specific solution is as follows:
[0004] An external wall insulation structure includes a reinforced concrete base, an insulation layer disposed on the outside of the reinforced concrete base, and a decorative panel and connecting components disposed on the outside of the insulation layer.
[0005] The insulation layer is composed of multiple insulation boards assembled from bottom to top;
[0006] The connecting component includes a first rigid connector and a second rigid connector;
[0007] The inner end of the first rigid connector is anchored to the reinforcing bars of the reinforced concrete base, and the outer end penetrates the insulation layer and extends to the outside of the insulation board.
[0008] The inner end of the second rigid connector is fixedly connected to the outer end of the first rigid connector, and the outer end penetrates through the decorative panel.
[0009] The preferred embodiment of the aforementioned external wall insulation structure is that the insulation layer includes three types of insulation boards: a bottom insulation board, a middle insulation board, and a top insulation board.
[0010] The upper surface of the insulation board at the bottom of the wall has a protrusion a, and the lower surface has a sealing surface a;
[0011] The upper surface of the insulation board in the middle of the wall has a protrusion b, and the lower surface has a cavity a;
[0012] The top surface of the insulation board at the top of the wall has a sealing surface b, and the bottom surface has a cavity b.
[0013] In a preferred embodiment of the aforementioned external wall insulation structure, the protrusions a and b, as well as the cavity a and cavity b, are all provided to extend through the length of the insulation board splicing surface and reach both ends of the splicing surface.
[0014] In a preferred embodiment of the aforementioned external wall insulation structure, the first rigid connector includes a stud a, a screw a, and a first pressure plate.
[0015] The inner end of the stud a is tied and fixed to the reinforcing steel of the reinforced concrete base; the inner end of the screw a is connected to the outer end of the stud a, and the outer end is provided with the first pressure plate; the screw a penetrates the insulation layer, and the first pressure plate presses against the outer surface of the insulation board.
[0016] In a preferred embodiment of the aforementioned external wall insulation structure, the second rigid connector includes a stud b, a screw b, a second pressure plate, and a nut.
[0017] The inner end of the stud b is connected to the outer end of the screw a of the first rigid connector;
[0018] The inner end of the screw b is connected to the outer end of the stud b, and the outer end is provided with the second pressure plate;
[0019] The screw b penetrates through the decorative panel, the second pressure plate presses against the outer surface of the decorative panel, and the outer end of the screw b is also provided with a sealing nut.
[0020] In a preferred embodiment of the aforementioned external wall insulation structure, stud a and screw a, and stud b and screw b are both fixed by threaded connection or adhesive bonding; a rubber sealing gasket is provided between the nut and the second pressure plate.
[0021] In a preferred embodiment of the aforementioned external wall insulation structure, the first pressure plate is flush with the outer surface of the insulation layer, and the second pressure plate is flush with the outer surface of the decorative panel.
[0022] The preferred embodiment of the aforementioned external wall insulation structure is that the insulation board of the insulation layer is a molded polystyrene board or a graphite polystyrene board.
[0023] The inner and outer surfaces of the insulation board are protected by adhesive-coated cement fiber cloth or polymer mortar-coated alkali-resistant mesh cloth.
[0024] The decorative panel is composed of an inorganic non-metallic material liner and decorative materials, or it may be a single inorganic non-metallic liner.
[0025] There are partition joints between adjacent decorative panels, with a width of 6mm to 15mm, which are filled with weather-resistant sealant.
[0026] In a preferred embodiment of the aforementioned external wall insulation structure, the nut is made of rust-proof metal, and its color matches the color of the outer side of the decorative panel.
[0027] The pressure plate can be provided with operating holes for the installation of nuts. The operating holes can be slotted, cross-shaped, or hexagonal.
[0028] The stud b, pressure plate, and nut are all made of stainless steel.
[0029] A construction method for an external wall insulation structure includes the following steps:
[0030] Step 1: Rebar Binding
[0031] Tie the reinforcing steel cage in the area of the reinforced concrete base to be poured, and simultaneously fix the inner end of the stud a of the first rigid connector to the reinforcing steel node (the intersection of the front and rear reinforcing bars) with a binding strap, ensuring that the outer end of the stud a faces the outside of the wall.
[0032] Step 2: Pouring concrete:
[0033] Erect formwork and install tie bolts, pour foamed concrete or polystyrene particle foamed concrete, and remove formwork and tie bolts after solidification to form a reinforced concrete base with pre-embedded studs a.
[0034] Step 3: Pre-installation of connectors:
[0035] Drill a hole in the insulation board with the hole diameter matching the diameter of the screw a. Insert the screw a of the first rigid connector into the hole so that the inner end of the screw a is threadedly connected to the outer end of the stud a. The first pressure plate is in close contact with the outer surface of the insulation board.
[0036] Step 4: Assemble the insulation panels:
[0037] Install the wall insulation board from bottom to top: the lower surface sealing surface a should be tightly attached to the base layer, and the upper surface protrusion a should face upward;
[0038] Install the insulation board in the middle of the wall: fit the hollow part a on the lower surface into the protruding part a on the bottom plate, with the protruding part a on the upper surface facing upwards;
[0039] Install the top insulation board of the wall: fit the lower surface cavity b into the protruding part a of the insulation board in the middle of the wall, with the upper surface sealing surface b facing outward.
[0040] The protruding part and the cavity part need to be fitted together along the entire length of the splicing surface, and the fitting part is reinforced by connecting components.
[0041] Step 5: Install the second connector:
[0042] The inner end of the stud b of the second rigid connector is threaded to the outer end of the screw b of the first rigid connector, and the length of the stud b is adjusted so that the outer end face of the first pressure plate forms a flat decorative layer mounting base.
[0043] Step Six: Decorative Layer Construction:
[0044] Insert the screw b of the second rigid connector into the pre-drilled hole in the decorative panel 3;
[0045] Connect the inner end of screw b to the outer end of stud b, and press the second pressure plate against the outer surface of decorative panel 3 inward;
[0046] Screw a nut into the outer end of screw b, and use sealant to bond the nut to the decorative panel 3.
[0047] Beneficial effects
[0048] In this utility model, the connecting component penetrates the insulation board and the decorative board along the inside and outside directions, so that the first pressure plate presses against the insulation board inward and the second pressure plate presses against the decorative board inward. This fixing method is firm and reliable.
[0049] Since the outer end face of the first rigid connector forms the mounting surface of the decorative panel, during installation, it is only necessary to adjust the outer end faces of each first rigid connector corresponding to the same decorative panel (i.e., the decorative panel located on the same plane) to the same plane to ensure the flatness of the decorative panel.
[0050] The first rigid connector and the second rigid connector can be nested together. Additional connectors can be added to the outer end of the second rigid connector to increase the insulation layer. Attached Figure Description
[0051] Figure 1 This is a cross-sectional view of an external wall insulation structure;
[0052] Figure 2 This is a structural diagram of the connecting components;
[0053] Figure 3 A 3D view of the insulation board at the bottom of the wall;
[0054] Figure 4 A 3D view of the insulation board in the middle of the wall;
[0055] Figure 5 This is a 3D view of the insulation board at the bottom of the wall.
[0056] In the diagram: 1-Reinforced concrete base layer, 2-Insulation layer, 3-Decorative panel, 4-Connecting component, 21-Bottom insulation board, 211-Protrusion a, 212-Sealing surface a; 22-Middle insulation board, 221-Protrusion b, 222-Cavity a; 23-Top insulation board, 231-Sealing surface b, 232-Cavity b; 41-First rigid connector, 411-Stud a, 412-Screw a, 513-First pressure plate; 42-Second rigid connector, 421-Stud b, 422-Screw b, 423-Second pressure plate, 424-Nut. Detailed Implementation
[0057] like Figures 1-5As shown, an external wall insulation structure includes a reinforced concrete base 1, an insulation layer 2 disposed on the outside of the reinforced concrete base 1, and a decorative panel 3 and a connecting member 4 disposed on the outside of the insulation layer 2.
[0058] The insulation layer 2 is composed of multiple insulation boards assembled from bottom to top;
[0059] The connecting member 4 includes a first rigid connector 41 and a second rigid connector 42;
[0060] The inner end of the first rigid connector 41 is anchored to the steel bars of the reinforced concrete base 1, and the outer end penetrates the insulation layer 2 and extends to the outside of the insulation board.
[0061] The inner end of the second rigid connector 42 is fixedly connected to the outer end of the first rigid connector 41, and the outer end passes through the decorative panel 3.
[0062] The insulation layer 2 includes three types of insulation boards, namely, the bottom insulation board 21, the middle insulation board 22, and the top insulation board 23.
[0063] The upper surface of the insulation board 21 at the bottom of the wall is provided with a protrusion a211, and the lower surface is provided with a sealing surface a212;
[0064] The upper surface of the insulation board 22 in the middle of the wall is provided with a protrusion b221, and the lower surface is provided with a cavity a222;
[0065] The upper surface of the insulation board 23 at the top of the wall is provided with a sealing surface b231, and the lower surface is provided with a cavity b232.
[0066] The protrusions a211, b221, a222, and b232 are all provided to extend through the length of the splicing surface of the insulation board and reach both ends of the splicing surface.
[0067] The first rigid connector 41 includes a stud a411, a screw a412, and a first pressure plate 413;
[0068] The inner end of the stud a411 is tied and fixed to the steel bar of the reinforced concrete base 1; the inner end of the screw a412 is connected to the outer end of the stud a411, and the outer end is provided with the first pressure plate 413; the screw a412 penetrates the insulation layer 2, and the first pressure plate 413 presses against the outer surface of the insulation board 21.
[0069] The second rigid connector 42 includes a stud b421, a screw b422, a second pressure plate 423, and a nut 424;
[0070] The inner end of the stud b421 is connected to the outer end of the screw a412 of the first rigid connector 41;
[0071] The inner end of the screw b422 is connected to the outer end of the stud b421, and the outer end is provided with the second pressure plate 423;
[0072] The screw b422 penetrates through the decorative panel 3, the second pressure plate 423 presses against the outer surface of the decorative panel, and the outer end of the screw b422 is also provided with a sealing nut 424.
[0073] The stud a411 and screw a412, and the stud b421 and screw b422 are all fixed by threaded connection or adhesive bonding; a rubber sealing gasket is provided between the nut 424 and the second pressure plate 423.
[0074] The first pressure plate 413 is flush with the outer surface of the insulation layer, and the second pressure plate 423 is flush with the outer surface of the decorative panel 3.
[0075] The insulation board of insulation layer 2 is molded polystyrene board or graphite polystyrene board;
[0076] The inner and outer surfaces of the insulation board are protected by adhesive-coated cement fiber cloth or polymer mortar-coated alkali-resistant mesh cloth.
[0077] The decorative panel 3 is composed of an inorganic non-metallic material liner and decorative material, or it may be a single inorganic non-metallic liner.
[0078] A partition joint is provided between adjacent decorative panels 3. The width of the partition joint is 6mm to 15mm, and it is filled with weather-resistant sealant.
[0079] The nut 424 is made of rust-proof metal, and its color is consistent with the color of the outer side of the decorative panel 3.
[0080] The pressure plate 423 can be provided with an operating hole for the installation of the nut 424. The operating hole can be a slotted hole, a cross hole, or a hexagonal hole.
[0081] The stud b421, pressure plate 423 and nut 424 are all made of stainless steel.
[0082] A construction method for an external wall insulation structure includes the following steps:
[0083] Step 1: Rebar Binding
[0084] Tie the reinforcing steel skeleton in the area of the reinforced concrete base 1 to be poured, and simultaneously fix the inner end of the stud a411 of the first rigid connector 41 to the reinforcing steel node with a binding strap at the intersection of the front and rear reinforcing bars, ensuring that the outer end of the stud a411 faces the outside of the wall.
[0085] Step 2: Pouring concrete:
[0086] Erect formwork and install tie bolts, pour foamed concrete or polystyrene particle foamed concrete, and remove formwork and tie bolts after solidification to form a reinforced concrete base layer 1 with pre-embedded studs a411.
[0087] Step 3: Pre-installation of connectors:
[0088] Drill a hole in the insulation board with the hole diameter matching the diameter of the screw a412. Insert the screw a412 of the first rigid connector 41 into the hole so that the inner end of the screw a412 is threadedly connected to the outer end of the stud a411. The first pressure plate 413 is in close contact with the outer surface of the insulation board.
[0089] Step 4: Assemble the insulation panels:
[0090] Install the wall bottom insulation board 21 in the order from bottom to top: the lower surface sealing surface a212 is tightly attached to the base layer, and the upper surface protrusion a211 faces upward;
[0091] Install the wall insulation board 22: fit the lower surface cavity a222 into the protrusion a211 of the bottom plate 21, with the upper surface protrusion a221 facing upward;
[0092] Install the top insulation board 23 of the wall: fit the lower surface cavity b232 into the protrusion a221 of the middle insulation board 22 of the wall, with the upper surface sealing surface b231 facing outward.
[0093] The protrusion and the cavity need to be fitted together along the entire length of the splicing surface, and the fitting is reinforced by the connecting member 4.
[0094] Step 5: Install the second connector:
[0095] The inner end of the stud b421 of the second rigid connector 42 is threaded to the outer end of the screw b412 of the first rigid connector 41, and the length of the stud b421 is adjusted so that the outer end face of the first pressure plate 413 forms a flat decorative layer mounting base.
[0096] Step Six: Decorative Layer Construction:
[0097] Insert the screw b422 of the second rigid connector 42 into the pre-drilled hole in the decorative panel 3;
[0098] Connect the inner end of screw b422 to the outer end of stud b421, and the second pressure plate 423 presses inward against the outer surface of decorative panel 3;
[0099] Screw nut 424 into the outer end of screw b422, and use sealant to bond nut to decorative panel 3.
[0100] The above description of the embodiments is only for the purpose of helping to understand the structure, method and core idea of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.
Claims
1. An external wall insulation structure, characterized in that: It includes a reinforced concrete base (1), an insulation layer (2) disposed on the outside of the reinforced concrete base (1), and a decorative panel (3) and connecting member (4) disposed on the outside of the insulation layer (2). The insulation layer (2) is assembled from multiple insulation boards from bottom to top; The connecting member (4) includes a first rigid connector (41) and a second rigid connector (42). The inner end of the first rigid connector (41) is anchored to the steel bars of the reinforced concrete base (1), and the outer end penetrates the insulation layer (2) and extends to the outside of the insulation board. The inner end of the second rigid connector (42) is fixedly connected to the outer end of the first rigid connector (41), and the outer end passes through the decorative panel (3).
2. The external wall insulation structure according to claim 1, characterized in that: The insulation layer (2) includes three types of insulation boards, namely, the bottom insulation board (21), the middle insulation board (22), and the top insulation board (23). The upper surface of the insulation board (21) at the bottom of the wall is provided with a protrusion a (211), and the lower surface is provided with a sealing surface a (212). The upper surface of the insulation board (22) in the middle of the wall is provided with a protrusion b (221), and the lower surface is provided with a cavity a (222). The upper surface of the insulation board (23) at the top of the wall is provided with a sealing surface b (231), and the lower surface is provided with a cavity b (232).
3. The external wall insulation structure according to claim 2, characterized in that: The protrusions a (211), b (221), a (222), and b (232) are all provided to extend through the length of the splicing surface of the insulation board and extend to both ends of the splicing surface.
4. The external wall insulation structure according to claim 1, characterized in that: The first rigid connector (41) includes a stud a (411), a screw a (412), and a first pressure plate (413). The inner end of the stud a (411) is tied and fixed to the steel bar of the reinforced concrete base (1); the inner end of the screw a (412) is connected to the outer end of the stud a (411), and the outer end is provided with the first pressure plate (413); the screw a (412) penetrates the insulation layer (2), and the first pressure plate (413) presses against the outer surface of the insulation board (21).
5. The external wall insulation structure according to claim 1, characterized in that: The second rigid connector (42) includes a stud b (421), a screw b (422), a second pressure plate (423), and a nut (424); The inner end of the stud b (421) is connected to the outer end of the screw a (412) of the first rigid connector (41); The inner end of the screw b (422) is connected to the outer end of the stud b (421), and the outer end is provided with the second pressure plate (423). The screw b (422) penetrates the decorative panel (3), the second pressure plate (423) presses against the outer surface of the decorative panel, and the outer end of the screw b (422) is also provided with a sealing nut (424). A rubber sealing gasket is provided between the nut (424) and the second pressure plate (423).
6. The external wall insulation structure according to claim 4, characterized in that: The stud a (411) and screw a (412), and the stud b (421) and screw b (422) are all fixed by threaded connection or adhesive bonding.
7. An external wall insulation structure according to claim 4, characterized in that: The first pressure plate (413) is flush with the outer surface of the insulation layer, and the second pressure plate (423) is flush with the outer surface of the decorative panel (3).
8. The external wall insulation structure according to claim 1, characterized in that: The insulation board of the insulation layer (2) is a molded polystyrene board or a graphite polystyrene board; The inner and outer surfaces of the insulation board are protected by adhesive-coated cement fiber cloth or polymer mortar-coated alkali-resistant mesh cloth. The decorative panel (3) is composed of an inorganic non-metallic material liner and decorative material, or is a single inorganic non-metallic liner; A partition joint is provided between adjacent decorative panels (3), with a width of 6mm to 15mm, and it is filled with weather-resistant sealant.
9. An external wall insulation structure according to claim 5, characterized in that: The nut (424) is made of rust-proof metal, and its color is consistent with the color of the outer side of the decorative panel (3); The pressure plate (423) can be provided with an operating hole for the installation of the nut (424), and the operating hole is a slotted hole, a cross hole or a hexagonal hole; The stud b (421), pressure plate (423), and nut (424) are all made of stainless steel.