Building external wall thermal insulation structure
By designing convex strips, grooves and bump structures on the exterior wall insulation board, combined with adhesives and anchors, the problem of insufficient bonding strength of the existing exterior wall insulation board is solved, and efficient connection and stable construction are achieved.
Patent Information
- Application Number
- CN202422521782.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-18
AI Technical Summary
The bonding strength of existing exterior wall insulation boards is insufficient, and they are prone to displacement and fall off, and the construction efficiency is low.
The flame-retardant insulation board design is adopted. One side of the unit insulation board is equipped with convex strips and grooves on the other side. There are bumps on the rear end surface, which are fixed by adhesive layer, and the convex strips and grooves are used to achieve rapid positioning and alignment, and are connected with the outer wall with the anchor.
The connection strength and construction efficiency between the insulation structure and the exterior wall are improved, the displacement and fall-off phenomenon is reduced, and the construction progress and the stability of the overall structure is enhanced.
Smart Images

Figure CN223240863U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of exterior wall insulation, in particular to a building exterior wall insulation structure. Background Art
[0002] There are generally four approaches to improving the thermal insulation of existing building walls: internal wall insulation, external wall insulation, wall sandwich insulation, and comprehensive insulation. External wall insulation involves placing the insulation layer on the exterior side of the main structure. This helps speed up construction and prevents interior renovations from damaging the insulation layer. Therefore, this method is widely used.
[0003] The existing insulation boards used in exterior wall insulation structures have a simple structure and a flat bonding surface. The bonding strength needs to be improved. After long-term use, the insulation boards are prone to displacement and falling off. During the construction process, the assembly and alignment efficiency of the insulation boards is low. Utility Model Content
[0004] The purpose of the utility model is to provide a building exterior wall insulation structure to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a building exterior wall insulation structure, comprising an exterior wall and an insulation structure, wherein the insulation structure is arranged on the outside of the exterior wall, and the insulation structure comprises a flame retardant insulation board, which is composed of multiple groups of unit insulation boards, one side of the unit insulation board is provided with a convex strip, the other side of the unit insulation board is provided with a groove, and the rear end face of the unit insulation board is provided with multiple groups of protrusions.
[0006] The two groups of unit insulation boards are fixed by means of slots, and the convex strips of one group of unit insulation boards are embedded in the grooves of the other group of unit insulation boards.
[0007] Wherein, the flame retardant insulation board is anchored to the outer wall through multiple groups of anchoring pieces.
[0008] Wherein, a mortar leveling layer is provided on the outer side surface of the outer wall, and an adhesive layer is provided on the outer side surface of the mortar leveling layer.
[0009] Wherein, the flame retardant heat-insulating board is located on the outer side of the adhesive layer and is bonded and fixed to the adhesive layer.
[0010] Wherein, a plastering mortar layer is provided on the outer surface of the flame retardant thermal insulation board.
[0011] Wherein, a glass fiber mesh cloth layer is provided on the outer side of the plastering mortar layer.
[0012] Wherein, a putty layer is provided on the outer side of the glass fiber mesh cloth layer, and a decorative surface layer is provided on the outer side of the putty layer.
[0013] Wherein, the plurality of groups of protrusions are evenly spaced.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] The rear end surface of the insulation board of the utility model is additionally provided with a plurality of groups of protrusions, which are embedded in the adhesive layer when bonded and fixed, thereby increasing the bonding area and improving the connection strength between the insulation structure and the exterior wall, making it less likely to fall off or shift.
[0016] The utility model realizes limited alignment between two adjacent groups of unit insulation boards through convex strips and grooves, realizes rapid positioning and alignment between the two groups of unit insulation boards, improves assembly and alignment efficiency, speeds up construction progress, and improves construction efficiency. The connection between the unit insulation boards has a certain bite force, which relies on the bite force to improve the connection strength and is not easy to fall off or shift. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural diagram of the utility model;
[0018] Figure 2 This is a schematic diagram of the front structure of the unit insulation board of the utility model;
[0019] Figure 3 This is a schematic diagram of the rear structural view of the unit insulation board of the utility model;
[0020] Figure 4 This is a side view of the unit insulation board of the utility model;
[0021] Figure 5 This is a schematic diagram of the connection between the unit insulation panels of the utility model;
[0022] Figure 6 This is a schematic diagram of the connection between the flame-retardant insulation board and the exterior wall of the utility model.
[0023] In the figure: 1. Exterior wall; 2. Insulation structure; 3. Flame-retardant insulation board; 4. Unit insulation board; 5. Raised strip; 6. Groove; 7. Bump; 8. Anchor; 9. Mortar leveling layer; 10. Adhesive layer; 11. Surface mortar layer; 12. Fiberglass mesh cloth layer; 13. Putty layer; 14. Decorative surface layer. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] See also Figure 1-6 The utility model provides a technical solution: a building exterior wall insulation structure, including an exterior wall 1 and an insulation structure 2, the insulation structure 2 is arranged on the outside of the exterior wall 1, the insulation structure 2 includes a flame retardant insulation board 3, the flame retardant insulation board 3 is composed of multiple groups of unit insulation boards 4, one side of the unit insulation board 4 is provided with a convex strip 5, the other side of the unit insulation board 4 is provided with a groove 6, and the rear end surface of the unit insulation board 4 is provided with multiple groups of protrusions 7.
[0026] Among them, when multiple groups of unit insulation boards 4 are bonded and fixed by the adhesive layer 10, the multiple groups of protrusions 7 on the rear end faces of the multiple groups of unit insulation boards 4 are all embedded in the adhesive layer 10. The multiple groups of protrusions 7 increase the bonding area between the unit insulation boards 4 and the adhesive layer 10, that is, increase the bonding strength between the unit insulation boards 4 and the outer wall 1, and improve the connection strength between the insulation structure 2 and the outer wall 1.
[0027] The two groups of unit insulation boards 4 are fixed by means of slots, and the convex strips 5 of one group of unit insulation boards 4 are embedded in the grooves 6 of the other group of unit insulation boards 4 .
[0028] Among them, the flame retardant insulation board 3 is spliced by multiple groups of unit insulation boards 4. When installing multiple groups of unit insulation boards 4, the two adjacent groups of unit insulation boards 4 are limited and aligned by the convex strips 5 and the grooves 6. During the construction process, the convex strips 5 of one group of unit insulation boards 4 are embedded in the grooves 6 of the adjacent unit insulation boards 4, so that the two groups of unit insulation boards 4 can be quickly positioned and aligned, thereby improving the assembly and alignment efficiency, accelerating the construction progress, and improving the construction efficiency.
[0029] Among them, the ridge 5 is set to an inverted trapezoidal structure, and the groove 6 is set to an inverted trapezoidal structure. When the groove 6 is engaged with the ridge 5, the connection between the two has a certain bite force, and the bite force is used to improve the connection strength between the two groups of unit insulation boards 4, that is, the structural strength of the overall flame retardant insulation board 3 is improved.
[0030] Among them, the flame retardant insulation board 3 and the outer wall 1 are anchored by multiple groups of anchoring pieces 8. The connection method between the flame retardant insulation board 3 and the outer wall 1 is anchoring and bonding fixation, which realizes double fixation of the insulation structure 2. The insulation structure 2 and the outer wall 1 have a high connection strength and are not easy to fall off and shift, thereby improving the structural stability of the insulation structure 2. Twenty-four hours after the flame retardant insulation board 3 is pasted, the anchor bolts are installed. During the construction process, the corresponding anchor bolts and construction methods are selected according to the different base outer wall 1.
[0031] A mortar leveling layer 9 is provided on the outer side of the exterior wall 1 , and an adhesive layer 10 is provided on the outer side of the mortar leveling layer 9 .
[0032] Among them, the flame retardant insulation board 3 is located on the outer surface of the adhesive layer 10 and is bonded and fixed to the adhesive layer 10. The base wall structure surface is uneven or sloped, so it needs to be leveled and paved. The mortar leveling layer 9 is a structural layer that plays a leveling and slope adjustment role, and the flame retardant insulation board 3 is pasted through the adhesive layer 10.
[0033] The flame retardant insulation board 3 is an insulation board structure made of expanded perlite bulk material as aggregate, with the addition of waterproofing agent and adhesive. The flame retardant insulation board 3 has a flame retardant effect while keeping warm.
[0034] Among them, a finishing mortar layer 11 is provided on the outer surface of the flame retardant insulation board 3. The finishing mortar layer 11 enhances the surface strength of the flame retardant insulation board 3, forms a protective layer on the surface of the flame retardant insulation board 3, and improves the crack resistance of the flame retardant insulation board 3.
[0035] Among them, a glass fiber mesh cloth layer 12 is provided on the outer surface of the plaster mortar layer 11. The glass fiber mesh cloth layer 12 is an alkali-resistant glass fiber mesh cloth. The glass fiber mesh cloth layer 12 and the plaster mortar layer 11 are constructed together on the outer surface of the flame retardant insulation board 3 to build a solid and reliable protective layer for the insulation structure 2 system, which plays the role of a keel, provides the insulation structure 2 with impact resistance, crack resistance and negative wind pressure resistance and other functions, thereby improving the system safety of the insulation structure 2.
[0036] A putty layer 13 is provided on the outer side of the glass fiber mesh cloth layer 12 , and a decorative surface layer 14 is provided on the outer side of the putty layer 13 . The decorative surface layer 14 is used to decorate the exterior of the building's exterior wall.
[0037] Among them, multiple groups of protrusions 7 are evenly spaced, and the multiple groups of protrusions 7 and the flame retardant insulation board 3 form an integrated structure. The multiple groups of protrusions 7 increase the bonding area between the unit insulation board 4 and the adhesive layer 10, and improve the adhesion of the flame retardant insulation board 3.
[0038] Working principle: mortar leveling layer 9, adhesive layer 10, flame retardant insulation board 3, plastering mortar layer 11, fiberglass mesh cloth layer 12, putty layer 13 and decorative surface layer 14 are arranged on the outside of the outer wall 1 from the inside to the outside. The mortar leveling layer 9 plays the role of leveling and slope adjustment. The flame retardant insulation board 3 is pasted through the adhesive layer 10. The multiple groups of protrusions 7 on the rear end surface of the multiple groups of unit insulation boards 4 are embedded in the adhesive layer 10. The multiple groups of protrusions 7 increase the bonding area between the unit insulation board 4 and the adhesive layer 10, and increase the bonding strength between the unit insulation board 4 and the outer wall 1. When installing multiple groups When the unit insulation board 4 is installed, the two adjacent groups of unit insulation boards 4 are limited and aligned by the convex strips 5 and the grooves 6. During the construction process, the convex strips 5 of one group of unit insulation boards 4 are embedded in the grooves 6 of the adjacent unit insulation boards 4, so that the two groups of unit insulation boards 4 can be quickly positioned and aligned. Twenty-four hours after the flame retardant insulation board 3 is pasted, the anchor bolts are installed, and the fiberglass mesh cloth layer 12 and the plastering mortar layer 11 are constructed together on the outer surface of the flame retardant insulation board 3 to build a solid and reliable protective layer for the insulation structure 2 system, and the exterior of the building is decorated by the decorative surface layer 14.
[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A building exterior wall insulation structure, comprising an exterior wall (1) and an insulation structure (2), characterized in that: The thermal insulation structure (2) is arranged on the outside of the outer wall (1), and the thermal insulation structure (2) includes a flame-retardant thermal insulation board (3), and the flame-retardant thermal insulation board (3) is composed of multiple groups of unit thermal insulation boards (4), one side of the unit thermal insulation board (4) is provided with a convex strip (5), the other side of the unit thermal insulation board (4) is provided with a groove (6), and the rear end surface of the unit thermal insulation board (4) is provided with multiple groups of protrusions (7); The flame retardant insulation board (3) is anchored to the outer wall (1) via multiple groups of anchoring pieces (8); The flame retardant heat-insulating board (3) is located on the outer surface of the adhesive layer (10) and is bonded and fixed to the adhesive layer (10).
2. A building exterior wall insulation structure according to claim 1, characterized in that: The two groups of unit insulation plates (4) are fixed by means of a slot, wherein the convex strips (5) of one group of unit insulation plates (4) are embedded in the grooves (6) of the other group of unit insulation plates (4).
3. The building exterior wall insulation structure according to claim 1, characterized in that: A mortar leveling layer (9) is provided on the outer surface of the outer wall (1), and an adhesive layer (10) is provided on the outer surface of the mortar leveling layer (9).
4. The building exterior wall insulation structure according to claim 1, characterized in that: A finishing mortar layer (11) is provided on the outer side of the flame-retardant thermal insulation board (3).
5. A building exterior wall insulation structure according to claim 4, characterized in that: A glass fiber mesh cloth layer (12) is provided on the outer side of the plastering mortar layer (11).
6. The building exterior wall insulation structure according to claim 5, characterized in that: A putty layer (13) is provided on the outer surface of the glass fiber mesh cloth layer (12), and a decorative surface layer (14) is provided on the outer surface of the putty layer (13).
7. The building exterior wall insulation structure according to claim 1, characterized in that: The plurality of groups of protrusions (7) are evenly spaced.