Anti-bending polyurethane insulation board
By installing reinforcing plates, cross-shaped reinforcing rods, and high-strength frames on polyurethane insulation boards, combined with thermally conductive barrier sheets and aluminum-zinc coated protective plates, the problems of easy breakage and reduced insulation effect of polyurethane insulation boards under external forces are solved, achieving a combination of high bending strength and good insulation performance.
Patent Information
- Application Number
- CN202423241274.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing polyurethane insulation boards are prone to breakage or deformation under external forces, and their insulation performance decreases after long-term use, failing to simultaneously meet the requirements of high bending strength and good insulation performance.
By fixing reinforcing plates to the front and back sides of the insulation board and fixing cross reinforcing rods in cross grooves at the top and bottom, combined with a high-strength frame, thermally conductive barrier sheets and aluminum-zinc coated protective plates, the structural stability and insulation effect are enhanced. At the same time, plug-in connections and waterproof sealing strips are used to ensure connection stability and waterproof performance.
It significantly improves the bending and compressive strength of the insulation board, enhances the insulation effect, improves the ease of installation and waterproof performance, and enhances the weather resistance and protective performance.
Smart Images

Figure CN223805717U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building material technical field, it is a kind of polyurethane insulation board of bending resistance. BACKGROUND
[0002] With the continuous improvement of building energy-saving standard, the application of thermal insulation material is more and more widely. Although the existing polyurethane insulation board has good thermal insulation performance, it is easy to break or deform due to external force in actual application, especially when improper handling or encountering bad weather during construction process. In addition, the traditional polyurethane insulation board will appear aging phenomenon after long-term use, resulting in the decline of thermal insulation effect. Therefore, it is particularly important to develop a kind of polyurethane insulation board which not only maintains good thermal insulation performance but also has high bending strength. SUMMARY
[0003] The purpose of the utility model is to provide a kind of polyurethane insulation board of bending resistance to solve the problems raised in the above background.
[0004] To achieve the above purpose, the utility model provides the following technical scheme:
[0005] A kind of polyurethane insulation board of bending resistance, including insulation board, the front side and the rear side of the insulation board are fixedly connected with reinforcing plate, the upper portion and the bottom of the insulation board are provided with cross recess, the cross recess is fixedly connected with cross reinforcing rod in middle, the left side of the insulation board is fixedly connected with recessed plate, the right side of the insulation board is fixedly connected with plug-in block.
[0006] The insulation board includes polyurethane foam core layer, high-strength framework is arranged in the polyurethane foam core layer, heat-conducting barrier sheet is arranged between the polyurethane foam core layer and high-strength framework, sound insulation layer is fixedly connected to the lower portion of the polyurethane foam core layer, heat insulation layer is fixedly connected to the upper portion of the polyurethane foam core layer, protection plate is fixedly connected to the outside of the sound insulation layer and heat insulation layer.
[0007] In the preferred technical scheme, the high-strength framework is of plastic structure, and is embedded in the polyurethane foam core layer; and anti-skid lines are arranged on the protection plate.
[0008] In the preferred technical scheme, a plurality of connecting holes are arranged on the insulation board.
[0009] In the preferred technical scheme, a plurality of reinforcing screws are threadedly connected to the reinforcing plate, and the reinforcing screws extend through the reinforcing plate into the insulation board.
[0010] In the preferred technical scheme, a groove is arranged on the recessed plate.
[0011] Preferably, the two heat preservation plates are connected in a plug-in mode and form a joint, and a waterproof sealing strip is arranged at the joint between the heat preservation plates.
[0012] Preferably, the protection plate is an aluminized zinc material steel plate, and the cross reinforcing rod is made of stainless steel.
[0013] Compared with the prior art, the utility model has the advantages of:
[0014] 1. Enhanced bending resistance: The reinforcing plate is fixedly connected to the front side and the rear side of the heat preservation plate, increasing the overall rigidity and stability and preventing deformation during transportation and installation. The cross recess and the cross reinforcing rod are arranged in the upper part and the bottom part of the heat preservation plate, and the cross reinforcing rod is fixedly connected therein, forming an internal cross support structure that significantly improves the bending resistance and compression strength of the heat preservation plate. The high-strength framework is embedded in the polyurethane foam core layer, further enhancing the overall rigidity of the heat preservation plate and preventing it from breaking under stress.
[0015] 2. Improved heat preservation effect: The polyurethane foam core layer adopts a closed-cell structure, has excellent heat preservation performance, effectively prevents heat transfer, and reduces energy consumption. The use of the heat-conducting barrier sheet further reduces heat conduction through the material inside, improving the overall heat preservation effect.
[0016] 3. Improved connection stability: The left side of the concave plate and the plug-in heat preservation plate is fixedly connected with a concave plate, and the right side is fixedly connected with a plug-in block. The two heat preservation plates are connected in a plug-in mode, forming a tight joint that ensures convenience and stability during installation. The waterproof sealing strip is arranged at the joint between the heat preservation plates, effectively preventing moisture penetration and improving the overall waterproof performance.
[0017] 4. Enhanced weather resistance and protection performance: The protection plate is an aluminized zinc material steel plate, which has good corrosion resistance and weather resistance, protecting the internal structure from external environmental influences. The anti-slip pattern is arranged on the protection plate, increasing the surface friction and facilitating installation and fixation to prevent sliding.
[0018] In summary, the bending resistance and compression strength of the heat preservation plate are significantly enhanced by the reinforcing plate and the cross reinforcing rod. The polyurethane foam core layer adopts a closed-cell structure and a heat-conducting barrier sheet, improving the heat preservation effect. The design of the concave plate and the plug-in block ensures convenience and stability during installation, and the waterproof sealing strip effectively prevents moisture penetration. The protection plate is made of an aluminized zinc material steel plate, enhancing corrosion resistance and weather resistance, and the anti-slip pattern increases the surface friction, facilitating installation and fixation. These improvements make the heat preservation plate perform well in terms of mechanical properties, heat preservation effect, connection stability, and weather resistance, with a wide application prospect. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structure schematic view of the utility model;
[0020] Figure 2 It is a structure schematic view of the utility model;
[0021] Figure 3 It is a structure schematic view of the utility board of the utility model;
[0022] Figure 4 It is a structure schematic view of the left view of the utility model;
[0023] In the drawing: 1, the utility board, 101, the polyurethane foam core layer, 102, the high-strength framework, 103, the heat-conducting barrier sheet, 104, the sound insulation layer, 105, the heat insulation layer, 106, the protective plate, 2, the reinforcing plate, 3, the cross recess, 4, the cross reinforcing plate, 5, the concave plate, 6, the plug-in block, 7, the anti-skid line, 8, the connecting hole, 9, the reinforcing screw, 10, the recess, 11, the waterproof sealing strip. Specific implementation
[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0025] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 A kind of polyurethane heat preservation board of bending resistance, including heat preservation board 1, the front side and rear side of two heat preservation board 1 are fixedly connected with reinforcing plate 2, the upper portion and bottom of heat preservation board 1 are provided with cross recess 3, cross recess 3 is fixedly connected with cross reinforcing rod 4 in middle, the left side of heat preservation board 1 is fixedly connected with concave plate 5, the right side of heat preservation board 1 is fixedly connected with plug-in block 6;
[0026] Heat preservation board 1 includes polyurethane foam core layer 101, high-strength framework 102 is arranged in polyurethane foam core layer 101, heat-conducting barrier sheet 103 is arranged between polyurethane foam core layer 101 and high-strength framework 102, the lower portion of polyurethane foam core layer 101 is fixedly connected with sound insulation layer 104, the upper portion of polyurethane foam core layer 101 is fixedly connected with heat insulation layer 105, the outside of sound insulation layer 104 and heat insulation layer 105 is fixedly connected with protective plate 106.
[0027] High-strength framework 102 is plastic structure, high-strength framework 102 is embedded in polyurethane foam core layer 101 inside, anti-skid line 7 is arranged on protective plate 106.
[0028] The thermal insulation board 1 is provided with a plurality of connecting holes 8.
[0029] The reinforcing plate 2 is provided with a plurality of reinforcing screws 9 which are screwed and extend through the reinforcing plate 2 into the thermal insulation board 1.
[0030] The concave plate 5 is provided with a groove 10.
[0031] The two thermal insulation boards 1 are connected in a plug-in manner and form a joint, and the joint between the thermal insulation boards 1 is provided with a waterproof sealing strip 11.
[0032] The protection plate 106 is an aluminum-zinc plated steel plate, and the cross-shaped reinforcing rod 4 is made of stainless steel.
[0033] In the embodiment, the polyurethane foam core layer 101 is embedded with a high-strength skeleton 102, and the skeleton is isolated from the polyurethane foam core layer by a heat-conducting barrier sheet 103 to reduce heat conduction and enhance thermal insulation effect. In order to improve the bending strength and stability of the thermal insulation board 1, one reinforcing plate 2 is fixed to each of the front and rear sides of the thermal insulation board 1, cross-shaped grooves 3 are arranged on the top and bottom of the thermal insulation board 1, and cross-shaped reinforcing rods 4 made of stainless steel are installed in the grooves to form a stable internal support structure. The left and right sides of the thermal insulation board 1 are respectively provided with a concave plate 5 and a plug-in block 6, which are connected in a plug-in manner to make the two thermal insulation boards tightly connected to form a stable structure, and a waterproof sealing strip 11 is added at the joint to effectively prevent water vapor from entering and ensure the waterproof performance of the thermal insulation board 1. The upper and lower parts of the polyurethane foam core layer 101 are respectively provided with a sound insulation layer 104 and a heat insulation layer 105 for effective sound insulation and heat insulation. A protection plate 106 made of aluminum-zinc plated material is covered on the outermost layer, which not only has good corrosion resistance and weather resistance, but also has anti-slip lines 7 on the surface to increase the convenience and safety during installation. In order to enhance the connection strength between the thermal insulation board 1 and the reinforcing plate 2, a plurality of reinforcing screws 10 are screwed on the reinforcing plate 2, which penetrate the reinforcing plate and extend into the thermal insulation board to provide additional support. The thermal insulation board 1 is also designed with a plurality of connecting holes 8 for easy fixation with other building materials to ensure the stability and reliability of the entire structure.
[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A polyurethane insulation board resistant to bending, comprising an insulation board (1), characterized in that: Two front sides and rear sides of the heat preservation plate (1) are fixedly connected with reinforcing plates (2), cross recesses (3) are arranged on the upper part and bottom of the heat preservation plate (1), cross reinforcing rods (4) are fixedly connected in the cross recesses (3), recessed plates (5) are fixedly connected on the left side of the heat preservation plate (1), and plug blocks (6) are fixedly connected on the right side of the heat preservation plate (1); The heat preservation plate (1) comprises a polyurethane foam core layer (101), a high-strength framework (102) is arranged inside the polyurethane foam core layer (101), a heat-conducting barrier sheet (103) is arranged between the polyurethane foam core layer (101) and the high-strength framework (102), an acoustic insulation layer (104) is fixedly connected to the lower part of the polyurethane foam core layer (101), and a heat insulation layer (105) is fixedly connected to the upper part of the polyurethane foam core layer (101); and a protection plate (106) is fixedly connected to the outside of the acoustic insulation layer (104) and the heat insulation layer (105).
2. The anti-buckling polyurethane insulation board according to claim 1, characterized in that: The high-strength framework (102) is a plastic structure, the high-strength framework (102) is embedded in the polyurethane foam core layer (101), and the protection plate (106) is provided with anti-skid lines (7).
3. The anti-buckling polyurethane insulation board according to claim 1, characterized in that: A plurality of connecting holes (8) are arranged on the heat preservation plate (1).
4. The anti-buckling polyurethane insulation board according to claim 1, characterized in that: A plurality of reinforcing screws (9) are threadedly connected to the reinforcing plate (2), and the reinforcing screws (9) extend through the reinforcing plate (2) into the heat preservation plate (1).
5. The anti-buckling polyurethane insulation board according to claim 1, characterized in that: The recessed plate (5) is provided with a groove (10).
6. The anti-buckling polyurethane insulation board according to claim 1, characterized in that: Two heat preservation plates (1) are connected in a plug-in manner and form a joint, and a waterproof sealing strip (11) is arranged at the joint between the heat preservation plates (1).
7. The anti-buckling polyurethane insulation board according to claim 1, wherein: The protection plate (106) is an aluminum-zinc-plated steel plate, and the cross reinforcing rod (4) is made of stainless steel.