Thermal insulation and noise reduction polyurethane board

By designing a mating structure of interlocking blocks and interlocking slots on polyurethane boards and fixing them with sealant, combined with limiting blocks and limiting slots, the problem of weak splicing of traditional polyurethane boards is solved, achieving higher connection strength and stability.

CN224395820UActive Publication Date: 2026-06-23SHAOXING SHUNFENG POLYURETHANE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHAOXING SHUNFENG POLYURETHANE CO LTD
Filing Date
2025-06-30
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Traditional polyurethane panels lack reliable fixing during splicing, resulting in poor connection between adjacent panels, making them susceptible to external forces and vibrations, thus weakening the overall stability of the wall.

Method used

It adopts a mating structure of plug-in blocks and plug-in grooves, and injects sealant through the injection hole. The flowability of the sealant forms a fixation, and the combination of limiting blocks and limiting grooves improves the splicing strength and stability.

Benefits of technology

It enhances the splicing strength and stability of polyurethane panels, enabling them to resist external pulling and vibration, and improving the reliability and fixing effect of splicing parts.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224395820U_ABST
    Figure CN224395820U_ABST
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Abstract

This utility model discloses a heat-insulating and noise-reducing polyurethane board, including a main board, an extension plate on one side of the main board, an insertion block at the bottom of the extension plate, and a fixing seat on the other side of the main board. The top of the fixing seat has an insertion groove adapted to the insertion block, and the insertion block is inserted into the insertion groove of an adjacent main board. The top of the insertion block has multiple sets of injection holes for sealant injection, and the bottom of the insertion block has multiple sets of outlet grooves communicating with the injection holes. By installing the extension plate onto the fixing seat of the adjacent main board, the insertion block is inserted into the insertion groove of the adjacent main board. The insertion of the insertion block and the insertion groove forms a preliminary positioning. Then, sealant is filled into the insertion groove through the injection holes and connecting holes, fixing the insertion block and the extension plate to the fixing seat. This improves the connection strength when adjacent polyurethane boards are spliced, enabling the spliced ​​part to resist external pulling and vibration.
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Description

Technical Field

[0001] This utility model relates to the field of polyurethane board technology, and more specifically, to a heat-insulating and noise-reducing polyurethane board. Background Technology

[0002] Polyurethane panels are commonly used in external insulation systems for industrial and civil buildings, and their thermal insulation and noise reduction performance directly affects building energy efficiency and user experience. Traditional polyurethane panels lack reliable fixing during splicing, making the joints susceptible to loosening due to external forces and vibrations, thus weakening the overall structural integrity of the wall. For example, utility model patent CN212926533U discloses a steel structure thermal insulation and noise reduction polyurethane panel, including a main panel comprising a panel layer, a second limiting groove, a third limiting groove, a polyurethane panel layer, a sound insulation cotton layer, a phenolic foam layer, a reinforcing layer, hollow columns, and flame-retardant filler. The panel layer has a second limiting groove on one side. In this polyurethane panel structure, because there is no effective fixing between adjacent polyurethane panels, assembly during actual horizontal splicing relies solely on the matching shape of the limiting grooves, lacking reliable fixing and resulting in poor connection between adjacent polyurethane panels.

[0003] Therefore, a new solution is needed to address the above problems. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a heat-insulating and noise-reducing polyurethane board.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A heat-insulating and noise-reducing polyurethane board includes a main board, an extension plate on one side of the main board, an insertion block at the bottom of the extension plate, a fixing seat on the other side of the main board, an insertion groove adapted to the insertion block at the top of the fixing seat, and the insertion block being inserted into the insertion groove of an adjacent main board; the top of the insertion block has a plurality of injection holes evenly provided for injecting sealant, and the bottom of the insertion block has a plurality of outlet grooves communicating with the injection holes.

[0007] Furthermore, the insertion slot has a first filling slot and a second filling slot arranged sequentially from top to bottom, and both the first filling slot and the second filling slot are connected to the insertion slot.

[0008] Furthermore, the insertion slot has multiple sets of connecting holes that communicate with the liquid outlet slot, and the connecting holes communicate with the first filling slot and the second filling slot.

[0009] Furthermore, the top of the fixing base is provided with a support portion for supporting the extension plate.

[0010] Furthermore, a clearance groove is provided between the plug block and one side of the main plate, and the side of the fixing seat is inserted into the clearance groove.

[0011] Furthermore, two sets of limiting blocks are symmetrically fixedly connected to one end of the main body plate, and a limiting groove adapted to the limiting blocks is opened at the other end of the main body plate. The limiting blocks are inserted into the limiting grooves of adjacent main body plates.

[0012] Furthermore, the main body panel includes a polyurethane board layer, a first flame-retardant sponge, sound insulation cotton, a bubble aluminum film layer, and a second flame-retardant sponge, which are arranged sequentially from top to bottom inside the polyurethane board layer.

[0013] The beneficial effects of this utility model are:

[0014] In this invention, by installing the extension plate on the fixing seat of the adjacent main plate, the plug-in block is inserted into the plug-in groove of the adjacent main plate. The plug-in block and the plug-in groove are used to form a preliminary positioning. Then, sealant is filled into the plug-in groove through the injection hole and the connecting hole, so that the plug-in block and the extension plate are fixed to the fixing seat. This improves the connection strength when the adjacent polyurethane boards are spliced, and enables the spliced ​​part to resist the influence of external force pulling and vibration, thereby improving the reliability and fixing effect of the splicing of adjacent polyurethane boards. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a structure of the thermal insulation and noise reduction polyurethane board in this embodiment;

[0016] Figure 2 This is a schematic diagram of the thermal insulation and noise reduction polyurethane board from another perspective in this embodiment;

[0017] Figure 3 for Figure 2 Enlarged view of section A;

[0018] Figure 4 This is a schematic diagram illustrating one usage state of the thermal insulation and noise reduction polyurethane board in this embodiment;

[0019] Figure 5 This is a front view schematic diagram of one usage state of the thermal insulation and noise reduction polyurethane board in this embodiment;

[0020] Figure 6 for Figure 5 Enlarged view of section B;

[0021] Figure 7 This is a schematic diagram of one structure of the main body plate in this embodiment.

[0022] Reference numerals: 1. Main body plate; 2. Extension plate; 3. Insertion block; 4. Injection hole; 5. Outlet groove; 6. Fixing base; 7. Support part; 8. Insertion groove; 9. First filling groove; 10. Second filling groove; 11. Connecting hole; 12. Limiting block; 13. Limiting groove; 14. Avoidance groove; 15. First flame-retardant sponge; 16. Sound insulation cotton; 17. Bubble aluminum film layer; 18. Second flame-retardant sponge; 19. Polyurethane board layer. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example: A thermal insulation and noise reduction polyurethane board, such as Figures 1-7 As shown, the system includes a main body plate 1, an extension plate 2 integrally formed on one side of the main body plate 1, an insertion block 3 integrally formed on the bottom of the extension plate 2, a fixing seat 6 integrally formed on the other side of the main body plate 1, an insertion groove 8 adapted to the insertion block 3 on the top of the fixing seat 6, and the insertion block 3 being inserted into the insertion groove 8 of the adjacent main body plate 1; multiple sets of injection holes 4 for injecting sealant are evenly formed on the top of the insertion block 3, and multiple sets of outlet grooves 5 connected to the injection holes 4 are formed on the bottom of the insertion block 3.

[0025] When the insert block 3 is inserted into the insert groove 8, both sides of the insert block 3 contact the inner wall of the insert groove 8, thus serving to position the polyurethane panels during splicing. The sealant is a polyurethane-filled sealant with a certain degree of fluidity, capable of self-leveling in expansion joints or cracks, automatically filling and forming a sealing effect. The main component of this sealant includes liquid polysulfide rubber, and its appearance is a water-like liquid gel. When injecting the sealant through the injection hole 4, the injection tube of the injection tool must block the injection hole 4 to prevent the sealant from leaking out from the gap between the injection tube and the injection hole 4.

[0026] Furthermore, such as Figure 3 As shown, the insertion slot 8 has a first filling slot 9 and a second filling slot 10 arranged sequentially from top to bottom inside. Both the first filling slot 9 and the second filling slot 10 are connected to the insertion slot 8. The insertion slot 8 has multiple sets of connecting holes 11 that are connected to the liquid outlet slot 5. The connecting holes 11 are connected to the first filling slot 9 and the second filling slot 10.

[0027] After the sealant is injected into the outlet tank 5, it passes through the connecting hole 11 into the first filling tank 9 and the second filling tank 10. After the sealant cures, the extension plate 2 and the plug-in block 3 are fixed in the fixing seat 6 of the adjacent main body plate 1. Preferably, during sealant injection, thin sheets can be installed at both ends of the fixing seat 6 to cover both ends of the plug-in groove 8, preventing or reducing the sealant from flowing out of the plug-in groove 8. After the sealant is fixed, the thin sheets can be removed. At the same time, using the thin sheets to cover both ends of the plug-in groove 8 allows the plug-in block 3 to be aligned with both ends of the plug-in groove 8.

[0028] Furthermore, such as Figure 3 , Figure 5 and Figure 6 As shown, the top of the fixing base 6 is provided with a support part 7 for supporting the extension plate 2. When the extension plate 2 is placed on the support plate, the support plate supports the extension plate 2, so that the surface of the extension plate 2 is flush with the surface of the adjacent main body plate 1, thereby making the polyurethane plates flush and achieving flatness.

[0029] Furthermore, such as Figure 1 and Figure 2 As shown, a clearance groove 14 is provided between the plug-in block 3 and one side of the main body plate 1, and the side of the fixing seat 6 is inserted into the clearance groove 14. After the two sets of main body plates 1 are spliced, the side of the fixing seat 6 is inserted into the clearance groove 14, which serves to position the plug-in block 3.

[0030] Furthermore, such as Figure 1 , Figure 2 and Figure 4 As shown, two sets of limiting blocks 12 are symmetrically fixedly connected on one side of the main body plate 1. The main body plate 1 is provided with a limiting groove 13 that is adapted to the limiting block 12. The limiting block 12 is inserted into the limiting groove 13 of the adjacent main body plate 1.

[0031] By setting a limiting block 12 and a limiting groove 13, and inserting the limiting block 12 into the limiting groove 13, longitudinal splicing of polyurethane boards can be achieved. At the same time, by setting the limiting block 12 in a triangular shape and adjusting the limiting groove 13 accordingly, the stability of longitudinal splicing of polyurethane boards can be improved.

[0032] Furthermore, such as Figure 7 As shown, the main body panel 1 includes a polyurethane panel 19, a first flame-retardant sponge 15, a sound insulation cotton 16, a bubble aluminum film layer 17, and a second flame-retardant sponge 18. The first flame-retardant sponge 15, the sound insulation cotton 16, the bubble aluminum film layer 17, and the second flame-retardant sponge 18 are arranged inside the polyurethane panel 19 from top to bottom.

[0033] By combining the first flame-retardant sponge 15 and the second flame-retardant sponge 18, flame retardancy is applied to both sides of the polyurethane board layer 19, thereby improving the flame-retardant effect of the main board 1; the sound insulation cotton 16 plays a role in sound insulation; and the bubble aluminum film layer 17 plays a role in heat insulation of the main board 1.

[0034] When splicing polyurethane panels laterally, the extension plate 2 on one side of the main body plate 1 is installed on the fixing seat 6 on the other side of the adjacent main body plate 1, so that the insertion block 3 is inserted into the insertion groove 8, and the bottom end of the extension plate 2 abuts against the top end of the support part 7, thereby splicing the polyurethane panels laterally.

[0035] After the polyurethane panels are horizontally spliced, sealant is injected into the outlet groove 5 through the injection hole 4. The sealant injected into the outlet groove 5 enters the first filling groove 9 and the second filling groove 10 through the connecting hole 11 to fill the groove. After the sealant cures, the extension plate 2 and the plug block 3 are fixed in the fixing seat 6 of the adjacent main plate 1 to improve the connection strength when the adjacent polyurethane panels are spliced, so that the spliced ​​part can resist the influence of external force pulling and vibration, and improve the reliability and fixing effect of the splicing of adjacent polyurethane panels.

[0036] When splicing polyurethane boards longitudinally, the limiting block 12 is aligned with the limiting groove 13 and inserted into the limiting groove 13 to splice the polyurethane boards longitudinally.

[0037] The above description is merely a preferred embodiment 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 protected. 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 the protection scope of this utility model.

Claims

1. A thermal insulation and noise reduction polyurethane board, characterized in that, The system includes a main plate (1), an extension plate (2) on one side of the main plate (1), a plug-in block (3) at the bottom of the extension plate (2), a fixing seat (6) on the other side of the main plate (1), a plug-in groove (8) adapted to the plug-in block (3) at the top of the fixing seat (6), and the plug-in block (3) is inserted into the plug-in groove (8) of the adjacent main plate (1); the top of the plug-in block (3) has a plurality of injection holes (4) evenly provided for injecting sealant, and the bottom of the plug-in block (3) has a plurality of outlet grooves (5) connected to the injection holes (4).

2. The thermal insulation and noise reduction polyurethane board according to claim 1, characterized in that, The insertion slot (8) has a first filling slot (9) and a second filling slot (10) arranged sequentially from top to bottom inside, and both the first filling slot (9) and the second filling slot (10) are connected to the insertion slot (8).

3. The thermal insulation and noise reduction polyurethane board according to claim 2, characterized in that, The insertion slot (8) has multiple sets of connecting holes (11) that communicate with the liquid outlet slot (5). The connecting holes (11) are connected to the first filling slot (9) and the second filling slot (10).

4. The thermal insulation and noise reduction polyurethane board according to claim 1, characterized in that, The top of the fixed base (6) is provided with a support part (7) for supporting the extension plate (2).

5. The thermal insulation and noise reduction polyurethane board according to claim 1, characterized in that, A clearance groove (14) is provided between the plug-in block (3) and one side of the main body plate (1), and the side of the fixing seat (6) is inserted into the clearance groove (14).

6. The thermal insulation and noise reduction polyurethane board according to claim 1, characterized in that, Two sets of limiting blocks (12) are symmetrically fixedly connected to one end of the main body plate (1), and a limiting groove (13) adapted to the limiting block (12) is opened at the other end of the main body plate (1). The limiting block (12) is inserted into the limiting groove (13) of the adjacent main body plate (1).

7. The thermal insulation and noise reduction polyurethane board according to claim 1, characterized in that, The main board (1) includes a polyurethane board layer (19), a first flame-retardant sponge (15), a sound insulation cotton (16), a bubble aluminum film layer (17), and a second flame-retardant sponge (18). The first flame-retardant sponge (15), the sound insulation cotton (16), the bubble aluminum film layer (17), and the second flame-retardant sponge (18) are arranged sequentially inside the polyurethane board layer (19) from top to bottom.