High-flame-retardant phenolic aldehyde plate with heat insulation performance

Abstract

The utility model discloses a high-flame-retardant phenolic aldehyde plate with heat insulation performance, which comprises an EVA (ethylene-vinyl acetate) film and an outer wall plate, and the outer wall plate is mounted in the EVA film; the connecting plate is installed in the external wall panel, a flame-retardant plate is installed in the connecting plate, bolts are installed at the left end and the right end of the flame-retardant plate, the outer ends of the bolts are annularly sleeved with fixing ends, a sleeve is connected to the lower end of each fixing end, a connecting ring is installed in the middle of each sleeve, and a positioning piece is installed at the upper end of each fixing end; the protruding block is fixed to the inner end of the flame-retardant plate, a groove plate is installed in the protruding block, and a threaded ring sleeve is installed at the lower end of the bolt; and the outer wall plate and the connecting plate are symmetrically arranged up and down relative to the central axis of the trough plate. According to the high-flame-retardant phenolic aldehyde plate with the heat insulation performance, an EVA film can be conveniently sprayed, the service life of the plate is prolonged, various heat preservation and flame retardant materials can be conveniently integrated, the heat insulation effect is good, various panels can be conveniently pressed and fixed, and the corrosion resistance effect is high.

Description

Technical Field

[0001] The utility model relates to the technical field of high flame-retardant phenolic boards, and specifically relates to a high flame-retardant phenolic board with heat insulation performance. Background Technique

[0002] The phenolic resin insulation board has the advantages of low thermal conductivity and good heat insulation effect, and is widely used in the external wall thermal insulation system of buildings. However, the fire resistance of the phenolic resin insulation board is not satisfactory and needs to be flame-retardant modified. Adding a flame retardant to the phenolic resin can achieve the purpose of flame retardance.

[0003] A high flame-retardant phenolic foam insulation board provided by the publication number CN 105694346 A is prepared by adding a composite flame retardant to the foamed phenolic resin. The components of the composite flame retardant include one or a mixture of several of nano magnesium hydroxide, nano silicon dioxide, ammonium polyphosphate, pentaerythritol, melamine, expandable graphite. The phenolic foam insulation board of the present invention has excellent flame retardant performance and can be applied to the building insulation system.

[0004] The above-mentioned existing technical solutions have the following defects: the high flame-retardant phenolic board is not convenient for spraying the EVA film, the service life of the board is short, the heat preservation and flame retardant materials are single, the heat insulation effect is poor, it is not convenient to press and fix a variety of panels, and the corrosion resistance effect is weak. Therefore, the utility model provides a high flame-retardant phenolic board with heat insulation performance to solve the above-mentioned problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high flame-retardant phenolic board with heat insulation performance to solve the problems that the high flame-retardant phenolic board is not convenient for spraying the EVA film, the service life of the board is short, the heat preservation and flame retardant materials are single, the heat insulation effect is poor, it is not convenient to press and fix a variety of panels, and the corrosion resistance effect is weak as mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a high flame-retardant phenolic board with heat insulation performance, including an EVA film and an exterior wall board, and the exterior wall board is installed inside the EVA film;

[0007] It further includes:

[0008] A connecting plate, which is installed inside the exterior wall board. A flame retardant board is installed inside the connecting plate. Bolts are installed at both the left and right ends of the flame retardant board. A fixing end is sleeved outside the bolts. A sleeve is connected to the lower end of the fixing end. A connecting ring is installed in the middle of the sleeve. A positioning piece is installed at the upper end of the fixing end;

[0009] A convex block, which is fixed at the inner end of the flame retardant board. A groove plate is installed inside the convex block. A screw ring sleeve is installed at the lower end of the bolt.

[0010] Preferably, the outer wall panel and the connecting plate are symmetrically arranged up and down with respect to the central axis of the groove plate, and positioning pieces are buried at the left and right ends of the connecting plate.

[0011] Preferably, the lower end of the flame retardant board is fixedly connected to the convex block, and both the upper and lower ends of the groove plate are connected to the convex block in a clamping manner.

[0012] Preferably, the bolts are symmetrically arranged up and down with respect to the central axis of the groove plate, and the lower end of the bolt is connected to the screw ring sleeve in a threaded manner.

[0013] Preferably, the sleeve ring is sleeved on the outer end of the bolt, and a broken line groove with a smaller upper part and a larger lower part is provided at the front end of the sleeve.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: The high flame retardant phenolic board with heat insulation performance is convenient for spraying the EVA film, prolongs the service life of the board, is convenient for integrating a variety of heat preservation and flame retardant materials, has good heat insulation effect, is convenient for pressing and fixing a variety of panels, and has strong corrosion resistance effect;

[0015] 1. The EVA film and the outer wall panel are provided. Spraying the EVA film on the outer side of all the panels is convenient for achieving the purpose of waterproofing and oil-proofing, thereby prolonging the service life of the board;

[0016] 2. The outer wall panel, the connecting plate and the flame retardant board are provided. Both the upper and lower parts of the groove plate are attached to the convex block, and a flame retardant adhesive is applied to the connecting surface. The outer wall panel and the flame retardant board are made of the same material, both are rectangular plates made of polyimide resin, and the connecting plate is made of foam glass;

[0017] 3. The bolt, the sleeve and the connecting ring are provided. During the rotation process, the screw ring sleeve rotates upward along with the thread, extruding the sleeve outwards, so as to achieve the effect of pressing and fixing. This structure is convenient for fixedly installing the outer wall panel, the connecting plate and the flame retardant board. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view sectional structure schematic diagram of the present utility model;

[0019] Figure 2 It is a side view sectional structure schematic diagram of the present utility model;

[0020] Figure 3 It is a schematic diagram of the connection structure between the bolt and the sleeve of the present utility model;

[0021] Figure 4 It is a schematic diagram of the connection structure between the bolt and the positioning piece of the present utility model.

[0022] In the figure: 1, EVA film; 2, outer wall panel; 3, connecting plate; 4, flame retardant board; 5, bolt; 6, sleeve; 7, connecting ring; 8, fixed end; 9, positioning piece; 10, convex block; 11, groove plate; 12, screw ring sleeve. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4 , the present utility model provides a technical solution: a highly flame-retardant phenolic board with heat insulation performance, including an EVA film 1, an exterior wall board 2, a connecting board 3, a flame-retardant board 4, a bolt 5, a sleeve 6, a connecting ring 7, a fixed end 8, a positioning piece 9, a convex block 10, a groove board 11 and a screw ring sleeve 12.

[0025] The connecting board 3 is installed inside the exterior wall board 2. A flame-retardant board 4 is installed inside the connecting board 3. Bolts 5 are installed at both the left and right ends of the flame-retardant board 4. A fixed end 8 is sleeved outside the bolts 5. A sleeve 6 is connected to the lower end of the fixed end 8. A connecting ring 7 is installed in the middle of the sleeve 6. A positioning piece 9 is installed at the upper end of the fixed end 8;

[0026] The convex block 10 is fixed to the inner end of the flame-retardant board 4. A groove board 11 is installed inside the convex block 10. A screw ring sleeve 12 is installed at the lower end of the bolt 5.

[0027] As Figure 1 and Figure 2 shown, the exterior wall board 2 and the connecting board 3 are symmetrically arranged up and down with respect to the central axis of the groove board 11. Positioning pieces 9 are buried at both the left and right ends of the connecting board 3. The lower end of the flame-retardant board 4 is fixedly connected to the convex block 10. Both the upper and lower ends of the groove board 11 are connected to the convex block 10 in a clamping manner. The board is made of composite flame-retardant boards spliced together, including a groove board 11 made of phenolic resin. Both the upper and lower parts of the groove board 11 are in contact with the convex block 10, and the joint surface is coated with a flame-retardant adhesive. The exterior wall board 2 and the flame-retardant board 4 are made of the same material, both are rectangular plates made of polyimide resin. The connecting board 3 is made of foam glass, and positioning pieces 9 are fixedly inlaid at both its left and right ends. Finally, an EVA film 1 is sprayed on the outside of all the plates to facilitate achieving the purpose of waterproof and oil-proof, thereby extending the service life of the board.

[0028] As Figure 3 and Figure 4As shown in the figure, the bolts 5 are symmetrically arranged above and below the central axis of the groove plate 11, and the lower end of the bolt 5 is connected to the screw ring sleeve 12 in a threaded manner. The sleeve 6 is sleeved on the outer end of the bolt 5, and a broken line groove with a smaller upper part and a larger lower part is provided at the front end of the sleeve 6. First, the convex blocks 10 are clamped at the upper and lower ends of the groove plate 11, and then the outer wall plate 2 and the connecting plate 3 are sequentially attached to the outer end of the flame retardant plate 4. Reserved holes are drilled in advance between the outer wall plate 2, the connecting plate 3 and the flame retardant plate 4, and the bolt 5 is placed in the middle of the positioning piece 9. A bolt tightening tool is attached to the upper end of the bolt 5 from above to drive the bolt 5 to rotate. During the rotation, the screw ring sleeve 12 moves upward along with the thread rotation, extruding the sleeve 6 outward, so as to achieve the effect of pressing and fixing. This structure facilitates the fixed installation of the outer wall plate 2, the connecting plate 3 and the flame retardant plate 4.

[0029] The standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machines, parts and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0030] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A highly flame-retardant phenolic board with heat insulation performance, comprising an EVA film (1) and an exterior wall board (2), wherein the exterior wall board (2) is installed inside the EVA film (1); It is characterized in that Also includes: A connecting plate (3) is installed inside the exterior wall plate (2), a flame retardant plate (4) is installed inside the connecting plate (3), bolts (5) are installed at both left and right ends of the flame retardant plate (4), and the outer end of the bolt (5) is sleeved with a fixed end (8), the lower end of the fixed end (8) is connected to a sleeve (6), a connecting ring (7) is installed in the middle of the sleeve (6), and a positioning piece (9) is installed at the upper end of the fixed end (8); A convex block (10) is fixed to the inner end of the flame retardant plate (4), a groove plate (11) is installed inside the convex block (10), and a screw ring sleeve (12) is installed at the lower end of the bolt (5).

2. The highly flame-retardant phenolic board with heat insulation performance according to claim 1, characterized in that: The exterior wall plate (2) and the connection plate (3) are arranged symmetrically up and down about the central axis of the groove plate (11), and positioning pieces (9) are embedded at the left and right ends of the connection plate (3).

3. The highly flame-retardant phenolic board with heat insulation performance according to claim 1, characterized in that: The lower end of the flame retardant plate (4) is fixedly connected to the protrusion (10), and the upper and lower ends of the groove plate (11) are connected to the protrusion (10) in a snap-fit ​​manner.

4. The highly flame-retardant phenolic board with heat insulation performance according to claim 1, characterized in that: The bolts (5) are arranged symmetrically up and down about the central axis of the slot plate (11), and the lower ends of the bolts (5) are connected to the screw ring sleeve (12) in a threaded manner.

5. The highly flame-retardant phenolic board with heat insulation performance according to claim 1, characterized in that: The sleeve (6) is sleeved on the outer end of the bolt (5), and a folding groove with a smaller top and a larger bottom is provided at the front end of the sleeve (6).

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