Composite board capable of hiding keel

Abstract

The utility model relates to a composite board capable of hiding a keel, which comprises an inner wall panel, an outer wall panel, a sandwich layer and the keel, and a plurality of reinforcing ribs are arranged on the inner wall panel at equal intervals; the keel is embedded into the reinforcing ribs and the sandwich layer, and the thickness of the sandwich layer between the outer wall panel and the keel is not less than 20mm; or the keel breaks the inner wall panel and the sandwich layer, the keel is located between the two reinforcing ribs, and the thickness of the sandwich layer between the outer wall panel and the keel is not smaller than 20 mm. Keels needed by door and window installation can be hidden visually, the wall face is more attractive, installation of a conventional main purlin can be completely omitted, the construction speed is increased, and meanwhile the door and window installation structure has good heat preservation, heat insulation, waterproof performance and the like.

Description

Technical Field

[0001] The utility model relates to a composite board with a hidden keel, belonging to the technical field of prefabricated buildings. Background Art

[0002] At present, in the light steel wall system, most methods are to fix the board to the transverse main purlin or first fix it to the longitudinal secondary purlin and then fix it to the transverse main purlin. The main purlin and the main purlin support are constructed by connecting methods. This way has complicated procedures, slow construction speed, many types of components, high installation requirements, many connection nodes, and problems such as unreliable connection nodes are likely to occur. Therefore, a purlin-free wall system has been developed to save wall materials, simplify construction steps, and improve installation efficiency and quality.

[0003] However, the conventional purlin-free system cannot achieve a truly purlin-free state. At the doors and windows, since the sandwich panel itself cannot provide the keel required for the installation of the door frame and window frame, the existing purlin-free system needs to disconnect the wall panel at the corresponding positions of the doors and windows and attach purlins for installing the doors and windows. Due to fire protection and passage requirements, a certain number of doors and windows are often provided in the factory building. The method of attaching purlins results in a reduced indoor appearance of the conventional purlin-free system, a slow installation speed, the formation of cold bridges due to the lack of local thermal insulation cotton, a reduced thermal insulation effect, and problems such as water leakage are also likely to occur.

[0004] Therefore, those skilled in the art urgently need to design a composite wall panel that can visually hide the keel required for door and window installation, its corresponding connection nodes, and production and manufacturing processes. That is, it can completely cancel the installation of conventional main purlins and has good thermal insulation, waterproof and other properties.

[0005] The present utility model is thus produced. Content of the Utility Model

[0006] Aiming at the above technical problems of the prior art, the purpose of the present utility model is to provide a composite board with a hidden keel, which can visually hide the keel required for door and window installation, make the wall more beautiful, can completely cancel the installation of conventional main purlins, improve the construction speed, and at the same time has good thermal insulation, waterproof and other properties.

[0007] To achieve the above purpose, the present utility model is realized through the following technical solutions:

[0008] A composite board with a hidden keel includes an inner wall panel, an outer wall panel, a sandwich layer and a keel. A number of reinforcing ribs are arranged at equal intervals on the inner wall panel; the keel is embedded within the reinforcing ribs and the sandwich layer, and the thickness of the sandwich layer between the outer wall panel and the keel is not less than 20 mm; or the keel breaks through the inner wall panel and the sandwich layer, the keel is located between two reinforcing ribs, and the thickness of the sandwich layer between the outer wall panel and the keel is not less than 20 mm.

[0009] The width of the composite board is 800 - 1200 mm, the height is 50 - 200 mm, and the spacing between the board ribs is 200 - 300 mm.

[0010] Both the exterior wall panel and the interior wall panel are aluminized zinc wall panels. The exterior wall panel is a pure flat plate or a small corrugated plate.

[0011] The sandwich layer is a rock wool sandwich layer or a glass wool sandwich layer, and the keel is a rectangular tube or a square tube.

[0012] An adhesive is used for bonding between the exterior wall panel and the sandwich layer and between the interior wall panel and the sandwich layer.

[0013] The adhesive is a polyurethane adhesive.

[0014] Both ends of the composite board are respectively a male edge and a female edge, and the male edge and the female edge are inserted to achieve the connection between the composites.

[0015] The male edge includes a protruding portion. Above the protruding portion, there is an upper edge. An inner concave notch one is formed between the upper edge and the protruding portion through an inclined edge and a vertical edge. Below the protruding portion, there is an inner concave notch two. The female edge successively includes a first step, a second step, a middle edge, and a lower bottom from top to bottom. An inner concave notch three is formed between the middle edge and the lower bottom. When connecting, the protruding portion enters the inner concave notch three, the upper edge abuts against the first step, the middle edge enters the inner concave notch one, and the lower bottom abuts against the inner concave notch two.

[0016] The male edge successively includes a male edge upper edge, a protruding portion, and a male edge lower bottom from top to bottom. An inner concave notch one is formed between the male edge upper edge and the protruding portion, and an inner concave notch two is formed between the protruding portion and the male edge lower bottom. The female edge includes an upper step. Below the upper step, there are successively a female edge upper edge and a female edge lower bottom from top to bottom. An inner concave notch three is formed between the female edge upper edge and the female edge lower bottom, and an inner concave notch four is formed below the female edge lower bottom. When connecting, the protruding portion enters the inner concave notch three, the female edge upper edge enters the inner concave notch one, the male edge upper edge abuts against the upper step, the female edge lower bottom enters the inner concave notch two, and the male edge lower bottom enters the inner concave notch four.

[0017] The composite board of the utility model capable of hiding the keel has the following beneficial effects:

[0018] In the utility model, the exterior wall panel has good flatness and can be nearly flat visually. The interior wall panel has no protruding wall keel or purlin, and has excellent indoor and outdoor visual effects. The utility model reduces the construction difficulty of the wall enclosure structure, reduces the processes, and improves the construction speed. The keel in the utility model is hidden inside the interior wall panel, and the exterior wall panel has no cutting, so the waterproof performance is good. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of Embodiment 1;

[0020] Figure 2 It is a schematic structural diagram of Embodiment 2;

[0021] Figure 3 It is a schematic structural diagram of Embodiment 3;

[0022] Wherein: 1 is an outer wall panel, 2 is an inner wall panel, 3 is a sandwich layer, 4 is a stiffener, 5 is a keel, 6 is a male edge: 61 is a convex part, 62 is an upper edge, 63 is an inclined edge, 64 is a vertical edge, 65 is a first concave notch, 66 is a second concave notch, 67 is an upper edge of the male edge, 68 is a lower bottom of the male edge, 7 is a female edge, 71 is a first step, 72 is a second step, 73 is a middle edge, 74 is a lower bottom, 75 is a third concave notch, 76 is an upper step, 77 is an upper edge of the female edge, 78 is a lower bottom of the female edge, 79 is a fourth concave notch, 8 is a blind rivet, and 9 is a stitching nail. Specific embodiments

[0023] The present utility model will be further described below in conjunction with specific embodiments, but the protection scope of the present utility model is not limited thereto. Embodiment

[0024] As Figure 1 shown, the composite board of Embodiment 1 capable of hiding the keel includes an inner wall panel 2, an outer wall panel 1, a sandwich layer 3 and a keel 5. A plurality of stiffeners 4 are arranged at equal intervals on the inner wall panel 2, improving the bearing capacity of the board surface.

[0025] In Embodiment 1, the keel 5 is a rectangular pipe or a square pipe. The keel 5 is embedded within the stiffener 4 and the sandwich layer 3, without damaging the integrity of the inner wall panel 2 and the outer wall panel 1. Moreover, the thickness of the sandwich layer 3 between the outer wall panel 1 and the keel 5 is not less than 20 mm to reduce the cold bridge in the wall panel.

[0026] Both the outer wall panel 1 and the inner wall panel 2 in Embodiment 1 are aluminized zinc wall panels. The outer wall panel 1 is a small corrugated wall panel with a corrugation height not greater than 1 mm, which is nearly flat to the naked eye. The sandwich layer 3 is a rock wool sandwich layer or a glass wool sandwich layer. An adhesive is used to bond between the outer wall panel 1 and the sandwich layer 3, and between the inner wall panel 2 and the sandwich layer 3. The adhesive can be a polyurethane adhesive.

[0027] Further preferably, the width of the composite wall panel in Embodiment 1 is 800 - 1200 mm, such as 800 mm, 1200 mm, 1000 mm, etc., the height is 50 - 200 mm, such as 50 mm, 200 mm, 125 mm, etc., and the plate rib spacing is 200 - 300 mm, such as 200 mm, 300 mm, 250 mm, etc.

[0028] More preferably, both ends of the composite wall panel of Embodiment 1 are respectively a male edge 6 and a female edge 7. The male edge 6 and the female edge 7 are inserted into each other to realize the connection between the composite wall panels, and the rabbet edge and the rib are filled with polyurethane or other fillers.

[0029] Among them, the male edge 6 includes a convex portion 61. Above the convex portion 61, there is an upper edge 62. An inner concave notch 65 is formed between the upper edge 62 and the convex portion 61 through an inclined edge 63 and a vertical edge 64. Below the convex portion 61, there is an inner concave notch 66. The female edge 7 successively includes a first step 71, a second step 72, a middle edge 73 and a lower bottom 74 from top to bottom. An inner concave notch 75 is formed between the middle edge 73 and the lower bottom 74. During connection, the convex portion 61 enters the inner concave notch 75, the upper edge 62 abuts against the first step 71, the middle edge 73 enters the inner concave notch 65, and the lower bottom 74 abuts against the inner concave notch 66.

[0030] The production process of the composite board with hidden keel in Embodiment 1 includes the following steps:

[0031] (1) Use a bending machine to bend the exterior wall panel 1 and the interior wall panel 2 according to the size requirements;

[0032] (2) Cut the sandwich layer 3. When the sandwich layer 3 is a rock wool sandwich layer, adjust the direction of the rock wool fibers;

[0033] (3) Fill the stiffening rib 4 with polyurethane foam;

[0034] (4) Spray polyurethane adhesive on the formed exterior wall panel 1, interior wall panel 2 and sandwich layer 3, and assemble them;

[0035] (5) Embed the keel 5 into the stiffening rib 4 and the sandwich layer 3. The thickness of the sandwich layer 3 between the exterior wall panel 1 and the keel 5 is not less than 20 mm;

[0036] (6) Heat and press the assembled composite board for 8 - 10 minutes to completely cure the glue;

[0037] (7) Seal the rabbet with polyurethane foam. Embodiment

[0038] As Figure 2 shown, for the composite board with hidden keel in Embodiment 2, the exterior wall panel 1 is a flat wall panel. Flat means that the surface of the steel plate has no texture, that is, it is horizontal.

[0039] The common edge 6 successively includes an upper common edge 67, a convex part 61, and a lower common edge bottom 68 from top to bottom. An inner concave notch one 65 is formed between the upper common edge 67 and the convex part 61, and an inner concave notch two 66 is formed between the convex part 61 and the lower common edge bottom 68; the female edge 7 includes an upper step 76, and below the upper step 76, there are successively arranged an upper female edge 77 and a lower female edge bottom 78 from top to bottom. An inner concave notch three 75 is formed between the upper female edge 77 and the lower female edge bottom 78, and an inner concave notch four 79 is arranged below the lower female edge bottom 78. During connection, the convex part 61 enters into the inner concave notch three 75, the upper female edge 77 enters into the inner concave notch one 65, the upper common edge 67 abuts against the upper step 76, the lower female edge bottom 78 enters into the inner concave notch two 66, and the lower common edge bottom 68 enters into the inner concave notch four 79.

[0040] For other structures, connection relationships, production processes, etc. of the composite board with a hidden keel in this Embodiment 2, they are the same as those in Embodiment 1 and will not be elaborated here. Embodiment

[0041] As Figure 3 As shown, for the composite board with a hidden keel in this Embodiment 3, the keel 5 breaks the interior wall panel 2 and the sandwich layer 3, so that the keel 5 is located between two stiffeners 4. The connection part between the keel 5 and the interior wall panel 2 is fixed by a rivet 8, and the lower part of the keel 5 is reinforced by a stitching nail 9. The thickness of the sandwich layer 3 between the exterior wall panel 1 and the keel 5 is not less than 20 mm. The exterior wall panel 1 is a small corrugated wall panel, and the corrugation height is not more than 1 mm, and it is nearly flat to the naked eye.

[0042] For the production process of the composite board with a hidden keel in this Embodiment 3, step (5) is: break the interior wall panel 2 and the sandwich layer 3, embed the keel 5 into the broken interior wall panel 2 and sandwich layer 3, the keel 5 is located between two stiffeners 4, and the thickness of the sandwich layer 3 between the exterior wall panel 1 and the keel 5 is not less than 20 mm.

[0043] For other structures, connection relationships, production processes, etc. of the composite board with a hidden keel in this Embodiment 3, they are the same as those in Embodiment 1 and will not be elaborated here.

[0044] The utility model improves the overall aesthetics, reduces the comprehensive cost, and speeds up the on-site construction speed.

[0045] The above embodiments are only used to explain the inventive concept of the utility model, rather than a limitation on the protection scope of the utility model rights. Any non-substantive modification made to the utility model using this concept shall fall within the protection scope of the utility model.

Claims

1. A composite panel with hidden keels, characterized in that: It includes an inner wall panel, an outer wall panel, a sandwich layer and a keel, wherein the inner wall panel is provided with a plurality of reinforcing strengths at equal intervals; the keel is embedded in the reinforcing strengths and the sandwich layer, and the thickness of the sandwich layer between the outer wall panel and the keel is not less than 20 mm; or the keel interrupts the inner wall panel and the sandwich layer, the keel is located between two reinforcing strengths, and the thickness of the sandwich layer between the outer wall panel and the keel is not less than 20 mm.

2. The composite panel with hidden keels as claimed in claim 1, characterized in that: The composite board has a width of 800-1200 mm, a height of 50-200 mm, and a rib spacing of 200-300 mm.

3. The composite panel with hidden keels as claimed in claim 1, characterized in that: The exterior wall panels and interior wall panels are both aluminum-zinc coated wall panels, and the exterior wall panels are pure flat wall panels or small corrugated wall panels.

4. The composite panel with hidden keels as claimed in claim 1, characterized in that: The sandwich layer is a rock wool sandwich layer or a glass wool sandwich layer, and the keel is a rectangular tube or a square tube.

5. The composite panel with hidden keels as claimed in claim 1, characterized in that: The exterior wall panels and the sandwich layer, as well as the interior wall panels and the sandwich layer are bonded with adhesive.

6. The composite panel with hidden keels as claimed in claim 5, characterized in that: The adhesive is a polyurethane adhesive.

7. The composite panel with hidden keels according to any one of claims 1 to 6, characterized in that: The two ends of the composite board are respectively a male side and a female side, and the male side and the female side are plugged in to achieve the connection between the composites.

8. The composite panel with hidden keels as claimed in claim 7, characterized in that: The male edge includes a raised portion, an upper edge is provided above the raised portion, an inner recess one is formed between the upper edge and the raised portion through an oblique edge and a vertical edge, and an inner recess two is provided below the raised portion; the female edge includes a first step, a second step, a middle edge and a lower bottom from top to bottom, and an inner recess three is formed between the middle edge and the lower bottom; when connected, the raised portion enters the inner recess three, the upper edge abuts against the first step, the middle edge enters the inner recess one, and the lower bottom abuts against the inner recess two.

9. The composite panel with hidden keels as claimed in claim 7, characterized in that: The male side includes, from top to bottom, a male side upper side, a raised portion and a male side lower bottom, an inner recess one is formed between the male side upper side and the raised portion, and an inner recess two is formed between the raised portion and the male side lower bottom; the female side includes an upper step, and below the upper step, from top to bottom, a female side upper side and a female side lower bottom are provided, an inner recess three is formed between the female side upper side and the female side lower bottom, and an inner recess four is provided below the female side lower bottom; when connected, the raised portion enters into inner recess three, the female side upper side enters into inner recess one, the male side upper side abuts against the upper step, the female side lower bottom enters into inner recess two, and the male side lower bottom enters into inner recess four.

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