Metal rock wool sandwich board outer wall connecting joint

By using keel structure and self-tapping screws at the exterior wall connection of metal rock wool sandwich panels, the problem of easy layering of polyurethane edge seals is solved, and the connection node with high stability and good sealing is achieved, ensuring the insulation performance of the wall structure.

CN222990944UActive Publication Date: 2025-06-17中建五局第三建设有限公司
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Patent Information

Application Number
CN202421980678.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-06-17
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

The existing metal rock wool sandwich panels use polyurethane edge sealing at the exterior wall connections, which are easy to delaminate under external forces, affecting thermal insulation performance and sealing properties.

Method used

The keel structure and multiple metal rock wool sandwich plates are used to fix the metal rock wool sandwich plates on the keel structure through self-tapping screws to ensure the stability and sealing of the connecting nodes.

Benefits of technology

The high stability and good sealing of the metal rock wool sandwich panel exterior wall connection nodes are achieved, ensuring the insulation performance of the wall structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of sandwich external wall panels, and discloses a metal rock wool sandwich panel external wall connecting node which comprises a keel structure, a plurality of metal rock wool sandwich panels spliced in sequence and a plurality of self-tapping screws. The keel structure is arranged on the wall body structure, the metal rock wool sandwich panels which are sequentially spliced are arranged on the keel structure in an overlapped mode, a mounting cavity is formed in the metal panel in a surrounding mode, the mounting cavity is filled with rock wool, a first connecting part is arranged at one end of the metal panel, a second connecting part is arranged at the other end of the metal panel, and a plurality of grooves are formed in the first connecting part. A plurality of protrusions are arranged on the second connecting part and extend into the grooves in a one-to-one correspondence mode. A self-tapping screw is arranged on the second connecting part of each metal rock wool sandwich plate in a penetrating manner, and the metal rock wool sandwich plates are fixed on the keel structure through the self-tapping screws. The structure is easy and convenient to operate, the connecting joints have high stability, and the heat preservation performance of the wall structure can be ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of sandwich exterior wall panels, in particular to an exterior wall connection node of a metal rock wool sandwich panel. Background Art

[0002] A metal rock wool sandwich panel refers to a panel with two layers of metal thin plates on the upper and lower sides and a heat-insulating material with a certain rigidity, such as rock wool, rigid foam plastic, etc., as the core material. It has good fire prevention, heat preservation and heat insulation properties and is used on the outer side of the wall structure to achieve the effect of heat preservation and heat insulation.

[0003] In the existing metal rock wool sandwich panels, in order to ensure the firm connection of the exterior wall panels, polyurethane is usually used for edge sealing at the connection. However, the polyurethane edge sealing and the rock wool core material are easily extruded against each other under external forces, resulting in delamination, which affects the heat preservation performance of the wall structure and the sealing performance at the connection node. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an exterior wall connection node of a metal rock wool sandwich panel, which has good sealing performance at the connection node and can ensure the heat preservation performance of the wall structure.

[0005] To achieve the above object, the utility model adopts the following technical solutions:

[0006] Provide an exterior wall connection node of a metal rock wool sandwich panel, including:

[0007] A keel structure configured to be arranged on a wall structure;

[0008] A plurality of successively spliced metal rock wool sandwich panels stacked on the keel structure; the metal rock wool sandwich panel includes a metal panel and rock wool. The metal panel is provided with an installation cavity, and the installation cavity is filled with the rock wool; one end of the metal panel is provided with a first connection portion, and the other end is provided with a second connection portion. A plurality of grooves are provided on the first connection portion, and a plurality of protrusions are provided on the second connection portion. The plurality of protrusions can correspondingly extend into the plurality of grooves one by one;

[0009] A plurality of self-tapping screws corresponding to the plurality of metal rock wool sandwich panels one by one and successively passing through the second connection portion and the keel structure.

[0010] As an optional solution of the exterior wall connection node of the metal rock wool sandwich panel, a gasket is sleeved on each self-tapping screw, and the gasket abuts against the second connection portion.

[0011] As an optional solution of the exterior wall connection node of the metal rock wool sandwich panel, a shielding portion is provided on the first connection portion, and a notch for avoiding the shielding portion is provided on the second connection portion; the shielding portion can shield the self-tapping screw.

[0012] As an alternative solution for the external wall connection node of the metal rock wool sandwich panel, a sealant is provided between the shielding portion and the notch.

[0013] As an alternative solution for the external wall connection node of the metal rock wool sandwich panel, the keel structure includes:

[0014] A main keel, extending in the vertical direction and connected to the wall structure;

[0015] A secondary keel, extending in the horizontal direction, arranged on one side of the main keel, and the self-tapping screw sequentially passes through the second connection portion of the metal rock wool sandwich panel and the secondary keel;

[0016] A connecting component, arranged between the main keel and the secondary keel.

[0017] As an alternative solution for the external wall connection node of the metal rock wool sandwich panel, the connecting component includes:

[0018] A first connecting angle steel, including a first plate and a second plate connected by bending, and the first plate is stacked on the main keel;

[0019] A second connecting angle steel, including a third plate and a fourth plate connected by bending, the third plate is stacked on the second plate, and the fourth plate is connected to the secondary keel;

[0020] A fastener, passing through the second plate and the third plate.

[0021] As an alternative solution for the external wall connection node of the metal rock wool sandwich panel, the outer surfaces of the main keel, the secondary keel, the first connecting angle steel, the second connecting angle steel, and the fastener are all plated with a protective layer.

[0022] As an alternative solution for the external wall connection node of the metal rock wool sandwich panel, the metal rock wool sandwich panel further includes a reinforcing member, the reinforcing member is arranged in the installation cavity, and the rock wool fills the periphery of the reinforcing member.

[0023] As an alternative solution for the external wall connection node of the metal rock wool sandwich panel, both the first connection portion and the second connection portion are filled with the rock wool.

[0024] The beneficial effects of the present utility model:

[0025] The utility model provides an external wall connection node of a metal rock wool sandwich panel, which comprises a keel structure, a plurality of sequentially spliced metal rock wool sandwich panels and a plurality of self-tapping screws. The keel structure is arranged on a wall structure, and the plurality of sequentially spliced metal rock wool sandwich panels are stacked on the keel structure. The metal panel is surrounded by an installation cavity filled with rock wool. One end of the metal panel is provided with a first connection part, and the other end is provided with a second connection part. A plurality of grooves are arranged on the first connection part, and a plurality of protrusions are arranged on the second connection part. The plurality of protrusions extend into the plurality of grooves in a one-to-one correspondence. A self-tapping screw is penetrated through the second connection part of each metal rock wool sandwich panel, and the metal rock wool sandwich panel is fixed on the keel structure through the self-tapping screw. This structure is simple and convenient to operate, and the connection node has high stability, which can ensure the heat preservation performance of the wall structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic diagram of the external wall connection node of the metal rock wool sandwich panel provided by the embodiment of the specific implementation mode of the utility model;

[0027] Figure 2 is a structural diagram of the metal rock wool sandwich panel provided by the embodiment of the specific implementation mode of the utility model;

[0028] Figure 3 is Figure 1 a partial schematic diagram of the A-A section in

[0029] In the figure:

[0030] 1. Keel structure; 11. Main keel; 12. Secondary keel;

[0031] 13. Connection component;

[0032] 131. First connecting angle steel; 1311. First plate; 1312. Second plate;

[0033] 132. Second connecting angle steel; 1321. Third plate; 1322. Fourth plate;

[0034] 133. Fastener;

[0035] 2. Metal rock wool sandwich panel;

[0036] 21. Metal panel; 22. Rock wool;

[0037] 23. First connection part; 231. Groove; 232. Shielding part;

[0038] 24. Second connection part; 241. Protrusion;

[0039] 25. Reinforcing member;

[0040] 3. Self-tapping screw; 4. Gasket; 5. Sealant. Detailed implementation manners

[0041] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. Additionally, it should be noted that for the convenience of description, only the parts related to the present utility model are shown in the drawings, rather than all the structures.

[0042] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0043] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "above and to the upper side", and "on the upper surface" of the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "below and to the lower side", and "on the lower surface" of the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0044] In the description of this embodiment, the orientation or positional relationships such as "upper", "lower", "right", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meanings.

[0045] The technical solution of the present utility model will be further described below with reference to the accompanying drawings and through specific implementation manners.

[0046] As Figures 1 to 3As shown in the figure, this embodiment provides an external wall connection node of a metal rock wool sandwich panel, including a keel structure 1, a plurality of sequentially spliced metal rock wool sandwich panels 2, and a plurality of self-tapping screws 3. The keel structure 1 is arranged on the wall structure, and a plurality of sequentially spliced metal rock wool sandwich panels 2 are stacked on the keel structure 1. The metal panel 21 is surrounded by an installation cavity, and the installation cavity is filled with rock wool 22. One end of the metal panel 21 is provided with a first connection portion 23, and the other end is provided with a second connection portion 24. A plurality of grooves 231 are provided on the first connection portion 23, and a plurality of protrusions 241 are provided on the second connection portion 24. The plurality of protrusions 241 extend into the plurality of grooves 231 in a one-to-one correspondence. A self-tapping screw 3 is passed through the second connection portion 24 of each metal rock wool sandwich panel 2, and the metal rock wool sandwich panel 2 is fixed to the keel structure 1 through the self-tapping screw 3. This structure is simple and convenient to operate, and the connection node has high stability, which can ensure the heat preservation performance of the wall structure.

[0047] Exemplarily, in this embodiment, two grooves 231 are provided on the first connection portion 23, and two protrusions 241 are provided on the second connection portion 24.

[0048] Optionally, as Figure 1 shown, a gasket 4 is sleeved on each self-tapping screw 3, and the gasket 4 abuts against the second connection portion 24 to improve the stability of the self-tapping screw 3 passing through the second connection portion 24, thereby ensuring the stability of the metal rock wool sandwich panel 2 fixed to the keel structure 1.

[0049] Exemplarily, the gasket 4 is a rubber gasket, which has good cold and heat resistance and aging resistance.

[0050] Optionally, referring to Figure 1 and Figure 2 , a shielding portion 232 is provided on the first connection portion 23, and a notch for avoiding the shielding portion 232 is provided on the second connection portion 24. When two metal rock wool sandwich panels 2 are spliced together, the plurality of protrusions 241 extend into the plurality of grooves 231 in a one-to-one correspondence. At the same time, the shielding portion 232 and the notch are aligned with each other. The setting of the shielding portion 232 can not only shield the self-tapping screw 3 to prevent the self-tapping screw 3 from rusting due to rain erosion, but also shield the gap between the two spliced metal rock wool sandwich panels 2, improving the integrity and aesthetics of the outer layer of the wall.

[0051] Further, continuing to refer to Figure 1 , a sealant 5 is provided between the shielding portion 232 and the notch to further improve the splicing stability and sealing performance of the two metal rock wool sandwich panels 2.

[0052] Optionally, referring to Figure 2The metal rock wool sandwich panel 2 further includes a reinforcement member 25, which is disposed in the installation cavity, and the rock wool 22 is filled around the reinforcement member 25. The above arrangement can improve the supporting force of the metal rock wool sandwich panel 2 and prevent the metal rock wool sandwich panel 2 from deforming. Specifically, the cross-sectional shape of the reinforcement member 25 is V-shaped.

[0053] Optionally, the first connection portion 23 and the second connection portion 24 are filled with rock wool 22 to ensure the thermal insulation effect of the metal rock wool sandwich panel 2 .

[0054] Alternatively, if Figure 3 As shown, the keel structure 1 includes a main keel 11, a secondary keel 12 and a connecting assembly 13. The main keel 11 extends in the vertical direction and is connected to the wall structure. The secondary keel 12 extends in the horizontal direction and is arranged on one side of the main keel 11. The self-tapping screws 3 are sequentially inserted into the second connecting portion 24 of the metal rock wool sandwich panel 2 and the secondary keel 12. The connecting assembly 13 is arranged between the main keel 11 and the secondary keel 12, and is used to connect and fix the main keel 11 and the secondary keel 12.

[0055] Specifically, an embedded steel plate is provided on the wall structure, and anchor bolts pass through the main keel 11 and the embedded steel plate in sequence to connect the main keel 11 to the wall structure.

[0056] Further, continue to refer to Figure 3 The connection assembly 13 includes a first connection angle steel 131, a second connection angle steel 132 and a fastener 133. The first connection angle steel 131 includes a first plate 1311 and a second plate 1312 connected by bending, and the second connection angle steel 132 includes a third plate 1321 and a fourth plate 1322 connected by bending. The first plate 1311 is stacked on the main keel 11, the third plate 1321 is stacked on the second plate 1312, and the fourth plate 1322 is connected to the secondary keel 12. The fastener 133 is passed through the second plate 1312 and the third plate 1321 to achieve the fixation of the first connection angle steel 131 and the second connection angle steel 132, thereby connecting the secondary keel 12 to the main keel 11.

[0057] Specifically, the first plate 1311 and the main keel 11 as well as the fourth plate 1322 and the secondary keel 12 are fixed by welding.

[0058] Exemplarily, the fasteners 133 are bolts and nuts commonly used in the art.

[0059] Furthermore, the outer surfaces of the main keel 11 , the secondary keel 12 , the first connecting angle steel 131 , the second connecting angle steel 132 and the fastener 133 are all plated with a protective layer to improve the anti-corrosion performance of each component.

[0060] Specifically, in this embodiment, the main keel 11 is a galvanized square pipe with a size of 80*120*6 thick, the secondary keel 12 is a galvanized square pipe with a size of 60*120*5 thick, the first connecting angle steel 131 and the second connecting angle steel 132 are both galvanized angle steels L60*5-120, and the fastener 133 is a galvanized bolt M10*40. The self-tapping screw 3 is M5.5, and the spacing between two self-tapping screws 500 in the vertical direction is 500 mm.

[0061] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limiting the implementation manners of the present invention. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A metal rock wool sandwich panel exterior wall connection node, characterized in that: include: A keel structure (1) is configured to be arranged on a wall structure; A plurality of metal rock wool sandwich panels (2) which are sequentially spliced ​​are stacked on the keel structure (1); the metal rock wool sandwich panels (2) comprise a metal panel (21) and rock wool (22); the metal panel (21) is provided with an installation cavity surrounding the installation cavity, and the rock wool (22) is filled in the installation cavity; a first connecting portion (23) is provided at one end of the metal panel (21), and a second connecting portion (24) is provided at the other end; a plurality of grooves (231) are provided on the first connecting portion (23), and a plurality of protrusions (241) are provided on the second connecting portion (24); the plurality of protrusions (241) can extend into the plurality of grooves (231) in a one-to-one correspondence; A plurality of self-tapping screws (3) correspond one-to-one to the plurality of metal rock wool sandwich panels (2), and are sequentially penetrated through the second connecting portion (24) and the keel structure (1).

2. The metal rock wool sandwich panel exterior wall connection node according to claim 1, characterized in that: A gasket (4) is sleeved on each of the self-tapping screws (3), and the gasket (4) abuts against the second connecting portion (24).

3. The metal rock wool sandwich panel exterior wall connection node according to claim 1, characterized in that: The first connecting portion (23) is provided with a shielding portion (232), and the second connecting portion (24) is provided with a notch for avoiding the shielding portion (232); the shielding portion (232) is capable of shielding the self-tapping screw (3).

4. The metal rock wool sandwich panel exterior wall connection node according to claim 3, characterized in that: A sealant (5) is provided between the shielding portion (232) and the notch.

5. The metal rock wool sandwich panel exterior wall connection node according to claim 1, characterized in that: The keel structure (1) comprises: A main keel (11) extending in a vertical direction and connected to the wall structure; A secondary keel (12) extends in a horizontal direction and is arranged on one side of the main keel (11); the self-tapping screws (3) are sequentially passed through the second connecting portion (24) of the metal rock wool sandwich panel (2) and the secondary keel (12); A connecting component (13) is arranged between the main keel (11) and the secondary keel (12).

6. The metal rock wool sandwich panel exterior wall connection node according to claim 5, characterized in that: The connecting component (13) comprises: A first connecting angle steel (131), comprising a first plate (1311) and a second plate (1312) connected by bending, wherein the first plate (1311) is stacked on the main keel (11); The second connecting angle steel (132) comprises a third plate (1321) and a fourth plate (1322) connected by bending, wherein the third plate (1321) is stacked on the second plate (1312), and the fourth plate (1322) is connected to the secondary keel (12); The fastener (133) is inserted through the second plate (1312) and the third plate (1321).

7. The metal rock wool sandwich panel exterior wall connection node according to claim 6, characterized in that: The outer surfaces of the main keel (11), the secondary keel (12), the first connecting angle steel (131), the second connecting angle steel (132) and the fastener (133) are all plated with a protective layer.

8. The metal rock wool sandwich panel exterior wall connection node according to any one of claims 1 to 7, characterized in that: The metal rock wool sandwich panel (2) further comprises a reinforcement member (25), wherein the reinforcement member (25) is arranged in the installation cavity, and the rock wool (22) is filled around the reinforcement member (25).

9. The metal rock wool sandwich panel exterior wall connection node according to any one of claims 1 to 7, characterized in that: The first connecting portion (23) and the second connecting portion (24) are both filled with the rock wool (22).