Sandwich type building component and fabricated building
By using the interlocking design of the outer structure and the core panel with tenons and grooves, combined with the edge connection units and vertical connection structures, the connection reliability and structural performance issues of the sandwich wall panel are solved, thereby improving the reliability and lifespan of the building components.
Patent Information
- Application Number
- CN202520351019.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-03
AI Technical Summary
The reliability of existing sandwich wall panels is not easy to guarantee, and interlayer bonding failure is prone to occur, resulting in weak structural load-bearing capacity.
The outer structure adopts a tenon-and-mortise interlocking design with the core board, combined with the filling of hollow holes and hollow grooves. The outer structure is prefabricated and interlocks with the edge of the core board. The setting of edge connection units and vertical connection structures improves connection reliability and structural performance.
It improves the structural performance and bonding of building components, enhances their reliability and lifespan, and ensures construction quality.
Smart Images

Figure CN223867521U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of building engineering technology, specifically relating to a sandwich-type building component and a prefabricated building using the sandwich-type building component. Background Technology
[0002] Sandwich wall panels are a common type of wall panel in prefabricated buildings. They consist of inner leaf panels, outer leaf panels, and an intermediate layer sandwiched between them. The intermediate layer can be a functional panel such as an insulation board or fireproof board. The inner leaf panels, or both the inner and outer leaf panels together, serve as the load-bearing structural layer of the wall panel. This type of sandwich wall panel requires the inner leaf panels, intermediate layer, and outer leaf panels to be assembled and connected together. However, not only is the reliability of the connection between the three components difficult to guarantee, leading to interlayer bonding failure during later use, but the structural load-bearing performance of this type of wall panel is also weakened compared to conventional one-piece molded wall panels. Utility Model Content
[0003] In view of the technical defects and drawbacks existing in the prior art, the present invention provides a sandwich-type building component that overcomes or at least partially solves the above problems, as well as a prefabricated building using the sandwich-type building component.
[0004] The sandwich-style building component includes an outer structure and a core panel. The outer structure is a precast integral body that encloses the core panel. At least a portion of the core panel has interlocking edges with protruding tenons. The outer end of the tenon is flush with or extends beyond the corresponding side face of the outer structure.
[0005] Preferably, at least a portion of the interlocking edge has a plurality of tenons spaced apart along its length.
[0006] Preferably, at least one perforated hole is formed on the core board, penetrating both sides of the core board, and the structural material fills the perforated hole during the prefabrication of the outer structure; and / or, at least one perforated groove is recessed on at least one surface of the core board, and the structural material fills the perforated groove during the prefabrication of the outer structure.
[0007] Preferably, the outer structure has multiple sets of edge connection units arranged from top to bottom on its side end face for connecting with other building components.
[0008] Preferably, the edge connection unit includes an edge connection plate with its surface parallel to the corresponding side end face and an installation steel bar fixedly connected to the edge connection plate. The edge connection plate is a metal plate suitable for welding and its outer surface is exposed from the corresponding side end face. The installation steel bar is embedded in the outer structure.
[0009] Preferably, the edge connection unit includes two edge connection plates disposed on both sides of the core plate, and the mounting steel bars are fixedly connected to the corresponding two edge connection plates respectively.
[0010] Preferably, the top and / or bottom end faces of the outer structure are provided with vertical connection structures for connecting with other building components or structural layers.
[0011] Preferably, the vertical connection structure includes multiple sets of vertical connection units arranged sequentially along the length direction of the corresponding end faces. Each set of vertical connection units includes at least one vertical connector, which is a vertical screw or a vertical threaded sleeve pre-embedded in the outer structure.
[0012] Preferably, the core board is an insulation board and / or a fireproof board.
[0013] The aforementioned prefabricated building includes multiple wall panel components and multiple column components, with at least some of the wall panel components and / or at least some of the column components employing the sandwich-style building components described above.
[0014] This utility model has the following beneficial effects:
[0015] In this invention, the outer structure is a prefabricated integral body that interlocks with the tenon on the edge of the core board. This not only improves the structural performance of the building components but also effectively enhances the bonding between the outer structure and the core board, thereby improving the reliability and service life of the building components. Attached Figure Description
[0016] Figure 1 A schematic diagram illustrating the combination of the outer structure and the core board provided in an embodiment of this utility model;
[0017] Figure 2 A schematic diagram of the core board provided in an embodiment of this utility model;
[0018] Figure 3 This is a structural schematic diagram of a sandwich-type wall panel provided in an embodiment of the present utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the sandwich-type column provided in an embodiment of the present utility model;
[0020] Figure 5 This is a schematic diagram of the structure of the edge connection unit provided in an embodiment of the present utility model;
[0021] Figure 6 This is a schematic diagram of the structure of the threaded adjustment component provided in an embodiment of the present utility model. Detailed Implementation
[0022] 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 a part of the present utility model, and not all of 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 effort are within the protection scope of the present utility model.
[0023] Example 1
[0024] like Figures 1-4 As shown, this utility model embodiment provides a sandwich-type building component, including an outer structure 1 and a core board 2. The outer structure 1 is an integral precast body and encloses the core board 2 inside the body. At least a portion of the edge of the core board 2 is an interlocking edge with a protruding tenon 21. The outer end of the tenon 21 is flush with the corresponding side end face of the outer structure 1 or extends beyond the corresponding side end face of the outer structure 1.
[0025] The core board 2 mentioned above is a precast board, which is preferably an insulation board and / or a fireproof board. For example, an insulation board with fireproof function can be used, or a fireproof board with insulation function can be used, or a structure of insulation board and fireproof board can be used together.
[0026] The aforementioned outer structure 1 is preferably a concrete structure, and more preferably a reinforced concrete structure, to ensure the structural strength and load-bearing performance of the building components.
[0027] The aforementioned building components can be wall panel components 100 or column components 200; when the building component is a column component 200, it can be an L-shaped column, a T-shaped column, a cross-shaped column, etc., and the aforementioned core panel 2 corresponds to an L-shaped panel, a T-shaped panel, a cross-shaped panel, etc.
[0028] The core board 2 is encased within the outer structure 1, meaning that structural material is present on both sides of the core board 2. When prefabricating the above-mentioned building components, the core board 2 is provided first, placed inside a template, and then the structural material is poured into the template. This allows the outer structure 1 to be prefabricated as a single unit, forming a structure in which the outer structure 1 encases the core board 2.
[0029] In one embodiment, such as Figure 2 The core board 2 has at least one perforated hole 22 extending through both sides of the core board 2. When the outer structure 1 is prefabricated, the structural material also fills the perforated hole 22; and / or, at least one perforated groove is recessed on at least one surface of the core board 2. When the outer structure 1 is prefabricated, the structural material also fills the perforated groove. This structure can effectively improve the bonding between the core board 2 and the outer structure 1.
[0030] In this embodiment, the outer structure 1 is a prefabricated integral body that interlocks with the tenon 21 on the edge of the core board 2. This not only improves the structural performance of the building components, but also effectively improves the bonding between the outer structure 1 and the core board 2, thereby improving the application reliability and service life of the building components.
[0031] Preferably, such as Figure 2 All edges of the core board 2 are interlocking edges.
[0032] Furthermore, such as Figures 1-4 At least some of the interlocking edges are provided with a plurality of tenons 21 spaced apart along their length, which further improves the bonding between the core board 2 and the outer structure 1.
[0033] like Figure 3 and Figure 4 The outer structure 1 has multiple sets of edge connection units arranged from top to bottom on its side end face for connecting with other building components. When the sandwich-type building component is a wall panel component 100, it can be connected with other wall panels or columns. When the sandwich-type building component is a column component 200, it is generally connected with other wall panels.
[0034] In one embodiment, such as Figures 3-5 The edge connection unit includes an edge connection plate 31 with its surface parallel to the corresponding side end face and an installation steel bar 32 fixedly connected to the edge connection plate 31. The edge connection plate 31 is a metal plate suitable for welding and its outer surface is exposed from the corresponding side end face. The installation steel bar 32 is embedded in the outer structure 1.
[0035] The outer surface of the edge connecting plate 31 can be flush with the corresponding side end face, or it can be located outside the side end face, meaning that the edge connecting plate 31 partially protrudes from the corresponding side end face, which facilitates welding operations. When the side end face is provided with a tenon 21 and the tenon 21 extends beyond the side end face, the extension length of the tenon 21 should obviously not exceed the extension length of the edge connecting plate 31.
[0036] Preferably, the edge of the edge connecting plate 31 is flush with the edge of the corresponding side end face, which makes welding operations easier.
[0037] Preferably, such as Figures 3-5 The edge connection unit includes two edge connection plates 31 disposed on both sides of the core plate 2. The installation steel bars 32 are fixedly connected to the corresponding two edge connection plates 31, which can further improve the connection reliability between the sandwich-type building components and other building components.
[0038] When the outer structure 1 is a reinforced concrete structure, preferably, the aforementioned installation reinforcing bar 32 is connected to the reinforcing steel structure in the outer structure 1. The installation reinforcing bar 32 and the reinforcing steel structure can be lapped or welded. Preferably, as shown... Figure 5 The installation reinforcement 32 includes a first reinforcement 321 fixedly connected at one end to the inner side surface of the edge connecting plate 31, and a second reinforcement 322 perpendicularly connected to the other end of the first reinforcement 321. The first reinforcement 321 and / or the second reinforcement 322 are fixedly connected to the steel structure. This method can effectively improve the connection reliability between the installation reinforcement 32 and the steel structure, as well as improve the anchoring effect of the installation reinforcement 32 in the outer structure 1, thereby ensuring the installation reliability of the edge connecting plate 31. When the edge connecting unit includes two edge connecting plates 31, the first reinforcement 321 and the second reinforcement 322 are matched and set to two. The installation reinforcement 32 may further include a third reinforcement 323, which is connected in series with each edge connecting plate 31 in the edge connecting unit. Preferably, the first reinforcement 321 and the second reinforcement 322 are integrally formed; when there is a third reinforcement 323, the first reinforcement 321, the second reinforcement 322 and the third reinforcement 323 are integrally formed.
[0039] In particular, when multiple tenons 21 are sequentially spaced along their own length on the interlocking edge, the aforementioned edge connection unit can be easily installed between adjacent tenons 21.
[0040] Preferably, the top and / or bottom faces of the outer structure 1 are provided with vertical connection structures for connecting with other building components or structural layers. When the sandwich-type building component is a wall panel component 100, it can be vertically connected with other wall panels or structural layers; when the sandwich-type building component is a column component 200, it can be vertically connected with other column components 200 or structural layers. The structural layer can be a foundation structural layer or a floor slab, etc.
[0041] In one embodiment, such as Figure 3 and Figure 4 The vertical connection structure includes multiple sets of vertical connection units arranged sequentially along the length direction of the corresponding end face. Each set of vertical connection units includes at least one vertical connector 41. The vertical connector 41 is a vertical screw or a vertical threaded sleeve pre-embedded in the outer structure 1.
[0042] When the outer structure 1 is a reinforced concrete structure, the aforementioned vertical connector 41 can be welded or tied together with the steel reinforcement structure in the outer structure 1.
[0043] By setting the vertical connector 41, the connection requirements are met, and the vertical gaps between wall panels, between columns, between wall panels and structural layers, and between columns and structural layers can be adjusted due to the use of vertical screws / vertical threaded sleeves, thus ensuring the construction quality of prefabricated buildings.
[0044] Example 2
[0045] This utility model embodiment provides a prefabricated building, including multiple wall panel components 100 and multiple column components 200, wherein at least some of the wall panel components 100 and / or at least some of the column components 200 adopt the sandwich-type building components provided in the above embodiment one.
[0046] As mentioned above, when wall panels are connected laterally to each other or to columns, it is preferable to connect them through the edge connection units of the two.
[0047] As described in Embodiment 1, when two wall panel members 100 are vertically adjacent / two column members 200 are vertically adjacent, or when the wall panel member 100 is connected to the structural layer / the column member 200 is connected to the structural layer, preferably, as shown in Embodiment 1. Figure 3 , Figure 4 as well as Figure 6 The vertically opposite connecting parts 41 are connected by threaded adjusting parts, and the vertical gaps between two vertically adjacent precast components or between a precast component and a structural layer are filled with cast-in-place concrete. When the vertical connecting part 41 is a vertical threaded sleeve, the threaded adjusting part may optionally include an adapter box 42 and two adjusting screws respectively screwed to the upper and lower ends of the adapter box 42, and the two adjusting screws are respectively screwed to two vertical threaded sleeves; when the vertical connecting part 41 is a vertical screw, the threaded adjusting part may optionally be a double-threaded sleeve, and the double-threaded sleeve is respectively screwed to two vertical screws.
[0048] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A sandwich-type building component, characterized in that, It includes an outer structure and a core board. The outer structure is a pre-formed integral body that encloses the core board inside. At least a portion of the edge of the core board is an interlocking edge with a tenon. The outer end of the tenon is flush with or extends beyond the corresponding side end face of the outer structure.
2. The sandwich-type building component according to claim 1, characterized in that, At least a portion of the interlocking edge has a plurality of tenons spaced apart along its length.
3. The sandwich-type building component according to claim 1, characterized in that, The core board has at least one through hole extending through both sides of the core board, and the outer structure is prefabricated by filling the through hole with structural material; and / or, at least one through groove is recessed on at least one surface of the core board, and the outer structure is prefabricated by filling the through groove with structural material.
4. The sandwich-type building component according to claim 1, characterized in that, Multiple sets of edge connection units for connecting with building components are arranged sequentially from top to bottom on the side end face of the outer structure.
5. The sandwich-type building component according to claim 4, characterized in that, The edge connection unit includes an edge connection plate with its surface parallel to the corresponding side end face and an installation steel bar fixedly connected to the edge connection plate. The edge connection plate is a metal plate suitable for welding and its outer surface is exposed from the corresponding side end face. The installation steel bar is embedded in the outer structure.
6. The sandwich-type building component according to claim 5, characterized in that, The edge connection unit includes two edge connection plates disposed on both sides of the core plate, and the mounting steel bars are fixedly connected to the corresponding two edge connection plates respectively.
7. The sandwich-type building component according to claim 1, characterized in that, The top and / or bottom surfaces of the outer structure are provided with vertical connection structures for connecting to building components or structural layers.
8. The sandwich-type building component according to claim 7, characterized in that, The vertical connection structure includes multiple sets of vertical connection units arranged sequentially along the length direction of the corresponding end faces. Each set of vertical connection units includes at least one vertical connector, which is a vertical screw or a vertical threaded sleeve pre-embedded in the outer structure.
9. The sandwich-type building component according to claim 1, characterized in that, The core board is an insulation board and / or a fireproof board.
10. A prefabricated building, comprising multiple wall panel components and multiple column components, characterized in that: At least some of the wall panel components and / or at least some of the column components adopt the sandwich-type building components as described in any one of claims 1 to 9.