Node structure for connecting prefabricated cladding panels

Abstract

The utility model relates to the technical field of building construction, and particularly discloses a node structure for connecting prefabricated cladding panels, which is used for connecting an upper-layer prefabricated cladding panel, a lower-layer prefabricated cladding panel and a steel beam. The lower-layer prefabricated cladding panel and the upper-layer prefabricated cladding panel are arranged on the same side; comprising a first connecting piece, a second connecting piece, a first embedded part and a second embedded part, wherein the first connecting piece is mounted on a steel beam and connected with a lower-layer prefabricated cladding panel; the second connecting piece is mounted on the steel beam and connected with an upper-layer prefabricated cladding panel; the first embedded part is embedded in the lower-layer prefabricated cladding panel, and one end of the first embedded part is connected with the first connecting piece; the embedded steel bars are embedded in the lower-layer prefabricated cladding panel, one ends of the embedded steel bars extend out of the lower-layer prefabricated cladding panel, and the embedded steel bars are located in the floor slab above the steel beam. According to the utility model, the lower-layer prefabricated cladding panel can be temporarily fixed, the upper-layer prefabricated cladding panel can be temporarily fixed without additionally arranging an inclined strut, the construction procedures are reduced, and the construction cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, and more particularly to a node structure for connecting prefabricated exterior panels. Background Art

[0002] As a non-load-bearing external support structure, prefabricated cladding offers advantages such as factory production, controlled quality, prefabricated construction, and rapid construction. It is widely used in prefabricated concrete or steel structures. Prefabricated cladding can be categorized as either point-supported or line-supported, depending on the support method.

[0003] Among them, point support refers to a flexible support method in which the external wall panel and the main structure transfer loads through no less than two independent support points, and the displacement of the support points enables the external wall panel to adapt to the deformation capacity of the main structure; point support mainly connects the prefabricated external panel to the main structure through bolts, and diagonal bracing can be avoided during construction. However, after the construction is completed, the connecting parts will leak out of the main structure. In addition, there will be a large gap between the prefabricated external panel and the main structure, and the waterproof and fireproof performance is poor, which requires special treatment.

[0004] Line supports are a method of connecting the edges of external wall panels to the main structure through cast-in-place sections. This connection eliminates gaps between the panels and the main structure, eliminating the need for sealing materials and providing excellent waterproofing and fireproofing. Leakage of upper connectors minimizes the impact on building functionality, but diagonal bracing is often required during installation. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a node structure for connecting prefabricated external panels;

[0006] The solution adopted by the utility model to solve the technical problem is:

[0007] A node structure for connecting prefabricated external panels, used for connecting an upper prefabricated external panel, a lower prefabricated external panel and a steel beam; the lower prefabricated external panel is arranged on the same side as the upper prefabricated external panel; it includes a first connector installed on the steel beam and connected to the lower prefabricated external panel, a second connector installed on the steel beam and connected to the upper prefabricated external panel, an embedded part first embedded in the lower prefabricated external panel and connected to the first connector at one end, an embedded part second embedded in the lower prefabricated external panel and connected to the second connector at one end, and embedded steel bars embedded in the lower prefabricated external panel and with one end extending out of the lower prefabricated external panel, wherein the embedded steel bars are located in the floor slab above the steel beam.

[0008] In some possible embodiments, the present invention further includes a notch 1 arranged at the top of the lower prefabricated external panel, and a notch 2 arranged at the bottom of the upper prefabricated external panel and cooperating with the notch 1 to form a U-shaped groove, one end of the embedded part 2 extends into the U-shaped groove and is connected to the connecting part 2 installed in the U-shaped groove; the opening of the U-shaped groove is arranged on the side close to the steel beam and is located above the connecting part 1.

[0009] In some possible implementations, the U-shaped groove is filled with concrete or cement mortar, and the side surface of the concrete or cement mortar close to the steel beam is coplanar with the upper prefabricated exterior panel.

[0010] In some possible embodiments, the structure of the connecting member 1 and the connecting member 2 is the same, including an L-shaped L-shaped plate; the L-shaped plate includes a vertical plate connected to the embedded member 1 or the embedded member 2, and a bottom plate connected to the bottom of the vertical plate and installed on the steel beam.

[0011] In some possible implementations, the second connecting member further includes an adjustment plate disposed between the bottom and the steel beam.

[0012] In some possible implementations, the distance between the top surface of the bottom plate in the second connector and the top surface of the steel beam is d, the thickness of the floor slab above the steel beam is D, and D>d.

[0013] In some possible embodiments, the embedded part one and the embedded part two have the same structure, including an embedded section, a threaded section connected to the embedded section at one end and connected to the connector one or the connector two at the other end, and a locking part for locking the threaded section and the connector one or the connector two.

[0014] In some possible implementations, a sealing material is further included to fill a gap formed by the upper prefabricated exterior panel and the lower prefabricated exterior panel on one side thereof.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The utility model realizes temporary fixation of the lower prefabricated external cladding plate by setting the embedded part and the connecting part, and realizes temporary fixation of the upper prefabricated external cladding plate without adding additional diagonal braces, thus reducing construction processes and reducing construction costs;

[0017] The utility model is used to connect the upper prefabricated external panels, the lower prefabricated external panels and the steel beams. There is no gap between the upper prefabricated external panels or the lower prefabricated external panels and the steel beams, and no flame retardant material is needed to fill them. The waterproof and fireproof performance is good.

[0018] The utility model provides a U-shaped groove and places the bottom plate of the second connecting plate in the floor concrete poured later, so that the entire node structure will not be exposed to the outside, thereby not affecting the building;

[0019] The utility model has a simple structure and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0022] Figure 3 This is a schematic diagram of the connection relationship between the connector 1 and the steel beam in the present invention;

[0023] Figure 4 This is a schematic diagram of the connection relationship between the steel beam and the second connector in the present invention;

[0024] Among them: 1. Embedded part 1; 2. Connecting part 1; 3. Embedded part 2; 4. Embedded part 2; 41. Vertical plate; 411. Through hole; 42. Bottom plate; 43. Adjustment plate; 5. Locking part; 6. Sealing material; 7. U-shaped groove; 10. Lower prefabricated external panel; 101. Embedded steel bars; 20. Upper prefabricated external panel; 30. Steel beam; 40. Floor slab. DETAILED DESCRIPTION

[0025] In this application, unless otherwise specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integration; they can refer to direct connections or indirect connections through an intermediary; they can refer to internal communication between two components or interactions between two components. The terms "first," "second," and similar terms mentioned in this application do not denote any order, quantity, or importance; they are simply used to distinguish between different components. Similarly, terms such as "a" or "an" do not indicate a quantitative limitation; rather, they indicate the presence of at least one. In the implementation of this application, "and / or" describes an association relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can mean: A exists alone, A and B exist simultaneously, or B exists alone. In the description of the embodiments of this application, unless otherwise specified, "plurality" means two or more. For example, "plurality" refers to two or more positioning posts. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0026] The utility model is described in detail below.

[0027] like Figures 1-4 As shown:

[0028] A node structure for connecting prefabricated external panels, used for connecting an upper prefabricated external panel 20, a lower prefabricated external panel 10, and a steel beam 30; wherein the lower prefabricated external panel 10 and the upper prefabricated external panel 20 are arranged on the same side;

[0029] The node structure includes a connector 2 installed on the steel beam 30 and connected to the lower prefabricated external panel 10, a connector 4 installed on the steel beam 30 and connected to the upper prefabricated external panel 20, an embedded part 1 embedded in the lower prefabricated external panel 10 and connected to the connector 2 at one end, an embedded part 3 embedded in the lower prefabricated external panel 10 and connected to the connector 4 at one end, and an embedded steel bar 101 embedded in the lower prefabricated external panel 10 and extending out of the lower prefabricated external panel 10 at one end; the embedded steel bar 101 is located in the floor slab 40 above the steel beam 30; the inner side surfaces of the upper prefabricated external panel 20 and the lower prefabricated external panel 10 are coplanar with the outer side surfaces of the steel beam 30.

[0030] During construction, first, the connector 1 2 and the connector 2 4 are installed on the steel beam 30 as required and fixedly connected; then, the lower prefabricated external panel 10 is installed, and the embedded component 1 is connected to the connector 1 2 to achieve temporary fixation of the lower prefabricated external panel 10; wherein, the embedded steel bar 101 is located above the steel beam 30 and located within the floor slab 40 formed by the later pouring; then, the upper prefabricated external panel 20 is installed, so that the embedded component 2 3 is connected to the connector 2 4; the upper prefabricated external panel 20 is supported by the lower prefabricated external panel 10, and because the embedded component 2 3 is connected to the connector 2 4, no other supporting structure is required to support the upper prefabricated external panel 20, thereby reducing the construction process;

[0031] After the installation of the upper prefabricated external panel 20 and the lower prefabricated external panel 10 is completed, the concrete construction of the floor slab 40 can be carried out; during construction, one end of the embedded steel bar 101 of the lower prefabricated external panel 10 is extended into the concrete of the floor slab 40 to achieve permanent fixation of the lower prefabricated external panel 10 and the floor slab 40. The length of the embedded steel bar 101 extended into the floor slab 40 can meet the design requirements.

[0032] In some possible implementations, in order to facilitate the installation of the second connector 4 and enable it to be connected to the embedded part 1, thereby achieving the connection and fixation of the upper prefabricated exterior panel 20 and the steel beam 30;

[0033] It also includes a notch 1 arranged at the top of the lower prefabricated external panel 10, and a notch 2 arranged at the bottom of the upper prefabricated external panel 20 and cooperating with the notch 1 to form a U-shaped groove 7. One end of the embedded part 2 3 extends into the U-shaped groove 7 and is connected to the connecting part 2 4 installed in the U-shaped groove 7; the opening of the U-shaped groove 7 is arranged on the side close to the steel beam 30 and is located above the connecting part 1 2.

[0034] The cross-sections of the first and second slots are both L-shaped structures. The first and second slots are connected to each other to form a U-shaped slot 7 with a U-shaped cross-section. One end of the second embedded part 3 will be located in the second slot and connected to the second connector 4 located in the U-shaped slot 7. The bottom of the first slot is used to support the bottom of the second connector 4. The second connector 4 will pass through the opening of the U-shaped slot 7, and the bottom of the part passing through the U-shaped slot 7 will be installed on the steel beam 30 and fixedly connected to the steel beam 30.

[0035] The U-shaped groove 7 is arranged above the connecting member 1 2 to avoid interference between the connecting member 1 2 and the connecting member 2 4 during installation.

[0036] In some possible embodiments, in order to enable the connection point between the connecting part 2 4 and the embedded part 2 3 to be closed, the U-shaped groove 7 is filled with concrete or cement mortar, and the side surface of the concrete or cement mortar close to the steel beam 30 is coplanar with the upper prefabricated external panel 20.

[0037] In some possible embodiments, the structure of the connecting member 1 2 and the connecting member 2 4 is the same, including an L-shaped L-shaped plate; the L-shaped plate includes a vertical plate 41 connected to the embedded part 1 or the embedded part 2 3, and a bottom plate 42 connected to the bottom of the vertical plate 41 and installed on the steel beam 30.

[0038] Specifically, the vertical plate 41 is used to achieve connection with the embedded part 1 or the embedded part 2 3, and the bottom plate 42 will serve as a support to connect and fix with the steel beam 30; the outer side surface of the vertical plate 41 in the connecting part 1 2 is coplanar with the outer side surface of the steel beam 30.

[0039] In some possible implementations, the second connecting member 4 further includes an adjustment plate 43 disposed between the bottom and the steel beam 30;

[0040] Due to the different thicknesses of the floor slabs 40, the distance between the second connector 4 and the steel beam 30 can be adjusted by setting the adjustment plate 43; before the second connector 4 is connected to the embedded part 2 3, the adjustment plate 43 will be welded and fixed to the steel beam 30, and the second connector 4 will be welded and fixed to the adjustment plate 43; the top of the adjustment plate 43 is coplanar with the inner side surface of the notch 1, thereby forming a support surface for supporting the bottom plate 42; the specific adjustment plate 43 can be a groove-shaped structure, of course, it can also be a plate-shaped structure, which can be set according to needs.

[0041] In some possible implementations, the distance between the top surface of the bottom plate 42 of the second connector 4 and the top surface of the steel beam 30 is d, the thickness of the floor slab 40 above the steel beam 30 is D, and D>d;

[0042] With this arrangement, after the concrete of the floor slab 40 is poured, the bottom plates 42 of all the connectors 2 4 will be located in the concrete of the floor slab 40 and form a whole, thereby achieving the connection and fixation of the upper prefabricated external panel 20; since the connector 2 4 is located above the connector 1 2, when the bottom of the connector 2 4 is sealed by the concrete of the floor slab 40, the connector 1 2 will also be sealed by the concrete of the floor slab 40; combined with the concrete or cement mortar filled in the U-shaped groove 7, the connector 1 2, the connector 2 4, and the embedded part 1 will not leak out.

[0043] In some possible embodiments, in order to effectively achieve the connection between the embedded part 1 and the connecting part 2, and the embedded part 2 3 and the connecting part 2 4; the embedded part 1 and the embedded part 2 3 have the same structure, including an embedded section embedded in the lower prefabricated external panel 10 or the upper prefabricated external panel 20, a threaded section connected to the embedded section at one end and connected to the connecting part 1 2 or the connecting part 2 4 at the other end, and a locking member 5 for locking the threaded section and the connecting part 1 2 or the connecting part 2 4;

[0044] Furthermore, the locking member 5 includes a pad and a nut; a through hole 411 for the threaded segment to pass through is provided on the vertical plate 41, one end of the threaded segment passes through the through hole 411, the pad is put on the threaded segment, and the nut is installed, thereby realizing the connection and fixation between the vertical plate 41 and the threaded segment.

[0045] In some possible embodiments, a gap is formed on one side where the upper prefabricated external panel 20 and the lower prefabricated external panel 10 are close to each other. The gap is located above the floor slab 40 and is filled with sealing material 6. The sealing material 6 is existing technology and will not be described in detail here.

[0046] The present invention is not limited to the aforementioned specific embodiments, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.

Claims

1. A node structure for connecting prefabricated external panels, used for connecting upper prefabricated external panels, lower prefabricated external panels and steel beams; the lower prefabricated external panels and the upper prefabricated external panels are arranged on the same side; characterized in that: It includes a connecting part 1 installed on the steel beam and connected to the lower prefabricated external panel, a connecting part 2 installed on the steel beam and connected to the upper prefabricated external panel, an embedded part 1 embedded in the lower prefabricated external panel and connected to the connecting part 1 at one end, an embedded part 2 embedded in the lower prefabricated external panel and connected to the connecting part 2 at one end, and embedded steel bars embedded in the lower prefabricated external panel and with one end extending out of the lower prefabricated external panel, wherein the embedded steel bars are located in the floor slab above the steel beam.

2. The node structure for connecting prefabricated external panels according to claim 1, characterized in that: It also includes a notch 1 arranged at the top of the lower prefabricated external panel, and a notch 2 arranged at the bottom of the upper prefabricated external panel and cooperating with the notch 1 to form a U-shaped groove. One end of the embedded part 2 extends into the U-shaped groove and is connected to the connecting part 2 installed in the U-shaped groove; the opening of the U-shaped groove is arranged on the side close to the steel beam and is located above the connecting part 1.

3. The node structure for connecting prefabricated external panels according to claim 2, characterized in that: The U-shaped groove is filled with concrete or cement mortar, and the side surface of the concrete or cement mortar close to the steel beam is coplanar with the upper prefabricated external panel.

4. The node structure for connecting prefabricated external panels according to claim 1, characterized in that: The structure of the connecting member 1 is the same as that of the connecting member 2, including an L-shaped L-shaped plate; the L-shaped plate includes a vertical plate connected to the embedded member 1 or the embedded member 2, and a bottom plate connected to the bottom of the vertical plate and installed on the steel beam.

5. The node structure for connecting prefabricated external panels according to claim 4, characterized in that: The second connecting member also includes an adjustment plate arranged between the bottom and the steel beam.

6. The node structure for connecting prefabricated external panels according to claim 1, characterized in that: The distance between the top surface of the bottom plate in the second connecting member and the top surface of the steel beam is d, the thickness of the floor slab above the steel beam is D, and D>d.

7. The node structure for connecting prefabricated exterior panels according to claim 1, characterized in that: The embedded part 1 and the embedded part 2 have the same structure, including an embedded section, a threaded section connected to the embedded section at one end and connected to the connecting part 1 or the connecting part 2 at the other end, and a locking part for locking the threaded section and the connecting part 1 or the connecting part 2.

8. The node structure for connecting prefabricated exterior panels according to claim 1, characterized in that: It also includes a sealing material filled in a gap formed by the upper prefabricated external cladding board and the lower prefabricated external cladding board on one side close to each other.

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