Connecting structure of prefabricated external wall panel and floor slab joint integrated with silicon graphene heat preservation and cast-in-place floor slab end formwork system of connecting structure of prefabricated external wall panel and floor slab joint integrated with silicon graphene heat preservation
By integrating graphene insulation into the connection structure of prefabricated exterior wall panels and floor slabs, the problems of long construction cycles, thermal and cold bridges, and unstable waterproofing performance in traditional exterior wall insulation methods are solved, achieving efficient and environmentally friendly building insulation and waterproofing effects, and improving construction quality and efficiency.
Patent Information
- Application Number
- CN202520226374.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Traditional external wall insulation methods have problems such as long construction period, difficulty in quality control, easy generation of thermal and cold bridges, and unstable waterproof performance. Furthermore, the insulation performance, structural strength, and overall waterproof performance of precast external wall panels need to be improved.
The connection structure between the prefabricated exterior wall panel and the floor slab node adopts integrated graphene insulation. By integrating graphene insulation board into the prefabricated exterior wall panel, and using grouting layer and node insulation board for seamless connection at the floor slab node, combined with mesh cloth, a tight connection between the prefabricated exterior wall panel and the floor slab is achieved. Right-angled triangular formwork and fixed connectors are used to improve the stability of the end formwork of the cast-in-place floor slab.
It improves the thermal insulation and durability of building exterior walls, prevents thermal bridging, enhances waterproofing, shortens the construction cycle, reduces construction difficulty and cost, reduces environmental pollution, and improves construction quality and efficiency.
Smart Images
Figure CN223753552U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of building engineering, especially relate to a prefabricated external wall panel and floor joint connecting structure of integrated silicon graphene thermal insulation and cast-in-place floor end formwork system. BACKGROUND
[0002] In the current field of building engineering, external wall thermal insulation is mostly in the form of on-site operation, such as sticking thermal insulation boards, spraying thermal insulation layers, etc. These methods have problems such as long construction period, great difficulty in quality control, easy production of thermal bridges and cold bridges at the connecting joints with the floor, unstable waterproof performance, etc. At the same time, although traditional prefabricated external wall panels improve the construction efficiency to a certain extent, the thermal insulation performance, waterproof performance and overall structural strength still need to be improved. SUMMARY
[0003] The utility model aims at providing a prefabricated external wall panel and floor joint connecting structure of integrated silicon graphene thermal insulation and cast-in-place floor end formwork system to solve the problems of poor traditional external wall thermal insulation, low structural strength, poor waterproof performance, poor durability and easy production of cold bridges at the floor joints.
[0004] To solve the above technical problems, the utility model provides a prefabricated external wall panel and floor joint connecting structure of integrated silicon graphene thermal insulation, which comprises a floor and an integrated silicon graphene thermal insulation prefabricated external wall panel connected in alignment on one end of the floor. The prefabricated external wall panel comprises a prefabricated reinforced concrete wall and a silicon graphene thermal insulation board thereon. The upper and lower ends of the prefabricated reinforced concrete wall are exposed to the silicon graphene thermal insulation board. The upper end of the prefabricated reinforced concrete wall of the lower part of the prefabricated external wall panel is seamlessly connected to the floor. The lower end of the prefabricated reinforced concrete wall of the upper part of the prefabricated external wall panel is connected to the floor through a grouting layer. A node thermal insulation board is installed on the outer end face of the floor and the outer side face of the prefabricated reinforced concrete wall without silicon graphene thermal insulation board of the upper and lower parts of the prefabricated external wall panel, so that the node thermal insulation board is seamlessly butted to the silicon graphene thermal insulation board of the upper and lower parts of the prefabricated external wall panel, and a mesh cloth is embedded and installed in the joint between the node thermal insulation board and the silicon graphene thermal insulation board.
[0005] Further, the prefabricated external wall panel and floor joint connecting structure of integrated silicon graphene thermal insulation provided by the utility model comprises a polyethylene rod located at the inner and outer ends of the floor and the prefabricated reinforced concrete wall, and a slurry filled between the polyethylene rods.
[0006] Further, the prefabricated external wall panel and floor joint connecting structure of integrated silicon graphene thermal insulation provided by the utility model comprises a floor support plate located below and a cast-in-place floor thereon.
[0007] Further, the utility model provides the connecting structure of prefabricated external wall board and floor node of integrated silicon graphene heat preservation, the node heat preservation board is silicon graphene heat preservation board.
[0008] Compared with the prior art, the connecting structure of prefabricated external wall board and floor node of integrated silicon graphene heat preservation provided by the utility model has the following beneficial effects:
[0009] Through the prefabricated external wall board of integrated silicon graphene heat preservation as the external wall and heat preservation, the heat preservation and durability of building external wall are improved, the upper prefabricated external wall board is connected closely with floor through the grouting layer, the waterproof performance of building external wall is improved, and the service life of building is prolonged, the node heat preservation board installed in the end of floor makes it seamlessly butt joint with the silicon graphene heat preservation board of upper and lower prefabricated external wall board and the mesh cloth outside, effectively prevents the cold bridge phenomenon of building external wall at floor node connecting place, and improves the energy saving effect of building, through the prefabricated external wall board of prefabricated building, the construction period is shortened, the construction efficiency is improved, and the construction difficulty and cost are reduced, the pollution caused to surrounding environment during on -site construction is reduced, and the effect of green construction is achieved.
[0010] In order to solve the problem of pouring cast-in-place floor, the utility model provides a cast-in-place floor end formwork system of the connecting structure of prefabricated external wall board and floor node of integrated silicon graphene heat preservation, which comprises a right-angled triangle formwork, a formwork arranged on the vertical right-angle side of the formwork, the lower end of the formwork is aligned with the vertical right-angle side of the formwork, the vertical right-angle side and part of the horizontal right-angle side of the formwork are butt jointed on the upper end surface of the silicon graphene heat preservation board of the lower prefabricated external wall board, and the formwork and the formwork thereon are anchored on the prefabricated reinforced concrete wall of the lower prefabricated external wall board through a fixed connector; and further comprising a cable-stayed rod connected to the upper end of the vertical right-angle side of the formwork and the upper chord reinforcement of the floor support plate.
[0011] Further, the utility model provides the connecting structure of prefabricated external wall board and floor node of integrated silicon graphene heat preservation, the fixed connector is expansion bolt or chemical expansion bolt.
[0012] Compared with the prior art, the connecting structure of prefabricated external wall board and floor node of integrated silicon graphene heat preservation provided by the utility model has the following beneficial effects:
[0013] The cast-in-place floor slab end formwork system formed by the formwork with right-angled triangle and the formwork plate on the vertical right-angled edge is anchored in the reinforced concrete wall of the lower prefabricated outer wall plate through the fixed adapter, and the formwork is connected with the floor support plate through the inclined pull rod, so that the stability of the cast-in-place floor slab end formwork system is improved, the precision and quality of the cast-in-place floor slab during the concrete pouring process are ensured, the end surface of the cast-in-place floor slab is aligned with the outer surface of the reinforced concrete wall of the prefabricated outer wall plate, and the construction quality of the cast-in-place floor slab end is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figures 1-2 It is a schematic diagram of the vertical structure of the cast-in-place floor slab end formwork system installed at the node of the lower prefabricated outer wall plate and the floor support plate.
[0015] Figure 3 It is a schematic diagram of the vertical structure of the upper prefabricated outer wall plate installed at the node of the lower prefabricated outer wall plate and the floor support plate.
[0016] Figure 4 It is a schematic diagram of the vertical structure of the node insulation plate.
[0017] Figure 5 It is a schematic diagram of the vertical structure of the mesh cloth embedded and installed.
[0018] The drawings show:
[0019] 100, connection structure of prefabricated outer wall plate and floor slab node integrated with silicon graphene insulation;
[0020] 110, prefabricated outer wall plate, 111, prefabricated reinforced concrete wall, 112, silicon graphene insulation plate;
[0021] 120, floor slab, 121, floor support plate, 122, cast-in-place floor slab;
[0022] 130, grouting layer, 131, polyethylene rod, 132, grout;
[0023] 140, node insulation plate;
[0024] 150, mesh cloth;
[0025] 200, cast-in-place floor slab end formwork system;
[0026] 210, formwork;
[0027] 220, formwork plate;
[0028] 230, fixed adapter;
[0029] 240, inclined pull rod. DETAILED DESCRIPTION
[0030] The utility model will be described in detail below with reference to the drawings: the advantages and characteristics of the utility model will be clearer according to the following description. It should be noted that the drawings are all very simplified and use non-precise scale, and are only used to facilitate and clearly assist the purpose of explaining the utility model embodiments.
[0031] Embodiment one
[0032] Please refer to Figures 3-5 The utility model embodiment one provides a kind of integrated silicon graphene heat preservation's prefabricated external wall panel and floor node's connecting structure 100, including floor 120 and the integrated silicon graphene heat preservation's prefabricated external wall panel 110 connected in alignment on one end thereof, the prefabricated external wall panel 110 includes prefabricated reinforced concrete wall 111 and silicon graphene heat preservation board 112 on it, the upper and lower ends of the prefabricated reinforced concrete wall 111 expose in silicon graphene heat preservation board 112, the upper end of the prefabricated reinforced concrete wall 111 of lower part prefabricated external wall panel 110 is seamlessly connected with floor 120, the lower end of the prefabricated reinforced concrete wall 111 of upper part prefabricated external wall panel 110 is connected with floor 120 by grouting layer 130, the outer end surface of floor 120 is equipped with node heat preservation board 140 with the outer side of the prefabricated reinforced concrete wall 111 of upper and lower part prefabricated external wall panel 110 without silicon graphene heat preservation board 112, so that node heat preservation board 140 is seamlessly butt jointed with the silicon graphene heat preservation board 112 of upper and lower part prefabricated external wall panel 110, and grid cloth 150 is embedded and installed in the joint seam of node heat preservation board 140 and silicon graphene heat preservation board 112. Wherein node heat preservation board 140 can be silicon graphene heat preservation board;Wherein floor 120 can be the combined structure of floor support plate located below and cast-in-place floor 120 on it, can also be all cast-in-place structure.
[0033] To improve the compactness of grouting layer 130 and exempt from disassembly, the integrated silicon graphene heat preservation's prefabricated external wall panel 110 and floor 120 node's connecting structure 100 provided by the utility model embodiment one, the grouting layer 130 includes polyethylene rod 131 located at the inner and outer ends of floor 120 and prefabricated reinforced concrete wall 111, and grout 132 filled between the polyethylene rod 131. Upper part prefabricated external wall panel 110 and lower part prefabricated external wall panel 110 and floor 120 are reliably connected as a whole by grouting layer 130.
[0034] The utility model embodiment one provides the connecting structure 100 of prefabricated outer wall board and floor node of integrated silicon graphene heat preservation, through integrated silicon graphene heat preservation's prefabricated outer wall board 110 as outer wall and heat preservation, improved the heat preservation and durability of building outer wall, upper prefabricated outer wall board 110 and floor 120 are connected closely through the grouting layer 130, improved the waterproof performance of building outer wall, prolonged the service life of building, through the node heat preservation board 140 of batch inlay installation in the end of floor 120 makes it and the seamless butt joint of upper and lower prefabricated outer wall board 110 silicon graphene heat preservation board 112 and the mesh cloth 150 of its outside, effectively prevented the cold bridge phenomenon of building outer wall at floor 120 node connection, improved the energy saving effect of building, through prefabricated outer wall board 110 carries out the assembly type building, shortens the construction period, improves the construction efficiency, reduces the construction difficulty and cost, reduces the pollution to surrounding environment when the site construction, has the effect of green construction.
[0035] Embodiment two
[0036] Please refer to Figures 1-2 , in order to solve the problem of cast-in-place floor 120 pouring, the utility model embodiment two provides a kind of above-mentioned integrated silicon graphene heat preservation's prefabricated outer wall board and floor node's connecting structure 100 of cast-in-place floor end formwork system 200, including right-angled triangle's formwork 210, formwork 220 is set on the vertical right-angle side of the formwork 210, the lower end of the formwork 220 is aligned with the vertical right-angle side of the formwork 210, the vertical right-angle side and part of horizontal right-angle side of the formwork 210 are connected on the upper end surface of lower-mentioned prefabricated outer wall board 110 silicon graphene heat preservation board 112, the formwork 210 and the formwork 220 on it are anchored on lower-mentioned prefabricated reinforced concrete wall 111 of prefabricated outer wall board 110 by fixed connector 230;It also includes the inclined pull rod connected on the upper end of vertical right-angle side of the formwork 210 and the upper chord reinforcement of floor support plate, wherein formwork 220 can be steel formwork, wood formwork etc.;Wherein fixed connector 230 can be expansion bolt or chemical expansion bolt, at this time, the nut of expansion bolt or chemical expansion bolt is locked on the formwork 210.
[0037] The cast-in-place floor end formwork system 200 formed by the formwork 210 with a right triangle and the formwork on the vertical right angle side thereof is anchored in the reinforced concrete wall of the prefabricated external wall panel 110 through the fixed connector 230, and the formwork 210 is connected with the floor support plate through the inclined pull rod, so that the stability of the cast-in-place floor end formwork system 200 is improved, the precision and quality of the concrete pouring process of the cast-in-place floor 120 are ensured, the end surface of the cast-in-place floor 120 is aligned with the outer surface of the reinforced concrete wall of the prefabricated external wall panel 110, and therefore the construction quality of the end part of the cast-in-place floor 120 is improved.
[0038] The utility model is not limited to the above-mentioned specific implementation, obviously, the above-mentioned described embodiment is the embodiment of the utility model embodiment part, instead of all the embodiment.Based on the described embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art belong to the range of the utility model protection.The person skilled in the art can make other levels of modification and change to the utility model.Such, if these modifications and changes of the utility model are within the scope of the claims of the utility model, then the utility model also intends to include these changes and changes.
Claims
1. A connecting structure of an integrated silicon graphene thermal insulation prefabricated external wall and floor panel joint, characterized in that, The prefabricated external wall panel with integrated silicon graphene thermal insulation including a floor and a prefabricated reinforced concrete wall body connected to the floor in alignment at one end of the floor, wherein the prefabricated reinforced concrete wall body is exposed at both upper and lower ends of the silicon graphene thermal insulation panel, the upper end of the prefabricated reinforced concrete wall body of the lower prefabricated external wall panel is seamlessly connected to the floor, the lower end of the prefabricated reinforced concrete wall body of the upper prefabricated external wall panel is connected to the floor through a grouting layer, and a node thermal insulation panel is installed on the outer end surface of the floor and the outer side surface of the prefabricated reinforced concrete wall body without silicon graphene thermal insulation panel of the upper and lower prefabricated external wall panels, so that the node thermal insulation panel is seamlessly connected to the silicon graphene thermal insulation panel of the upper and lower prefabricated external wall panels, and a mesh cloth is embedded in the joint between the node thermal insulation panel and the silicon graphene thermal insulation panel.
2. The integrated silicon graphene insulated prefabricated exterior wall and floor panel joint connection structure according to claim 1, characterized in that, The grouting layer includes polyethylene rods arranged at the inner and outer ends of the floor and the prefabricated reinforced concrete wall body, and grouting material filled between the polyethylene rods.
3. The integrated silicon graphene insulated prefabricated exterior wall and floor panel joint connection structure according to claim 1, characterized in that, The floor includes a floor support plate and a cast-in-place floor slab arranged on the floor support plate.
4. The integrated silicon graphene insulated prefabricated exterior wall and floor panel joint connection structure according to claim 1, characterized in that, The node thermal insulation panel is a silicon graphene thermal insulation panel.
5. A cast-in-place floor slab end formwork system of the integrated silicon graphene insulated precast external wall and floor panel joint construction according to claim 3, characterized in that, The formwork includes a formwork frame in the shape of a right-angled triangle, a formwork plate arranged on the vertical right-angled side of the formwork frame, the lower end of the formwork plate is aligned with the vertical right-angled side of the formwork frame, the vertical right-angled side and part of the horizontal right-angled side of the formwork frame are connected to the upper end surface of the silicon graphene thermal insulation panel of the lower prefabricated external wall panel, the formwork frame and the formwork plate arranged thereon are anchored to the prefabricated reinforced concrete wall body of the lower prefabricated external wall panel through a fixed connector, and a stay bar is connected to the upper end of the vertical right-angled side of the formwork frame and the top chord reinforcement of the floor support plate.
6. The integrated silicon graphene insulated precast exterior wall and floor panel joint construction cast-in-place floor slab end formwork system in accordance with claim 5, characterized in that, The fixed connector is an expansion bolt or a chemical expansion bolt.