Prefabricated slab

Abstract

The utility model provides a precast slab which comprises a plurality of vertical plates arranged at intervals, the plurality of vertical plates comprise a first outer vertical plate, a plurality of inner vertical plates and a second outer vertical plate, and a plurality of first bamboo tubes are fixedly arranged between every two adjacent vertical plates; a first square fixing part is fixedly connected to the left side ends of the vertical plates, a second square fixing part is fixedly connected to the right side ends of the vertical plates, a bottom plate is fixedly arranged between the bottoms of the first square fixing part and the second square fixing part, and a top plate is fixedly arranged between the tops of the first square fixing part and the second square fixing part; the inner side faces of the bottom plate, the first outer vertical plate, the first square fixing piece, the second square fixing piece, the second outer vertical plate and the top plate define an inner cavity of the prefabricated plate. The weight of the prefabricated slab is reduced, and the transportation and installation cost of the prefabricated slab is reduced.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated building technology, and in particular to a prefabricated panel. Background Technology

[0002] Currently, prefabricated slabs for assembled buildings on the market are mainly made of reinforced concrete. Reinforced concrete prefabricated slabs have disadvantages such as heavy weight and high transportation and installation costs, which limits their use to a certain extent.

[0003] Chinese invention patent publication number CN1743598A discloses a bamboo wall panel, which is composed of bamboo tubes glued together on their outer periphery. Each bamboo tube is cylindrical with a hole in the center, and multiple bamboo tubes have the same shape, which can be one of a regular hexagonal prism, a regular square prism, or a cylinder. An adhesive is used to connect the bamboo tubes at their contact points. The hole in the center of each bamboo tube is filled with a filler material, which can be one of the following: bamboo shavings mixed with adhesive, wood shavings mixed with adhesive, wood shavings mixed with adhesive, fibers mixed with adhesive, crushed plant straw mixed with adhesive, cement slurry, gypsum powder, or foamed plastic. This bamboo wall panel requires filling the bamboo with this material, making the construction process relatively complicated and time-consuming. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing prefabricated slabs, such as heavy weight and high transportation and installation costs, by providing a prefabricated slab that reduces its weight and transportation and installation costs.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is: a precast panel, characterized in that it includes multiple vertical panels arranged at intervals, the multiple vertical panels including a first outer vertical panel, several inner vertical panels and a second outer vertical panel, and several first bamboo tubes are fixedly arranged between two adjacent vertical panels.

[0006] A first square fastener is fixedly connected to the left end of the multiple upright panels, and a second square fastener is fixedly connected to the right end of the panels. A bottom plate is fixedly provided between the bottom of the first square fastener and the second square fastener, and a top plate is fixedly provided between the top of the first square fastener and the second square fastener.

[0007] The inner sides of the base plate, the first outer vertical plate, the first square fastener, the second square fastener, the second outer vertical plate, and the top plate together form the inner cavity of the precast slab.

[0008] Furthermore, the first bamboo tube has a bamboo joint in the middle, and a first through hole is opened on both sides of the bamboo tube to connect the inner cavity of the bamboo tube with the inner cavity of the precast slab.

[0009] Further, the top of the plurality of vertical plates is connected by a plurality of lower connecting plates, and the top is connected by a plurality of upper connecting plates, and a plurality of second bamboo tubes are fixed between the lower connecting plates and the corresponding upper connecting plates.

[0010] Further, the middle part of the second bamboo tube is provided with a bamboo joint, and the bamboo joint is provided with a second through hole on the bamboo tube on both sides, which communicates the cavity of the bamboo tube with the cavity of the prefabricated plate.

[0011] Further, the bottom of the vertical plate is provided with a plurality of first clamping grooves, and the first clamping grooves are fixed with the corresponding lower connecting plates; the top of the vertical plate is provided with a plurality of second clamping grooves, and the second clamping grooves are fixed with the corresponding upper connecting plates.

[0012] Further, a plurality of third clamping grooves are formed in the first square fixing piece, and the third clamping grooves are fixed with the corresponding vertical plates; a plurality of fourth clamping grooves are formed in the second square fixing piece, and the fourth clamping grooves are fixed with the corresponding vertical plates.

[0013] Further, the cavity of the prefabricated plate is filled with air or foaming material.

[0014] Further, a third through hole is formed in the inner vertical plate; a connecting channel for communicating the cavity of the prefabricated plate with the outside is formed in the first outer vertical plate and / or the second outer vertical plate, and a device for opening and closing the connecting channel is installed on the connecting channel.

[0015] Further, the bottom plate and the top plate are provided with fifth clamping grooves for mounting the vertical plates, and the bottom and the top of each vertical plate are provided with convex strips for clamping with the fifth clamping grooves.

[0016] Further, the bottom plate is fixedly connected with the first square fixing piece and the second square fixing piece through corresponding connecting pieces and structural glue respectively; the top plate is fixedly connected with the first square fixing piece and the second square fixing piece through corresponding connecting pieces and structural glue respectively.

[0017] Compared with the prior art, the beneficial effects of the present application are:

[0018] I. Light weight and high strength, the present application mainly uses bamboo integrated plate and bamboo tube, so that the prefabricated plate is light in weight and has high bearing capacity.

[0019] II. Energy saving and environmental protection, the present application mainly uses bamboo, which is a renewable resource, and the inner cavity or the filled foaming material also has good heat preservation and heat insulation performance, which is beneficial to building energy saving and environmental protection.

[0020] III. Stable structure, the glue connection of bamboo integrated material and bamboo tube, and the reinforcement of connecting steel plate and rivet, ensure the structural strength and stability of the module.

[0021] IV. Good sealing, can effectively soundproof, waterproof and moisture-proof.

[0022] V. Multifunctionality, the cavity can be filled with different materials (the cavity can be a hollow cavity or filled with different materials), to meet different building needs.

[0023] VI. Easy to construct, modular design, can realize factory prefabrication and on-site assembly, improve construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the front view of an embodiment of the utility model;

[0025] Figure 2 is the rear view of an embodiment of the utility model;

[0026] Figure 3 is the longitudinal section view of an embodiment of the utility model;

[0027] Figure 4 is the side view of an embodiment of the utility model;

[0028] Figure 5 is the top view of an embodiment of the utility model (when the upper connecting plate and cover plate are not installed);

[0029] Figure 6 is the top view of an embodiment of the utility model (when the cover plate is not installed);

[0030] Figure 7 is the top view of an embodiment of the utility model (when the cover plate is installed);

[0031] Figure 8 is the inside plane schematic view of the bottom plate or cover plate in an embodiment of the utility model;

[0032] Figure 9 is the structure schematic view of the first outer vertical plate in an embodiment of the utility model;

[0033] Figure 10 is the left side end structure enlarged view of the first outer vertical plate in an embodiment of the utility model.

[0034] In the drawings:

[0035] 1, first outer stand; 2, inner stand; 3, second outer stand; 4, first bamboo tube; 401, first through hole; 5, lower connecting plate; 6, upper connecting plate; 7, second bamboo tube; 701, second through hole; 8, first square fixing piece; 9, second square fixing piece; 10, bottom plate; 11, top plate; 12, connecting piece; 1201, connecting steel plate; 1202, rivet; 13, device; 14, fifth clamping groove; 15, convex strip. DETAILED DESCRIPTION

[0036] The utility model will be explained in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. For the convenience of description, if the words "upper", "lower", "left" and "right" appear below, they only mean the same as the upper, lower, left and right directions of the drawings, and do not limit the structure.

[0037] As Figures 1-10 shown, a prefabricated slab of the embodiment comprises a plurality of stand plates arranged at intervals, the plurality of stand plates comprise a first outer stand plate 1, a plurality of inner stand plates 2 and a second outer stand plate 3, and a plurality of first bamboo tubes 4 are fixedly arranged between the adjacent two stand plates. In the embodiment, the stand plates are bamboo integrated plates, original wood plates, European pine plates or multi-layer plates. The bottom and top of the first bamboo tube 4 are fixedly connected with the corresponding stand plates through structural glue.

[0038] The left side end of the plurality of stand plates is fixedly connected with a first square fixing piece 8, the right side end is fixedly connected with a second square fixing piece 9, the bottom between the first square fixing piece 8 and the second square fixing piece 9 is fixedly provided with a bottom plate 10, and the top between the first square fixing piece 8 and the second square fixing piece 9 is fixedly provided with a top plate 11. In the embodiment, the first square fixing piece 8 and the second square fixing piece 9 are wood square materials, bamboo integrated materials or reconstituted bamboo square materials.

[0039] The inner side faces of the bottom plate 10, the first outer stand plate 1, the first square fixing piece 8, the second square fixing piece 9, the second outer stand plate 3 and the top plate 11 are enclosed to form a prefabricated slab inner cavity.

[0040] As Figure 5 and Figure 6 shown, in the embodiment, the middle part of the first bamboo tube 4 is provided with a bamboo joint, and the first through hole 401 is arranged on the bamboo tube on the two sides of the bamboo joint to communicate the bamboo tube inner cavity with the prefabricated slab inner cavity.

[0041] As Figure 3As shown in the drawings, in this embodiment, the bottoms of the plurality of vertical plates are connected by a plurality of lower connecting plates 5, the tops of the plurality of vertical plates are connected by a plurality of upper connecting plates 6, and a plurality of second bamboo tubes 7 are fixed between the lower connecting plates 5 and the corresponding upper connecting plates 6. In this embodiment, the top and bottom of the second bamboo tube 7 are fixedly connected to the corresponding vertical plate by structural glue.

[0042] As shown in the drawings, Figure 3 In this embodiment, the middle part of the second bamboo tube 7 is provided with a bamboo joint, and the bamboo tubes on both sides of the bamboo joint are provided with second through holes 701 for connecting the inner cavity of the bamboo tube with the inner cavity of the prefabricated plate. In this embodiment, the upper connecting plate 5 and the lower connecting plate 6 are bamboo integrated plates or wooden plates.

[0043] As shown in the drawings, Figure 1 and Figure 2 In this embodiment, the bottom of the vertical plate is provided with a plurality of first clamping grooves, and the first clamping grooves are fixedly provided with the corresponding lower connecting plates 5. The top of the vertical plate is provided with a plurality of second clamping grooves, and the second clamping grooves are fixedly provided with the corresponding upper connecting plates 6.

[0044] As shown in the drawings, Figure 5 In this embodiment, a plurality of third clamping grooves are formed in the first square fixing piece 8, and the third clamping grooves are fixedly provided with the corresponding vertical plates; a plurality of fourth clamping grooves are formed in the second square fixing piece 9, and the fourth clamping grooves are fixedly provided with the corresponding vertical plates.

[0045] In this embodiment, the inner cavity of the prefabricated plate is filled with foaming material (not shown in the drawings), and the foaming material is foaming cement or foaming polymer (PUR / PIR / EPS / XPS, etc.).

[0046] As shown in the drawings, Figure 1 and Figure 2 In this embodiment, a third through hole is formed in the inner vertical plate 2. The first outer vertical plate 1 and the second outer vertical plate 3 are provided with a connecting channel for connecting the inner cavity of the prefabricated plate with the outside, and the connecting channel is provided with a device 13 capable of opening and closing the connecting channel. The connecting channel and the device 13 are switches for controlling the communication between the inner cavity of the prefabricated plate and the outside. In some embodiments, the device 13 is a movable cover plate.

[0047] As shown in the drawings, Figures 8-10 In this embodiment, the inner side of the bottom plate 10 and the inner side of the top plate 11 are provided with fifth clamping grooves 14 for mounting the vertical plates, and the bottom and top of each vertical plate are provided with protrusions 15 for clamping with the fifth clamping grooves.

[0048] As shown in the drawings, Figures 1-4As shown in the drawings, in the embodiment, the bottom plate 10 is fixedly connected with the first square fixing part 8 and the second square fixing part 9 through corresponding connecting parts 12 and structural glue respectively; the top plate 11 is fixedly connected with the first square fixing part 8 and the second square fixing part 9 through corresponding connecting parts 12 and structural glue respectively.

[0049] As shown in the drawings, Figures 1-4 As shown in the drawings, in the embodiment, the connecting part 12 comprises a connecting steel plate 1201 and a rivet 1202 used in assembly with the connecting steel plate 1201. The first square fixing part 8 and the connecting steel plate 1201 are provided with connecting holes (not shown in the drawings) for connecting the prefabricated plate with other components. The second square fixing part 9 and the connecting steel plate 1201 are provided with connecting holes (not shown in the drawings) for connecting the prefabricated plate with other components.

[0050] The prefabricated plate of the embodiment mainly uses bamboo integrated plate and bamboo tube as the main material, the bamboo tube does not need to be filled with material, and the components are connected through clamping, gluing or riveting, which is convenient for combination and installation. Therefore, the prefabricated plate of the embodiment has the advantages of convenient construction and greatly reduced weight.

[0051] The above-mentioned embodiments should be understood as merely illustrating the present application, and should not be used to limit the scope of the present application. After reading the present application, those skilled in the art can make various equivalent modifications to the embodiments, and all of these modifications fall within the scope of the appended claims of the present application.

Claims

1. A precast panel, characterised in that, The utility model relates to a prefabricated plate, which comprises a plurality of vertically arranged panels, the panels including a first outer panel (1), a plurality of inner panels (2) and a second outer panel (3), a plurality of first bamboo tubes (4) being fixedly arranged between adjacent two panels; A first square fixing piece (8) is fixedly connected to the left side end of the plurality of panels, and a second square fixing piece (9) is fixedly connected to the right side end of the plurality of panels, a bottom plate (10) being fixedly arranged between the bottom of the first square fixing piece (8) and the second square fixing piece (9), and a top plate (11) being fixedly arranged between the top of the first square fixing piece (8) and the second square fixing piece (9); The inner side surfaces of the bottom plate (10), the first outer panel (1), the first square fixing piece (8), the second square fixing piece (9), the second outer panel (3) and the top plate (11) enclose a prefabricated plate inner cavity. The prefabricated plate inner cavity is filled with air or foaming material.

2. A precast panel according to claim 1, wherein, The middle part of the first bamboo tube (4) is provided with a bamboo joint, and first through holes (401) are formed in the bamboo tubes on both sides of the bamboo joint to communicate the inner cavities of the bamboo tubes with the prefabricated plate inner cavity.

3. A precast panel according to claim 1, wherein, The bottom part of the plurality of panels is connected by a plurality of lower connecting plates (5), and the top part of the plurality of panels is connected by a plurality of upper connecting plates (6), a plurality of second bamboo tubes (7) being fixedly arranged between the lower connecting plates (5) and the corresponding upper connecting plates (6).

4. A precast panel according to claim 3, wherein, The middle part of the second bamboo tube (7) is provided with a bamboo joint, and second through holes (701) are formed in the bamboo tubes on both sides of the bamboo joint to communicate the inner cavities of the bamboo tubes with the prefabricated plate inner cavity.

5. A precast panel according to claim 3, wherein, A plurality of first clamping grooves are formed in the bottom part of the panel, and the corresponding lower connecting plates (5) are fixedly arranged in the first clamping grooves; a plurality of second clamping grooves are formed in the top part of the panel, and the corresponding upper connecting plates (6) are fixedly arranged in the second clamping grooves.

6. A precast panel according to claim 1 wherein, A plurality of third clamping grooves are formed in the first square fixing piece (8), and the corresponding panels are fixedly arranged in the third clamping grooves; a plurality of fourth clamping grooves are formed in the second square fixing piece (9), and the corresponding panels are fixedly arranged in the fourth clamping grooves.

7. A precast panel according to claim 1 wherein, Third through holes are formed in the inner panels (2), and connecting channels for communicating the prefabricated plate inner cavity with the outside are formed in the first outer panel (1) and / or the second outer panel (3), and a device (13) capable of opening and closing the connecting channels is arranged on the connecting channels.

8. A precast panel according to any one of claims 1 to 7, wherein, Fifth clamping grooves (14) for mounting the panels are formed in the bottom plate (10) and the top plate (11), and protrusions (15) for clamping the fifth clamping grooves are arranged on the bottom part and the top part of each panel.

9. A precast panel according to any one of claims 1 to 7, wherein, The bottom plate (10) is fixedly connected to the first square fixing piece (8) and the second square fixing piece (9) by corresponding connecting pieces (12) and structural glue, and the top plate (11) is fixedly connected to the first square fixing piece (8) and the second square fixing piece (9) by corresponding connecting pieces (12) and structural glue.

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