Concrete prefabricated wallboard

Abstract

The utility model discloses a concrete prefabricated wallboard, which comprises an inner wallboard and an outer wallboard, one side of the inner wallboard is provided with a first groove and a second groove, the first groove and the second groove are arranged in a step shape, a heating sheet, a heat insulation layer and a waterproof layer are sequentially installed in the first groove, the outer wallboard is clamped in the second groove, and the heat insulation layer is arranged in the second groove. Connecting holes are formed in the two ends of the inner wall plate, and bolt holes communicated with the connecting holes are formed in the side edges of the two ends of the inner wall plate. The connecting columns are inserted into the connecting holes in the two inner wallboards respectively, then the bolts are inserted into the bolt holes in the two inner wallboards and are in threaded connection with the threaded holes in the connecting columns, and therefore the two inner wallboards can be connected, and assembling and splicing are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated wall panels, in particular to a concrete prefabricated wall panel. Background Art

[0002] Prefabricated concrete wall panels are a type of wall material that is processed and manufactured in a factory and then directly transported to the construction site for installation and use. It is produced and processed in a factory-based manner, and uses modern production processes and equipment to produce building materials with uniform specifications and reliable quality. Prefabricated concrete wall panels are generally assembled and used. The common method is to directly fit or connect them using a slot. The direct fitting method is not tight and is easy to loosen each other. The slot type has high requirements for the prefabrication process of concrete. For example, the Chinese patent with the authorization announcement number CN210976312U uses a connection column and a connection slot. This requires very high processing accuracy. If the accuracy is not enough, it is not easy to assemble. In order to better improve the efficiency of assembly, we propose a prefabricated concrete wall panel. Summary of the invention

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a prefabricated concrete wall panel.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A prefabricated concrete wall panel comprises an inner wall panel and an outer wall panel, wherein one side of the inner wall panel is provided with a first groove and a second groove arranged in a stepped manner, a heating plate, a heat insulating layer and a waterproof layer are sequentially installed in the first groove, the outer wall panel is clamped in the second groove, both ends of the inner wall panel are provided with connecting holes, and both end sides of the inner wall panel are provided with bolt holes connected to the connecting holes.

[0006] Preferably, a connecting column is sleeved in the connecting hole, two threaded holes are provided on the connecting column, a bolt is sleeved in the bolt hole, and the bolt is connected to the threaded hole by threads.

[0007] Preferably, the side edges of the inner wall panels are provided with first ribs formed integrally therewith, and the side edges of the outer wall panels are provided with second ribs formed integrally therewith.

[0008] Preferably, the inner wall panels and the outer wall panels are sealed by sealing strips.

[0009] Preferably, mutually fixed studs and circular plates are pre-embedded in the exterior wall panels, and the studs penetrate the waterproof layer, the heat insulation layer, and the interior wall panels and are threadedly sleeved with nuts.

[0010] Preferably, a stepped hole is provided on the inner wall plate, and the stud and nut are located in the stepped hole.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, the heating plate can heat the inner wall panel, so as to keep the room warm in winter and improve the comfort. The heat insulation layer can reduce the heat overflow of the heating plate. The waterproof layer can enhance the waterproof effect. The sealing strip can enhance the sealing of the inner wall panel and the outer wall panel. The first rib can enhance the strength of the inner wall panel, and the second rib can enhance the strength of the second rib.

[0013] 2. In the utility model, the inner wall panels and the outer wall panels are connected by snap-fitting, and the inner wall panels and the outer wall panels can be fastened together by studs and nuts, which is convenient for disassembly and maintenance; the connecting columns are respectively inserted into the connecting holes of the two inner wall panels, and then the bolts are inserted into the bolt holes on the two inner wall panels and connected with the threaded holes on the connecting columns by threads, so that the two inner wall panels can be connected, thereby facilitating assembly and splicing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of a prefabricated concrete wall panel proposed by the utility model;

[0015] Figure 2 for Figure 1 Schematic diagram of the local structure.

[0016] In the figure: 1 inner wall panel, 2 outer wall panel, 3 waterproof layer, 4 heat insulation layer, 5 heating plate, 6 bolts, 7 connecting column, 8 connecting hole, 9 bolt hole, 10 sealing strip, 11 second rib, 12 stud, 13 round plate, 14 nut, 15 stepped hole, 16 first rib. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] Reference Figure 1 , Figure 2A prefabricated concrete wall panel comprises an inner wall panel 1 and an outer wall panel 2. A second groove in a first groove arranged in a stepped manner is provided on one side of the inner wall panel 1. A heating plate 5, a heat insulating layer 4 and a waterproof layer 3 are sequentially installed in the first groove. The heating plate 5 can heat the inner wall panel 1, which is convenient for keeping the indoor warmth in winter and improving the comfort. The heat insulating layer 4 can reduce the heat overflow of the heating plate 5. The waterproof layer 3 can enhance the waterproof effect. The outer wall panel 2 is snapped into the second groove. The inner wall panel 1 and the outer wall panel 2 are snap-connected, which is convenient for disassembly and maintenance. Both ends of the inner wall panel 1 are provided with connecting holes 8. Both ends of the inner wall panel 1 are provided with bolt holes 9 connected with the connecting holes 8. A connecting column 7 is sleeved in the connecting hole 8. Two threaded holes are provided on the connecting column 7. A bolt 6 is sleeved in the bolt hole 9. The bolt 6 is threadedly connected to the threaded hole. The connecting column 7 is respectively inserted into the connecting holes 8 on the two inner wall panels 1. Then, the bolts 6 are inserted into the bolt holes 9 on the two inner wall panels 1 and connected with the threaded holes on the connecting column 7 through threads, so that the two inner wall panels 1 can be connected, thereby facilitating assembly and splicing. The side of the inner wall panel 1 is provided with an integrally formed first rib 16, and the first rib 16 can enhance the strength of the inner wall panel 1. The side of the outer wall panel 2 is provided with an integrally formed second rib 11, and the second rib 11 can enhance the strength of the second rib 11. The inner wall panel 1 and the outer wall panel 2 are sealed by a sealing strip 10, and the sealing strip 10 can enhance the sealing of the inner wall panel 1 and the outer wall panel 2. Studs 12 and circular plates 13 fixed to each other are pre-embedded in the outer wall panel 2. The studs 12 penetrate the waterproof layer 3, the heat insulation layer 4, the inner wall panel 1 and are connected with nuts 14 through threads. A stepped hole is provided on the inner wall panel 1, and the studs 12 and the nuts 14 are located in the stepped hole. The inner wall panel 1 and the outer wall panel 2 can be fastened and connected by the studs 12 and the nuts 14.

[0019] Working principle: When in use, the heating plate 5 can heat the inner wall panel 1, which is convenient for keeping the indoor warmth in winter and improving comfort. The insulation layer 4 can reduce the heat overflow of the heating plate 5, the waterproof layer 3 can enhance the waterproof effect, the sealing strip 10 can enhance the sealing of the inner wall panel 1 and the outer wall panel 2, the first rib 16 can enhance the strength of the inner wall panel 1, and the second rib 11 can enhance the strength of the second rib 11; the inner wall panel 1 and the outer wall panel 2 are snap-connected, and the inner wall panel 1 and the outer wall panel 2 can be fastened and connected by the studs 12 and nuts 14, which is convenient for disassembly and maintenance; the connecting columns 7 are respectively inserted into the connecting holes 8 on the two inner wall panels 1, and then the bolts 6 are inserted into the bolt holes 9 on the two inner wall panels 1 and connected with the threaded holes on the connecting columns 7 by threads, so that the two inner wall panels 1 can be connected, thereby facilitating assembly and splicing.

[0020] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A prefabricated concrete wall panel, comprising an inner wall panel (1) and an outer wall panel (2), characterized in that: A second groove in a first groove arranged in a stepped manner is provided on one side of the inner wall panel (1); a heating plate (5), a heat insulating layer (4), and a waterproof layer (3) are sequentially installed in the first groove; the outer wall panel (2) is snapped into the second groove; connection holes (8) are provided at both ends of the inner wall panel (1); and bolt holes (9) connected to the connection holes (8) are provided on both side edges of the inner wall panel (1).

2. A prefabricated concrete wall panel according to claim 1, characterized in that: A connecting column (7) is sleeved in the connecting hole (8), two threaded holes are provided on the connecting column (7), a bolt (6) is sleeved in the bolt hole (9), and the bolt (6) is connected to the threaded hole by threads.

3. The prefabricated concrete wall panel according to claim 1, characterized in that: The side edge of the inner wall panel (1) is provided with an integrally formed first rib (16), and the side edge of the outer wall panel (2) is provided with an integrally formed second rib (11).

4. The prefabricated concrete wall panel according to claim 1, characterized in that: The inner wall panel (1) and the outer wall panel (2) are sealed via a sealing strip (10).

5. The prefabricated concrete wall panel according to claim 1, characterized in that: The exterior wall panel (2) is pre-buried with mutually fixed studs (12) and circular plates (13); the studs (12) penetrate the waterproof layer (3), the heat insulation layer (4), and the interior wall panel (1) and are threadedly sleeved with nuts (14).

6. The prefabricated concrete wall panel according to claim 5, characterized in that: The inner wall plate (1) is provided with a stepped hole, and the stud (12) and the nut (14) are located in the stepped hole.

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