CN212104635U - An external wall panel - Google Patents

Abstract

The utility model discloses an external wall panel, which belongs to the technical field of building materials, and comprises a wall panel body. The wall panel body includes an outer concrete structural layer, a thermal insulation layer and an internal concrete structural layer, and the thermal insulation layer is arranged on the outer concrete structure layer. Between the concrete construction layer and the inner concrete construction layer, the outer concrete construction layer is provided with an outer single-layer reinforcement mesh, the inner concrete construction layer is provided with an inner single-layer reinforcement mesh, and the outer single-layer reinforcement mesh A plurality of horizontally arranged fastening steel bars are connected with the inner single-layer reinforcement mesh, the upper and lower end surfaces of the outer concrete structure layer are respectively lower than the upper and lower end surfaces of the inner concrete structure layer, and the The end face of the thermal insulation layer is an inclined plane connecting the outer concrete structural layer and the inner concrete structural layer. The utility model is provided with a waterproof tongue and groove between adjacent wall panels, and after the installation of the external wall panels, the occurrence of a partition part in the thermal insulation layer is avoided, thereby effectively improving the thermal insulation effect.

Description

An external wall panel

technical field

The utility model relates to the technical field of building materials, in particular to an external wall panel.

Background technique

The outer retaining wall of the frame structure should have the functions of decoration, thermal insulation, waterproof, sound insulation, moisture resistance, fire prevention, etc. At the same time, it should also bear the self-weight of the wall and the effect of wind load or earthquake, and should not contribute to the stiffness of the main structure. The thermal insulation and decoration integrated external wall panel is suitable for the outer protection of cast-in-place (or prefabricated) frame structures because of its stable quality, reliable thermal insulation performance, and easy control of the appearance and decoration effect due to its production in the factory.

In recent years, prefabricated buildings have developed rapidly, and thermal insulation and decoration integrated external wall panels have received extensive attention. The service life of thermal insulation and decoration integrated external wall panels is the focus of research, which directly affects whether the external protection system is the same as the main structure. life. The existing external wall panels need to be hung outside the wall to form the entire external wall body. There is a partition between the adjacent external wall panels, the heat preservation effect is not good, and it is not good for waterproofing. And when the floor is cast-in-place, the concrete will flow along the partition to the external wall, which affects the cleanliness of the facade. In addition, the hoisting support of the existing external wall panels is complicated and requires welding, which may increase the risk of use due to corrosion.

Utility model content

The utility model provides an external hanging wall panel, which solves the problems that the existing external hanging wall panel has poor thermal insulation effect and is unfavorable for waterproofing.

In order to solve the above-mentioned technical problem, the technical scheme that the utility model provides is:

An external wall panel includes a wall panel body, the wall panel body includes an outer concrete structural layer, a thermal insulation layer and an internal concrete structural layer, and the thermal insulation layer is arranged between the external concrete structural layer and the internal concrete structural layer. The outer concrete structure layer is provided with an outer single-layer reinforcement mesh, the inner concrete structure layer is provided with an inner single-layer reinforcement mesh, and the outer single-layer reinforcement mesh and the inner single-layer reinforcement mesh are connected A plurality of horizontally arranged fastening steel bars, the upper and lower end surfaces of the outer concrete structure layer are respectively lower than the upper end surface and the lower end surface of the inner concrete structure layer, and the end surface of the thermal insulation layer is for connecting the outer concrete structure layer and the lower end surface. The slope of the inner concrete construction layer.

Wherein, preferably, the distance between the adjacent fastening bars is 500-700mm.

Wherein, preferably, the gap between the adjacent wall panels constitutes a waterproof groove, a drainage piece is arranged between the adjacent outer concrete structural layers in the waterproof groove, and between the adjacent inner concrete structural layers in the waterproof groove. There is a waterproofing in the room.

Wherein, preferably, the inner wall of the inner concrete structure layer is respectively provided with an upper hanging ear and a lower hanging ear, the upper hanging ear and the lower hanging ear are integrally formed with the inner concrete structure layer, and the upper hanging ear and the lower hanging ear are integrally formed with the inner concrete structure layer. The lower hanging ears are respectively provided with longitudinal connecting holes.

Wherein, preferably, the number of the upper hanging lugs is multiple, which are uniformly distributed laterally on a horizontal plane of the inner wall of the inner concrete structure layer.

Wherein, preferably, the number of the lower hanging lugs is multiple, which are uniformly distributed laterally on a horizontal plane of the inner wall of the inner concrete structure layer.

Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

The utility model is provided with a waterproof tongue and groove between the adjacent wall panels, and after the installation of the external wall panels, the occurrence of a partition part in the thermal insulation layer is avoided, thereby effectively improving the thermal insulation effect; and the inner and outer concrete structural layers are respectively arranged with a single layer Reinforcement mesh, the tightening steel bar passes through the insulation layer and is effectively connected to the single-layer reinforcement mesh on both sides, so that the concrete structure layer on both sides and the insulation layer are closely combined, which improves the overall stability and durability of the external wall panel, and completely solves the problem of thermal insulation. The layer is easy to crack and fall off.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present utility model, and for those of ordinary skill in the art, other embodiments can also be obtained according to these drawings without creative work;

FIG. 1 is a schematic structural diagram of an external wall panel in the utility model.

In the picture: 1. Outer concrete structure layer, 2. Insulation layer, 3. Inner concrete structure layer, 4. Outer single-layer reinforcement mesh, 5. Inner single-layer reinforcement mesh, 6. Fastening steel bar, 7. Waterproof tongue and groove, 8. Drainage parts, 9. Waterproof parts, 10. Upper hanging ears, 11. Lower hanging ears, 12. Vertical connection holes.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in FIG. 1 , this embodiment provides an external wall panel, including a wall panel body. The wall panel body includes an outer concrete structural layer 1 , an insulating layer 2 and an inner concrete structural layer 3 , and the insulating layer 2 is provided on the outer concrete structural layer 1 . Between the inner concrete structure layer 3, the outer concrete structure layer 1 is provided with an outer single-layer reinforcement mesh 4, the inner concrete structure layer 3 is provided with an inner single-layer reinforcement mesh 5, an outer single-layer reinforcement mesh 4 and an inner single-layer reinforcement mesh. A plurality of horizontally arranged fastening steel bars 6 are connected between the nets 5. The upper and lower end faces of the outer concrete structural layer 1 are respectively lower than the upper and lower end faces of the inner concrete structural layer 3, and the end face of the thermal insulation layer 2 is connected to the outer concrete. Slopes of Structural Layer 1 and Inner Concrete Structural Layer 3. A waterproof tongue and groove 7 is arranged between the adjacent wall panels. After the installation of the external wall panels, the partition part of the insulation layer 2 is avoided, thereby effectively improving the insulation effect; and the inner and outer concrete structure layers 1 are respectively arranged with a single layer Reinforcement mesh, the tightening steel bar 6 passes through the insulation layer 2 and is effectively connected to the single-layer reinforcement mesh on both sides, so that the concrete structure layer on both sides and the insulation layer 2 are closely combined, which improves the overall stability and durability of the external wall panel. The problem that the insulation layer 2 is easy to crack and fall off is solved.

Among them, the distance between the adjacent tightening steel bars 6 is 600mm to ensure the strength of the tightening steel bars 6 .

Wherein, the gap between the adjacent wall panels constitutes a waterproof groove 7, a drainage member 8 is provided between the adjacent outer concrete structural layers 1 in the waterproof groove 7, and the adjacent inner concrete structural layer 3 in the waterproof groove 7 is provided. A waterproof member 9 is arranged therebetween. The material of the drainage member 8 and the waterproof member 9 can be commonly used soft materials such as silica gel and rubber. The drainage member 8 has certain elasticity, which can ensure that there is no gap between the drainage member 8 and the inner concrete structure layer 3 of the adjacent wall panels, and the water in the wall will not flow into the wall panels. The provision of the waterproof member 9 can prevent the occurrence of slurry leakage in the horizontal direction during subsequent pouring. In addition, the water-proof groove 7 is used as a closed space for the setting of the drainage member 8 and the waterproof member 9, which further improves the thermal insulation effect of the waterproof groove 7.

Wherein, the inner wall of the inner concrete structure layer 3 is respectively provided with the upper hanging lugs 10 and the lower hanging lugs 11, the upper hanging lugs 10 and the lower hanging lugs 11 are integrally formed with the inner concrete structural layer 3, and the upper hanging lugs 10 and the lower hanging lugs 11 are respectively A longitudinal connecting hole 12 is provided. Among them, the number of the upper hanging ears 10 is three, which are evenly distributed laterally on a horizontal plane of the inner wall of the inner concrete structure layer 3 . The number of the lower hanging lugs 11 is three, which are evenly distributed laterally on a horizontal plane of the inner wall of the inner concrete structure layer 3 . The upper hanging lugs 10, the lower hanging lugs 11 and the inner concrete structural layer 3 are integrally formed, which enhances the stability of the hanging lugs. When in use, it is only necessary to hang the external wall panel on the main wall through the upper hanging lugs 10 and the lower hanging lugs 11. The hoisting support is simple and does not require welding. Compared with the welding hanging connection, the problem of corrosion and fire hazards is completely solved; and , Since there are multiple hanging ears, the force transmission of the external wall panel is the same as that of the traditional brick wall, and the force is uniform.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the scope of protection of the present invention.

Claims (6)

1. An external wall panel, comprising a wall panel body, the wall panel body includes an outer concrete structure layer, a thermal insulation layer and an inner concrete structure layer, and the thermal insulation layer is provided on the outer concrete structure layer and the inner concrete structure layer. It is characterized in that: the outer concrete structure layer is provided with an outer single-layer reinforcement mesh, the inner concrete structure layer is provided with an inner single-layer reinforcement mesh, the outer single-layer reinforcement mesh and the inner single-layer reinforcement mesh are arranged in the outer concrete structure layer. A plurality of horizontally arranged fastening steel bars are connected between the layers of reinforcement meshes, the upper and lower end surfaces of the outer concrete structure layer are respectively lower than the upper and lower end surfaces of the inner concrete structure layer, and the end surface of the thermal insulation layer is The slope connecting the outer concrete construction layer and the inner concrete construction layer. 2 . An external wall panel according to claim 1 , wherein the spacing between the adjacent fastening steel bars is 500-700 mm. 3 . 3. An external wall panel according to claim 1, characterized in that: the gap between adjacent wall panels constitutes a waterproof groove, and a drainage member is provided between adjacent outer concrete structural layers in the waterproof groove. and a waterproof member is arranged between the adjacent inner concrete structural layers in the waterproof tongue and groove. 4. An external wall panel according to claim 1, characterized in that: the inner wall of the inner concrete structure layer is respectively provided with an upper hanging lug and a lower hanging lug, and the upper hanging lug and the lower hanging lug are connected with the The inner concrete structure layer is integrally formed, and longitudinal connecting holes are respectively provided in the upper hanging ear and the lower hanging ear. 5 . The external wall panel according to claim 4 , wherein the number of the upper hanging lugs is plural, and they are evenly distributed laterally on a horizontal plane of the inner wall of the inner concrete structure layer. 6 . 6 . The external wall panel according to claim 4 , wherein the number of the lower hanging lugs is plural, and they are evenly distributed laterally on a horizontal plane of the inner wall of the inner concrete structure layer. 7 .

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