CN218541094U - Sandwich heat-insulating wall body connecting piece without heat bridge - Google Patents

Abstract

The utility model relates to a sandwich thermal insulation wall does not have heat bridge connecting piece, its structure includes the connector that forms by the unanimous connecting plate connection of a plurality of length direction, the connector divide into the intermediate part and is located the connecting portion at intermediate part both ends connecting portion are provided with a plurality of wing teeth, wing tooth is located on the side of connecting plate. The wing teeth are a plurality of short teeth or a long tooth which are distributed at intervals. The cross section of the connector is in a cross shape, a T shape, a meter shape, an I shape or a U shape. The utility model discloses simple structure, convenient to use can improve the efficiency of construction of wall body, and the anchor is firm between the page or leaf wall, can guarantee sandwich thermal insulation wall's joint strength, can effectively avoid the heat bridge effect, have guaranteed sandwich thermal insulation wall's thermal insulation performance.

Description

Sandwich insulation wall without thermal bridge connectors

technical field

The utility model relates to a sandwich heat-preservation wall, in particular to a heat-bridge-free connector for a sandwich heat preservation wall.

Background technique

With the improvement of building energy-saving requirements, the insulation layer of buildings is getting thicker and thicker, especially for ultra-low energy buildings. The thickness of the insulation layer is much higher than that of ordinary buildings, which can reach 200mm-300mm. On the other hand, with the improvement of building fire protection requirements, thin plaster insulation systems have gradually withdrawn from the market, and the use of sandwich insulation walls has continued to increase.

Sandwich insulation walls are usually composed of inner and outer walls with an insulation layer in between. The existing sandwich thermal insulation wall technology usually uses cross-piercing steel bars to penetrate the thermal insulation layer and then connect the inner and outer leaf walls. This method makes the steel bars penetrate the insulation layer. Due to the high thermal conductivity of the steel bars, it is easy to form a thermal bridge. When the thickness of the insulation layer is larger, the thermal bridge will be more obvious, which is very unfavorable for the energy saving of ultra-low energy consumption buildings. On the other hand, since the diameter of the steel bar usually cannot be made too large, when the inner and outer leaf walls are connected by the cross-piercing steel bar, the binding method is used to connect the cross-piercing steel bar and the wall reinforcement, which makes the connection strength between the two side walls limited, affecting the overall structural performance of the wall.

At present, there is a corresponding improvement plan for the connection method of the page wall passing through the steel bar, mainly to wrap the heat insulating material outside the steel bar, but the thickness of the heat insulating material is limited, which cannot solve the thermal bridge problem well, and the anchorage strength of the heat insulating material and the page wall It is much lower than the steel bar directly anchored to the wall. This method will further reduce the connection strength between the two sides of the wall, and there are certain hidden dangers in the arrangement. Another common method is to directly use glass fiber reinforced plastics to make rod-shaped cross-piercing connectors , although this method can reduce the thermal bridge effect, the strength of the rod-shaped connector is limited. When dealing with a sandwich wall with a thick insulation layer, the overall strength is low, and it is difficult to anchor firmly with the page wall, which is difficult to meet the safety requirements. Therefore, it is necessary to develop a new sandwich insulation wall technology to improve the overall thermal performance and structural performance of the sandwich insulation wall.

Utility model content

The purpose of this utility model is to provide a sandwich insulation wall without a thermal bridge connector to solve the problems of poor connection strength, weak connection with the page wall and inability to solve the thermal bridge effect of the existing sandwich insulation wall connector.

The utility model is realized in the following way: a heat-preserving wall without a heat bridge connector, comprising a connecting body formed by connecting several connecting plates with the same length and direction, the connecting body is divided into a middle part and two ends of the middle part The connecting part is provided with several wing teeth, and the wing teeth are located on the side of the connecting plate.

Further, the wing teeth are several short teeth distributed at intervals or one long tooth.

Further, the cross-section of the connecting body is "ten", "T", "m", "I" or "U".

Further, the wing teeth are trapezoidal, triangular or rectangular.

Further, the connecting body is made of glass fiber reinforced plastic, carbon fiber composite material or polymer composite material.

Further, the length of the connection part at one end is greater than the length of the connection part at the other end.

The utility model is composed of a plurality of connecting plates to form a connecting body, the middle part of the connecting body is pierced on the insulation layer, and the connecting parts at both ends of the connecting body are implanted into the page walls on both sides of the insulation layer, so that the insulation layer and the pages on both sides The walls are connected as a whole. Since the connecting body is made of composite material with high strength and low thermal conductivity, it has a good heat insulation effect and can effectively avoid the formation of thermal bridges. At the same time, the connecting body formed by connecting the connecting plates has strong connection strength. The wing teeth arranged on the side of the connecting plate are embedded in the concrete of the leaf wall, which can effectively ensure the firm connection between the connecting part of the connecting body and the leaf wall, and prevent the connecting body and the leaf wall from being separated from each other. At the same time, the connecting body of this structure is easy to use. Before pouring the page wall, pass the connecting body through the corresponding position of the insulation layer and adjust the exposed length of the connecting parts at both ends, and then directly pour the page wall.

The utility model has the advantages of simple structure and convenient use, and is firmly anchored with the leaf wall, can ensure the connection strength of the sandwich heat preservation wall, and can effectively avoid the thermal bridge effect.

Description of drawings

Fig. 1 is a structural diagram of the first embodiment of the utility model.

Fig. 2 is a structural diagram of the second embodiment of the utility model.

Fig. 3 is a structural diagram of the third embodiment of the utility model.

Fig. 4 is a structural diagram of the fourth embodiment of the utility model.

Fig. 5 is a schematic view of the utility model installed on a sandwich insulation wall.

In the figure: 1. connecting body; 2. connecting plate; 3. wing tooth; 1-1, middle part; 1-2, connecting part; 4. insulation layer; 5. page wall.

Detailed ways

As shown in Figures 1 to 4, the utility model includes a connecting body 1, which is composed of a plurality of elongated connecting plates 2, and the connecting plates 2 have the same length direction and are connected to each other or sequentially connected to form corresponding shapes. The connecting body 1 is divided into a middle part 1-1 and a connecting part 1-2 located at both ends of the middle part 1-1. Several wing teeth 3 are arranged on the connecting part 1-2, and the wing teeth 3 are located on the side of the connecting plate 2. The wing teeth 3 protrude from the edge of the connecting plate 2 .

Wherein, the wing tooth 3 has multiple structures, as shown in Figure 1 and Figure 2, the wing tooth 3 can be several short teeth distributed at intervals, and a plurality of short teeth are arranged along the side of the connecting plate 2; 3, the wing tooth 3 can also be a long tooth, and the length of the long tooth is consistent with the length of the connecting portion 1-2.

Because in practice, the thickness of the leaf wall 5 on both sides of the sandwich thermal insulation wall is inconsistent, the leaf wall 5 on one side is thicker and the thickness of the leaf wall 5 on the other side is thinner, so the length of the connecting part 1-2 at one end of the connecting body 1 is greater than The length of the connecting part 1-2 at the other end. The length or number of wing teeth 3 is determined according to the length of the connecting portion 1-2, but at least one wing tooth 3 is provided at one end of each connecting plate 2 .

Wherein, the wing tooth 3 may be in the shape of trapezoid, triangle or rectangle.

The cross section of the connecting body 1 formed by the connecting plate 2 has various shapes. The cross section of the connecting body 1 can be in the shape of "ten", "T", "m", "I" or "U". As shown in FIG. 1 and FIG. 3 , one side of four connecting plates 2 is connected together, and adjacent connecting plates 2 are perpendicular to each other, forming a “cross”-shaped structure. As shown in FIG. 2 and FIG. 4 , one side of the three connecting plates 2 is connected together, and the adjacent connecting plates 2 are perpendicular to each other, forming a "T"-shaped structure. It is also possible to set an inclined connecting plate 2 on the basis of the "ten"-shaped structure, thereby forming a "meter"-shaped structure. Three connecting plates 2 can be connected in turn to form a "U"-shaped structure, or a connecting plate 2. Both sides are respectively connected with the board surface of the connection board 2 to form an "I"-shaped structure. After a plurality of connecting plates 2 are connected to form a corresponding shape, the cross-sectional area of the connecting plates 2 is smaller than that of the cylindrical connecting piece, but its structural strength is much greater than that of the cylindrical connecting piece.

Wherein, the connecting body 1 is made of composite materials with high strength and low thermal conductivity such as glass fiber reinforced plastics, carbon fiber composite materials or polymer composite materials. The connecting plates 2 are connected together by bonding or integral molding.

As shown in Figure 5, when carrying out the construction of the sandwich insulation wall, after the insulation layer 4 is installed, the connector 1 of the present utility model is passed through the insulation layer 4, and the middle part 1-1 is connected on the insulation layer 4. The connecting part 1-2 is exposed on both sides of the insulation layer 4, and then the pouring of the page walls 5 on both sides is carried out, and the sandwich insulation wall is formed after the pouring is completed.

Since the connecting parts 1-2 at both ends of the connecting body 1 are implanted into the leaf walls 5 on both sides of the heat insulating layer 4, the heat insulating layer 4 and the leaf walls 5 on both sides are connected as a whole. Since the connecting body 1 is made of a composite material with high strength and low thermal conductivity, the connecting body 1 has a good heat insulation effect and can effectively avoid the formation of thermal bridges, thereby ensuring the thermal insulation performance of the wall. The connecting body 1 formed by connecting the connecting plates 2 forms a special structural shape, and has stronger connection strength than the existing cylindrical connecting pieces.

The wing teeth 3 located on the side of the connecting plate 2 are embedded in the concrete of the leaf wall 5, which can effectively ensure the firm connection between the connecting part 1-2 of the connecting body 1 and the leaf wall 5, and prevent the connection between the connecting body 1 and the leaf wall 5. They are separated from each other, and the anchored connection can be directly formed by directly pouring the page wall 5, which greatly simplifies the installation of the connecting body 1 and the construction process of the wall.

The utility model is simple in structure, easy to use, can improve the construction efficiency of the wall body, is anchored firmly with the page wall 5, can ensure the connection strength of the sandwich heat preservation wall, can effectively avoid the thermal bridge effect, and ensures the safety of the sandwich heat preservation wall. Insulation performance.

Claims (6)

1. A sandwich insulation wall without thermal bridge connector, characterized in that it comprises a connecting body formed by connecting several connecting plates with the same length direction, and the connecting body is divided into a middle part and a connecting part positioned at two ends of the middle part , the connecting portion is provided with several wing teeth, and the wing teeth are located on the side of the connecting plate. 2. The thermal bridge-free connector for a sandwich thermal insulation wall according to claim 1, characterized in that, the wing teeth are several short teeth distributed at intervals or one long tooth. 3. The sandwich insulation wall without thermal bridge connector according to claim 1, characterized in that, the cross-section of the connector is "ten", "T", "m", "I" ” or “U” font. 4. The heat-insulating wall without thermal bridge connector according to claim 1, characterized in that, the wing teeth are trapezoidal, triangular or rectangular. 5. The thermal bridge-free connector for a sandwich thermal insulation wall according to claim 1, wherein the connector is made of glass fiber reinforced plastic, carbon fiber composite material or polymer composite material. 6 . The thermal bridge-free connector for a sandwich thermal insulation wall according to claim 1 , wherein the length of the connecting portion at one end is greater than the length of the connecting portion at the other end. 7 .

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