CN217580802U

CN217580802U - Prefabricated non-bearing outer wall structure of assembled area heat preservation

Info

Publication number: CN217580802U
Application number: CN202221391597.3U
Authority: CN
Inventors: 蒋金坤; 周振毓
Original assignee: Jiangsu Artman Group Architectural Design Co ltd
Current assignee: Jiangsu Artman Group Architectural Design Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-10-14
Anticipated expiration: 2032-06-01

Abstract

The utility model relates to a prefabricated non-bearing outer wall structure of heat preservation is taken to assembled belongs to the assembly type building structure field, and it includes the outer wall body, and the internal embedded bar that is equipped with of outer wall, the outer wall body include interior leaf wall layer, heat preservation and outer leaf wall layer, and interior leaf wall layer and outer leaf wall layer butt respectively in the both sides of heat preservation, are equipped with a plurality of heated boards in the heat preservation, and are adjacent be equipped with truss connection spare between the heated board, truss connection spare's the equal protrusion in the aspect of heat preservation and stretch into in interior leaf wall layer and the outer leaf wall in situ. The end parts of the truss connecting pieces extend into the inner leaf wall layer and the outer leaf wall layer, so that the inner leaf wall layer, the heat insulation layer and the outer leaf wall layer are connected, and the connection strength among all the layers of the whole outer wall body is improved; the truss connecting piece is arranged between the adjacent heat-insulation boards, so that the generation of cold and hot bridges of the building in the heat transfer process is reduced, the heat loss is reduced, the heat-insulation performance of the whole outer wall body is improved, and the energy consumption of the building is reduced.

Description

Prefabricated non-bearing outer wall structure of assembled area heat preservation

Technical Field

The application relates to the field of assembly type building structures, in particular to an assembly type prefabricated non-bearing outer wall structure with a heat insulation layer.

Background

The fabricated building is a building which is formed by transferring a large amount of field construction operation in the traditional construction mode to a prefabrication factory, processing and manufacturing building components and accessories such as floor slabs, wall plates, stairs, balconies and the like in the prefabrication factory, transporting the building components and accessories to a building construction site, and assembling and installing the building components and the accessories on the site in a reliable connection mode. In order to fully exploit the energy-saving potential of the building, the heat-insulating and heat-preserving performance of the outer wall is improved by adopting a proper energy-saving technology, so that the cold and heat loss of the building in the heat exchange process with the outside through the outer wall is reduced as much as possible.

In the related art, the prefabricated outer wall comprises an outer wall layer, a heat insulation layer and an inner wall layer, wherein the heat insulation layer is provided with a fixing piece to enable the heat insulation layer to be connected with the outer wall layer and the inner wall layer. However, when the building exchanges heat with the outside in the mode, cold and hot bridges are easily generated at the positions around the fixing pieces, so that the heat of the building is lost in the transmission process.

SUMMERY OF THE UTILITY MODEL

In order to improve above-mentioned problem, the application provides a prefabricated non-bearing outer wall structure of heat preservation is taken to assembled.

The application provides a pair of prefabricated non-bearing outer wall structure of heat preservation is taken to assembled adopts following technical scheme:

the utility model provides a prefabricated non-bearing outer wall structure of heat preservation is taken to assembled, includes the outer wall body, the internal pre-buried reinforcing bar that is equipped with of outer wall, its characterized in that: the outer wall body includes interior leaf wall layer, heat preservation and outer leaf wall layer, interior leaf wall layer and outer leaf wall layer butt respectively in the both sides of heat preservation, be equipped with a plurality of heated boards in the heat preservation, it is adjacent be equipped with truss connection spare between the heated board, truss connection spare's both ends all protrude in the aspect of heat preservation and stretch into in leaf wall layer and the outer leaf wall in situ.

By adopting the technical scheme, the end parts of the truss connecting pieces extend into the inner leaf wall layer and the outer leaf wall layer, so that the connection among the inner leaf wall layer, the heat insulation layer and the outer leaf wall layer is realized, and the connection strength among all the layers of the whole outer wall body is improved; the truss connecting piece is arranged between the adjacent heat-insulation boards, so that the generation of cold and hot bridges of the building in the heat transfer process is reduced, the heat loss is reduced, the heat-insulation performance of the whole outer wall body is improved, and the energy consumption of the building is reduced.

Preferably, a gap filler is filled between the adjacent insulation boards.

Through adopting above-mentioned technical scheme, the gap filler exists and has reduced the production in gap between the heated board on the one hand, and on the other hand has improved the joint strength and the stability of being connected between the heated board, between heated board and the truss connection spare.

Preferably, the heat insulation plate is a polyurethane heat insulation plate, and the joint mixture is a polyurethane foaming joint mixture.

By adopting the technical scheme, the heat conductivity coefficients of the polyurethane heat-insulating plate and the polyurethane foaming joint mixture are extremely low, so that the heat loss can be greatly reduced, the energy-saving effect of the prefabricated non-bearing outer wall is improved, and the energy consumption of a building is reduced.

Preferably, cast-in-place grooves are formed in the side edges of the outer wall body in the horizontal direction.

Through adopting above-mentioned technical scheme, when transporting to the job site installation after the outer wall body prefabrication is accomplished, align the cast-in-place trench position on two adjacent outer wall bodies to concreting in the cast-in-place trench is favorable to forming reliable connected node between two adjacent outer wall bodies.

Preferably, cast-in-place grooves of two adjacent outer walls form a cast-in-place cavity, and a reinforcing steel bar cage is arranged in the cast-in-place cavity.

By adopting the technical scheme, when the suspended outer wall is installed on a construction site, the cast-in-place groove on the suspended outer wall is aligned with the adjacent cast-in-place groove of the installed outer wall, so that a cast-in-place cavity is formed between the suspended outer wall and the adjacent cast-in-place groove, the reinforcing steel bar cage is placed in the cast-in-place cavity, and a further reliable connection node can be formed between the two adjacent outer walls due to the existence of the reinforcing steel bar cage, so that the installation stability of the outer wall is improved.

Preferably, a cast-in-place beam is arranged between every two adjacent inner leaf wall layers.

By adopting the technical scheme, when the adjacent inner leaf wall layers along the gravity direction are assembled on a construction site, the inner leaf wall layer positioned on the lower layer is firstly installed on the corresponding position, and then the beam component is cast on site, so that the inner leaf wall layer on the lower layer is connected with the cast-in-place beam.

Preferably, the interior of the outer wall body is fixedly connected with embedded steel bars, one side of each embedded steel bar, which is far away from the ground, is fixedly connected with a stretching end, and the stretching end stretches into the cast-in-place beam.

By adopting the technical scheme, the existence of the extending end enables the connection strength between the inner leaf wall layer positioned on the lower layer and the cast-in-place beam to be higher, so that the assembly connection position of the prefabricated assembly type component can form a reliable connection point.

Preferably, one side of the inner leaf wall layer, which faces the cast-in-place beam, is provided with an XPS plate, the two opposite sides of the XPS plate are connected with cement mortar, and the inner leaf wall layer is connected with the cast-in-place beam through the cement mortar.

By adopting the technical scheme, the arrangement of the XPS plate improves the heat preservation and insulation capability of the prefabricated non-bearing outer wall, and reduces the heat loss when the building exchanges heat with the outside; and then, the inner leaf wall layer, the XPS plate and the cast-in-place beam are connected with each other through cement mortar.

Preferably, a PE rod and a building weather-resistant sealant are arranged in a gap between two adjacent outer leaf wall layers.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the heat preservation plates and the truss connecting pieces improves the connection stability between the adjacent heat preservation plates and between each layer in the outer wall body, the heat preservation layer formed by connecting the heat preservation plates can improve the heat preservation and insulation capacity of the outer wall body, and the truss connecting pieces are arranged between the adjacent heat preservation plates to reduce cold and hot bridges generated in the heat transfer process of the building, so that the heat loss of the building is reduced;

2. through the setting of reinforcing bar cage and connecting piece, the existence of reinforcing bar cage makes and can form further reliable connected node between two adjacent outer walls, improves the stability of outer wall body installation, and the existence of connecting piece makes the joint strength who is located between the inner leaf wall layer of lower floor and the cast-in-place roof beam higher to make prefabricated assembled component assembled joint department's connected node more stable.

Drawings

Fig. 1 is a schematic structural diagram of a prefabricated non-load-bearing outer wall integral and truss connection member for embodying an insulation layer in the embodiment of the present application.

Fig. 2 is a schematic diagram of a position for embodying a cast-in-place groove in the embodiment of the present application.

Fig. 3 is a schematic diagram illustrating a position relationship of a reinforcement cage in a cast-in-place cavity according to an embodiment of the present application.

Fig. 4 is a schematic diagram illustrating the positions and connections between the XPS board and the cast-in-place beam in the embodiment of the present application.

Description of reference numerals: 1. an outer wall body; 11. an inner leaf wall layer; 12. a heat-insulating layer; 13. an outer leaf wall layer; 2. a thermal insulation board; 21. a close-fitting part; 3. a truss attachment; 31. a reciprocating bending member; 311. bending the part; 32. a direct connection piece; 4. a cast-in-place trough; 41. casting a cavity in situ; 51. an extension end; 6. casting a beam in situ; 7. XPS plates; 8. cement mortar; 9. and (4) reinforcing the reinforcement cage.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses prefabricated non-bearing outer wall structure of assembled area heat preservation, as shown in fig. 1, including outer wall body 1, outer wall body 1 includes interior leaf wall layer 11, heat preservation 12 and outer leaf wall layer 13, and interior leaf wall layer 11 and outer leaf wall layer 13 butt respectively in the both sides of heat preservation 12, through setting up heat preservation 12 between interior leaf wall layer 11 and outer leaf wall layer 13, improve the thermal-insulated ability of heat preservation of prefabricated non-bearing outer wall.

As shown in fig. 1, all be equipped with embedded bar in interior leaf wall layer 11 and the outer leaf wall layer 13, heat preservation 12 includes a plurality of heated boards 2, and in this embodiment, heated board 2 chooses for use polyurethane heated board 2. The heat insulation plates 2 are connected in a straight joint mode, the truss connecting pieces 3 are connected between the adjacent heat insulation plates 2, each truss connecting piece 3 comprises a reciprocating bending piece 31 and a straight connecting piece 32, and the reciprocating bending pieces 31 and the straight connecting pieces 32 are made of steel bars; the straight connecting piece 32 is welded with the reciprocating bending piece 31, so that a plurality of triangular structures are formed on the truss connecting piece 3, and the stability of the truss connecting piece 3 is improved. When prefabricating, the templates used for casting the outer leaf wall layer 13 are assembled, then the embedded steel bars are placed in the outer She Qiangceng, and then concrete is cast. The bending part 311 of the reciprocating bending piece 31 close to one side of the outer leaf wall layer 13 protrudes out of the surface of the heat insulation board 2 and extends into the cement mortar 8 of the outer leaf wall layer 13, so that the connection relationship between the truss connecting piece 3 and the outer leaf wall layer 13 is established. And then sequentially laying the heat insulation plates 2 on the outer leaf wall layer 13 and placing the truss connecting members 3. After the laying is finished, gap filling agents are filled in gaps between the adjacent heat insulation plates 2, and the gap filling agents are polyurethane foaming gap filling agents. The joint mixture makes the joint strength between adjacent heated board 2 higher on the one hand, and on the other hand can reduce the gap that produces greatly between the heated board 2, improves the heat preservation and insulation ability of heat preservation 12.

As shown in fig. 2, 3 and 4, before the inner leaf wall layer 11 is poured, cast-in-place grooves 4 are formed on two opposite sides of the inner leaf wall layer 11 in the horizontal direction by adjusting the position of a template used for pouring. The bending part 311 of the reciprocating bending piece 31 on the side far away from the outer leaf wall layer 13 protrudes out of the surface of the heat insulation board 2 facing the inner leaf wall layer 11, and after concrete is poured, the truss connecting piece 3 and the inner leaf wall layer 11 are connected. The truss connection member 3 can greatly improve the connection strength between the outer lobe wall layer 13, the insulating layer 12 and the inner lobe wall layer 11.

As shown in fig. 2 and 3, the cast-in-place groove 4 of the suspended outer wall 1 is spliced with the adjacent cast-in-place groove 4 of the installed outer wall 1, a cast-in-place cavity 41 is formed after the two cast-in-place grooves 4 are spliced, a reinforcing steel bar cage 9 is arranged in the cast-in-place cavity 41, and the reinforcing steel bar cage 9 needs to be fixed on the upper edge of the lower outer wall 1 before the outer wall 1 is hoisted. The part integrated into one piece that heated board 2 is located cast-in-place groove 4 has close piece 21, and two adjacent close piece 21 direct contacts, when pouring concrete in cast-in-place chamber 41, close piece 21 and cast-in-place chamber 41's chamber wall can directly regard as the template of pouring to use, has reduced the process that extra formwork was pour, has improved the efficiency of construction of the equipment of the prefabricated non-bearing outer wall of job site.

As shown in fig. 4, embedded steel bars are arranged in the inner leaf wall layer 11 along the gravity direction, and an extending end 51 is integrally formed on one side of the embedded steel bars protruding out of the inner leaf wall layer 11 and far away from the ground. The inner leaf wall layer 11 of the outer wall body 1 positioned on the lower layer is connected with a cast-in-place beam 6 poured on the construction site, and the extension end 51 extends into the cast-in-place beam 6, so that the connection stability between the prefabricated non-bearing outer wall and the cast-in-place beam 6 can be greatly improved. One side of the inner leaf wall layer positioned on the upper layer and facing the cast-in-place beam is connected with an XPS plate 7, one side of the XPS plate 7, which is deviated from the inner leaf wall layer 11, is directly attached to the cast-in-place beam 6, and the arrangement of the XPS plate 7 can further improve the heat preservation and insulation capacity of the outer wall body 1 and reduce the heat loss when the building exchanges heat with the outside. The inner leaf wall layer 11, the cast-in-place beam 6 and the XPS plate 7 are mutually connected through cement mortar 8, so that a further reliable connection point can be formed among prefabricated parts, and the connection strength is improved. Foamed polyethylene is filled in gaps between the heat insulation layers 12 of the two adjacent layers of the outer wall 1, meanwhile, PE rods are placed in the gaps between the two adjacent layers of the outer leaf wall layers 13, the length direction of the PE rods is consistent with the length direction of the gaps between the adjacent outer leaf walls 13, and then the gaps are filled through building weather-resistant sealant.

The embodiment of the application provides an implementation principle of prefabricated non-bearing outer wall structure of assembled area heat preservation does:

the heat preservation layer 12 formed by mutually connecting the polyurethane heat preservation plates 2 is arranged between the outer leaf wall layer 13 and the inner leaf wall layer 11, the heat preservation and heat insulation performance of the prefabricated non-bearing outer wall is improved, and the truss connecting pieces 3 are arranged between the heat preservation plates 2, so that the generation of cold and hot bridges is reduced. A mode of placing a reinforcing steel bar cage 9 in the cast-in-place cavity 41 and pouring concrete is adopted, so that reliable connection nodes can be established among the external walls 1; the extension end 51 is extended into the cast-in-place beam 6, so that a more reliable connection point is established between the prefabricated parts on the upper layer and the lower layer and the cast-in-place part, the heat preservation and insulation capacity of the prefabricated non-bearing external wall is improved, and the connection strength of the prefabricated non-bearing external wall is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a prefabricated non-bearing outer wall structure of heat preservation is taken to assembled, includes outer wall body (1), be equipped with embedded bar in outer wall body (1), its characterized in that: outer wall body (1) is including inner leaf wall layer (11), heat preservation (12) and outer leaf wall layer (13), inner leaf wall layer (11) and outer leaf wall layer (13) butt respectively in the both sides of heat preservation (12), be equipped with a plurality of heated boards (2) in heat preservation (12), it is adjacent be equipped with truss connection spare (3) between heated board (2), the equal protrusion in the aspect of heat preservation (12) in both ends of truss connection spare (3) just stretches into in inner leaf wall layer (11) and outer leaf wall layer (13).

2. The fabricated non-load-bearing external wall structure with the insulating layer according to claim 1, wherein: and joint mixture is filled between the adjacent heat insulation plates (2).

3. The prefabricated non-bearing external wall structure with the insulating layer according to claim 2, characterized in that: the heat insulation board (2) is a polyurethane heat insulation board (2), and the gap filler is a polyurethane foaming gap filler.

4. The fabricated non-load-bearing external wall structure with the insulating layer according to claim 1, wherein: cast-in-place grooves (4) are formed in the side edges of the outer wall body (1) in the horizontal direction.

5. The fabricated non-bearing external wall structure with the insulating layer according to claim 4, wherein: cast-in-place grooves (4) of two adjacent outer walls (1) form cast-in-place cavities (41), and reinforcing steel bar cages (9) are arranged in the cast-in-place cavities (41).

6. The fabricated non-load-bearing external wall structure with the insulating layer according to claim 1, wherein: a cast-in-place beam (6) is arranged between every two adjacent inner leaf wall layers (11).

7. The fabricated non-load-bearing external wall structure with the insulating layer according to claim 6, wherein: fixedly connected with embedded bar in the outer wall body (1), one side fixedly connected with that embedded bar is far away from ground stretches out end (51), stretch out end (51) and stretch into in cast-in-place roof beam (6).

8. The fabricated non-load-bearing external wall structure with the insulating layer according to claim 6, wherein: one side of the inner leaf wall layer (11) towards the cast-in-place beam (6) is provided with an XPS plate (7), two opposite sides of the XPS plate (7) are connected with cement mortar (8), and the inner leaf wall layer (11) is connected with the cast-in-place beam (6) through the cement mortar (8).

9. The fabricated non-load-bearing external wall structure with the insulating layer according to claim 1, wherein: and a PE rod and a building weather-resistant sealant are arranged in a gap between the two adjacent outer leaf wall layers (13).