CN219451157U - Crack-free outer wall node structure and construction system - Google Patents

Abstract

The utility model relates to a crack-free outer wall node structure and a construction system, and the crack-free outer wall node structure comprises two inner wall units, a post-cast wall unit and an anti-cracking unit, wherein the two inner wall units are oppositely arranged; the post-pouring wall body unit is arranged between the two inner wall units; the anti-cracking units are respectively connected with the two inner wall units and the post-cast wall unit, and are respectively embedded into the two inner wall units and are arranged to cover the two inner wall units. The method has the advantages that the groove elements are arranged on the inner wall units, the anti-cracking units are arranged at the intersections of the inner wall units and the post-pouring wall units, the anti-cracking performance of the joints of the inner wall units and the post-pouring wall units is enhanced, and the problem that the joints of the prefabricated wall and the cast-in-situ wall are easy to crack in the construction joint facing layer, so that the later maintenance cost is increased is solved.

Description

Crack-free outer wall node structure and construction system

Technical Field

The utility model relates to the technical field of building precast slab assembly construction, in particular to a crack-free outer wall node structure and a construction system.

Background

The assembled building is characterized by standardized design, factory production, assembled construction, integrated decoration and informatization management by taking factory prefabrication production and field assembly of components as modes, and integrates various business fields of research and development design, production and manufacture, field assembly and the like, thereby realizing a novel building production mode of sustainable development of building products with energy conservation, environmental protection and maximized full cycle value.

The connection between the components of the assembled building takes cast-in-situ nodes as the main, and the reinforcing steel bars of the prefabricated PC components extend into the cast-in-situ components to be anchored and connected, so that the integrity of the house is ensured, and compared with the assembled large-plate structure, the quality is obviously improved.

In the assembled concrete outer wall structure, adjacent prefabricated walls are connected through vertical cast-in-situ nodes to form a whole. In the existing mainstream construction method, rough surfaces at the joint of the prefabricated wall body and the cast-in-situ wall body are manufactured by adopting patterned steel plates, so that the roughness is poor, the adhesion with the cast-in-situ wall body is poor, and the cracking resistance of the structural base layer is poor; the joint of the prefabricated wall body and the cast-in-situ wall body is provided with a construction joint, so that the finishing layer is very easy to generate cracks in actual engineering, and the building quality is influenced.

At present, aiming at the problems that the cracking resistance of a structural base layer is poor, and the later maintenance cost is increased due to the fact that a rough surface at the junction of a prefabricated wall body and a cast-in-situ wall body is poor due to the fact that a patterned steel plate is adopted for the rough surface in the related art, and the construction joint facing layer is easy to crack at the junction of the prefabricated wall body and the cast-in-situ wall body, an effective solution is not proposed.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a crack-free outer wall node structure and a construction system, so as to solve the problems that in the related art, the rough surface at the junction of a prefabricated wall body and a cast-in-situ wall body adopts a patterned steel plate to be made into a bonding property which is poor, so that the crack resistance of a structural base layer is poor, and the joint of the prefabricated wall body and the cast-in-situ wall body is easy to crack to generate a construction joint finishing layer, so that the later maintenance cost is high.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

in a first aspect, there is provided a crack-free exterior wall node construction comprising:

the two inner wall units are oppositely arranged;

the post-pouring wall body unit is arranged between the two inner wall units;

the anti-cracking unit is respectively connected with the two inner wall units and the post-cast wall unit, and is respectively embedded into the two inner wall units and is arranged to cover the two inner wall units.

In some of these embodiments, the interior wall unit comprises:

an inner wall element connected with the post-cast wall unit;

and the groove element is arranged on the outer surface of the inner wall element and is connected with the crack-resistant unit.

Further, in some embodiments thereof, the interior wall unit further comprises:

the structure reinforcing elements are fixed on one side, close to the post-pouring wall body unit, of the inner wall element at intervals along the vertical direction and are connected with the post-pouring wall body unit.

In some of these embodiments, the crack resistant unit includes:

the bonding element is arranged on the outer surfaces of the inner wall unit and the post-pouring wall unit;

the two first anti-cracking elements are respectively arranged at the connection parts of the post-cast wall units and the corresponding inner wall units and are connected with the bonding elements;

the filling element is respectively connected with the first anti-cracking element, the inner wall unit and the post-pouring wall unit, and the outer surface of the filling element is coplanar with the outer surface of the inner wall unit;

the two second anti-cracking elements are respectively arranged at the joint of the filling element and the corresponding inner wall unit and are respectively connected with the filling element and the corresponding inner wall unit.

Further, in some embodiments thereof, the crack-free exterior wall node construction further comprises:

the facing unit is arranged on the inner sides of the inner wall unit and the anti-cracking unit and is respectively connected with the inner wall unit and the anti-cracking unit;

and the two outer wall units are arranged on the outer sides of the inner wall unit and the post-cast wall unit and are respectively connected with the corresponding inner wall unit and the post-cast wall unit.

In some of these embodiments, the finishing unit comprises:

the leveling element is arranged on the inner sides of the inner wall unit and the anti-cracking unit and is respectively connected with the inner wall unit and the anti-cracking unit;

and the facing element is arranged on the inner side of the leveling element and is connected with the leveling element.

In some of these embodiments, the exterior wall unit comprises:

the outer wall element is arranged on the outer sides of the corresponding inner wall unit and the post-cast wall unit and is respectively connected with the corresponding inner wall unit and the post-cast wall unit;

the heat preservation element is embedded into the outer wall element, and is respectively connected with the outer wall element and the corresponding inner wall unit.

Still further, in some embodiments thereof, the crack-free exterior wall node construction further comprises:

the sealing units are arranged between the two outer wall units and are respectively connected with the post-pouring wall units and the two outer wall units.

In some of these embodiments, the sealing unit comprises:

the connecting element is arranged between the outer wall unit and the post-pouring wall unit and is respectively connected with the outer wall unit and the post-pouring wall unit;

and the sealing element is arranged between the two outer wall units.

In a second aspect, there is provided a crack-free exterior wall node construction system, comprising:

the crack-free exterior wall node construction of the first aspect;

the mounting structure is arranged on the inner side of the crack-free outer wall node structure and detachably connected with the crack-free outer wall node structure, and is used for mounting the crack-free outer wall node structure.

In some of these embodiments, the mounting configuration comprises:

the template unit is arranged on the inner side of the crack-free outer wall node structure along the vertical direction and is detachably connected with the crack-free outer wall node structure;

the support unit is obliquely arranged between the crack-free outer wall node structure and the floor and is detachably connected with the crack-free outer wall node structure.

Compared with the prior art, the utility model has the following technical effects:

according to the crack-free outer wall node structure and the construction system, the groove elements are arranged on the inner wall units, the crack-resistant units are arranged at the intersections of the inner wall units and the post-cast wall units, so that the crack resistance of the joints of the inner wall units and the post-cast wall units is enhanced, and then the facing units are smeared on the inner side surfaces of the inner wall units and the crack-resistant units, so that the problem that the construction joint facing layers are extremely easy to crack at the joints of the prefabricated wall and the cast-in-situ wall, and the later maintenance cost is increased is solved; the interface between the inner wall unit and the post-pouring wall unit adopts the method of washing the face with exposed bone material, thereby enhancing the binding force of the structural base layer and solving the problem of poor cracking resistance of the structural base layer caused by poor binding property of the rough surface at the interface between the prefabricated wall and the cast-in-situ wall by adopting the patterned steel plate.

Drawings

FIG. 1 is a cross-sectional view of a crack-free exterior wall node construction according to an embodiment of the utility model;

FIG. 2 is a schematic view of an interior wall unit according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an anti-crack unit according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a finishing unit according to an embodiment of the utility model;

FIG. 5 is a schematic view of an exterior wall unit according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a sealing unit according to an embodiment of the utility model;

FIG. 7 is a schematic diagram of a crack-free exterior wall node construction system according to an embodiment of the present utility model;

fig. 8 is a schematic view of a mounting configuration according to an embodiment of the present utility model.

Wherein the reference numerals are as follows: 100. constructing a crack-free outer wall node;

110. an inner wall unit; 111. an inner wall element; 112. a trough member, 113, a structural reinforcement member;

120. post-pouring a wall unit;

130. an anti-crack unit; 131. a bonding element; 132. a first crack resistant element; 133. a filler element; 134. a second crack resistant element;

140. a facing unit; 141. A leveling element; 142. A facing element;

150. an outer wall unit; 151. An exterior wall element; 152. A thermal insulation element;

160. a sealing unit; 161. A connecting element; 162. A sealing member;

200. a mounting structure;

210. a template unit;

220. and a supporting unit.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

Example 1

The embodiment relates to a crack-free outer wall node structure.

An exemplary embodiment of the present utility model, as shown in fig. 1, is a crack-free exterior wall node construction 100, comprising two interior wall units 110, a post-cast wall unit 120, and a crack-resistant unit 130. Wherein, the two inner wall units 110 are oppositely arranged; the post-cast wall units 120 are disposed between the two inner wall units 110; the crack-resistant units 130 are respectively connected with the two inner wall units 110 and the post-cast wall unit 120, and the outer surfaces of the crack-resistant units 130 are coplanar with the outer surfaces of the inner wall units 110.

The distance between the two inner wall units 110 is equal to or more than 300mm.

In some of these embodiments, the distance between the two interior wall units 110 is 500mm.

The post-cast wall unit 120 is a plate structure.

The post-cast wall units 120 have a height equal to the height of the inner wall units 110.

The thickness of the post-cast wall unit 120 is equal to or more than 150mm.

In some of these embodiments, the post-cast wall element 120 has a thickness of 190mm.

The width of the cross section of the post-cast wall unit 120 is equal to the distance between the two inner wall units 110.

In some of these embodiments, the width of the cross section of the post-cast wall unit 120 is 500mm.

In some of these embodiments, post-cast wall element 120 is a cast-in-place concrete wall.

As shown in fig. 2, the interior wall unit 110 includes an interior wall member 111 and a groove member 112. Wherein the inner wall element 111 is connected with the post-cast wall unit 120; the groove member 112 is provided at the outer surface of the inner wall member 111 and is connected to the crack prevention unit 130.

The interior wall element 111 is connected to the post-cast wall element 120 in a manner that faces the face of the exposed aggregate.

The inner wall element 111 is a plate structure.

The thickness of the inner wall element 111 is equal to or greater than the thickness of the post-cast wall element 120.

Specifically, the inner wall element 111 is constituted by a first inner wall and a second inner wall. Wherein the second inner wall is disposed at one side of the first inner wall, the groove element 112 is disposed at the outer side of the second inner wall, and the second inner wall is connected with the post-cast wall unit 120.

Wherein the thickness of the second inner wall is smaller than that of the first inner wall, and the thickness of the second inner wall is equal to that of the post-cast wall unit 120.

In some of these embodiments, the maximum thickness of the interior wall element 111 is 200mm.

In some of these embodiments, the first interior wall has a thickness of 200mm and the second interior wall has a thickness of 190mm.

The height of the inner wall element 111 is equal to the height of the post-cast wall unit 120.

In some of these embodiments, the interior wall element 111 is a precast concrete wall.

A trough member 112 is disposed through the outer surface of the inner wall member 111.

The trough member 112 is rectangular in cross-section.

The thickness of the cross section of the trough member 112 is the difference between the thickness of the inner wall member 111 and the thickness of the post-cast wall unit 120.

In some of these embodiments, the cross-section of the trough member 112 has a thickness of 10mm.

In some of these embodiments, the width of the cross section of the trough member 112 is greater than or equal to 100mm and less than or equal to 1/2 of the distance between the two interior wall units 110.

In some of these embodiments, the width of the cross section of the trough member 112 is 150mm.

Further, the interior wall unit 110 further includes a number of structural reinforcing elements 113. The plurality of structural reinforcement elements 113 are fixed to one side of the inner wall element 111, which is close to the post-cast wall unit 120, at intervals in the vertical direction, and are connected with the post-cast wall unit 120.

The structural reinforcing member 113 is embedded inside the interior wall member 111.

The height of the inner wall elements 111 is dmm and the number of structural reinforcing elements 113 is d/200-1.

The structural reinforcing member 113 is a bent rod structure.

In some of these embodiments, the structural reinforcement element 113 is U-shaped in cross-section. Specifically, the closed end of the structural reinforcement member 113 is disposed inside the interior wall member 111, and the open end of the structural reinforcement member 113 is disposed outside the interior wall member 111.

In some of these embodiments, the thickness of the cross section of the structural reinforcement element 113 is less than the difference between the thickness of the inner wall element 111 and the thickness of the trough element 112.

In some of these embodiments, the cross-section of the structural reinforcing element 113 has a thickness of 120mm.

In some of these embodiments, the structural reinforcing member 113 is at least 1/2 the length of the interior wall member 111.

In some of these embodiments, the length of the cross section of the structural reinforcing element 113 is 200mm.

In some of these embodiments, the stem radius of the structural reinforcing element 113 is 4mm.

In some of these embodiments, the structural reinforcing elements 113 are rebar.

As shown in fig. 3, the crack prevention unit 130 includes a bonding member 131, two first crack prevention members 132, a filling member 133, and two second crack prevention members 134. Wherein the bonding element 131 is arranged on the outer surfaces of the inner wall unit 110 and the post-pouring wall unit 120; the two first anti-cracking elements 132 are respectively arranged at the connection parts of the post-cast wall units 120 and the corresponding inner wall units 110 and are connected with the bonding elements 131; the filling element 133 is connected with the first crack resistant element 132, the inner wall unit 110, the post-cast wall unit 120, respectively, and the outer surface of the filling element 133 is coplanar with the outer surface of the inner wall unit 110; the two second anti-cracking elements 134 are respectively disposed at the junction of the filling element 133 and the corresponding inner wall unit 110, and are respectively connected with the filling element 133 and the corresponding inner wall unit 110.

Specifically, the adhesive member 131 is disposed on the outer surface of the trough member 112; the two first anti-cracking elements 132 are respectively arranged at the connection parts of the post-cast wall units 120 and the corresponding inner wall elements 111; the filler element 133 is connected to the inner wall element 111, and the outer surface of the filler element 133 is coplanar with the outer surface of the inner wall element 111; the two second anti-cracking elements 134 are respectively disposed at the junction of the filling element 133 and the corresponding inner wall element 111, and are respectively connected with the corresponding inner wall element 111.

In some of these embodiments, the bonding element 131 is an interfacial agent layer.

In some of these embodiments, the thickness of the bonding element 131 is 2mm.

The width of the cross-section of the first crack resistant element 132 is at least 2 times the width of the cross-section of the trough element 112.

In some of these embodiments, the width of the cross section of the first crack resistant element 132 is 300mm.

In some of these embodiments, the first crack resistant element 132 is a 3mm high quality gypsum embedded scrim (160 g).

In some of these embodiments, the filler element 133 is adhesively attached to the first crack resistant element 132, the inner wall element 111, and the post-cast wall element 120 by its own materials.

The cross-sectional width of the filler element 133 is twice the sum of the cross-sectional width of the trough element 112 and the cross-sectional width of the post-cast wall.

In some of these embodiments, the cross-sectional width of the filler element 133 is 800mm.

In some of these embodiments, the filler element 133 is 5mm high strength gypsum.

In some of these embodiments, the second crack resistant element 134 is bonded to the filler element 133, the inner wall element 111 by an interface agent.

The width of the cross-section of the second crack resistant element 134 is greater than the width of the cross-section of the first crack resistant element 132.

In some of these embodiments, the cross-sectional width of the second anti-crack element 134 is 450mm.

In some of these embodiments, the second crack resistant element 134 is a 3mm high quality gypsum embedded scrim (160 g).

Further, the crack-free exterior wall node construction 100 further includes a finishing unit 140. The facing unit 140 is disposed inside the inner wall unit 110 and the anti-cracking unit 130, and is connected to the inner wall unit 110 and the anti-cracking unit 130, respectively.

As shown in fig. 4, the facing unit 140 includes a leveling element 141 and a facing element 142. The leveling element 141 is disposed inside the inner wall unit 110 and the anti-cracking unit 130, and is connected to the inner wall unit 110 and the anti-cracking unit 130 respectively; the facing element 142 is disposed inside the leveling element 141 and is coupled to the leveling element 141.

Specifically, the leveling element 141 is disposed inside the inner wall element 111 and the second cracking element 134, and is connected to the inner wall element 111 and the second cracking element 134, respectively.

In some of these embodiments, the leveling element 141 is adhesively attached to the inner wall element 111, the second crack resistant element 134 by its own material.

The width of the cross section of the leveling element 141 is the sum of the width of the two inner wall elements 111 and the width of the post-cast wall unit 120.

In some of these embodiments, the leveling element 141 is an interior wall putty.

The width of the cross section of the facing element 142 is equal to the width of the cross section of the leveling element 141.

In some of these embodiments, the facing element 142 is a wall covering including, but not limited to, paint.

Still further, the crack-free exterior wall node construction 100 further includes two exterior wall units 150. The two outer wall units 150 are disposed outside the inner wall unit 110 and the post-cast wall unit 120, and are respectively connected to the corresponding inner wall unit 110 and post-cast wall unit 120.

As shown in fig. 5, the exterior wall unit 150 includes an exterior wall element 151 and a heat insulating element 152. The outer wall elements 151 are disposed outside the corresponding inner wall units 110 and post-cast wall units 120, and are respectively connected with the corresponding inner wall units 110 and post-cast wall units 120; the heat insulating member 152 is embedded in the exterior wall member 151 and is connected to the exterior wall member 151 and the corresponding interior wall unit 110, respectively.

Specifically, the outer wall elements 151 are disposed outside the corresponding inner wall elements 111 and are connected to the corresponding inner wall elements 111; the insulating member 152 is connected with the corresponding inner wall member 111.

In some of these embodiments, the exterior wall element 151 is secured to the outside of the interior wall element 111 by means including, but not limited to, adhesive, anchoring.

In some of these embodiments, the exterior wall element 151 is a prefabricated exterior wall panel.

In some of these embodiments, the insulating element 152 is secured between the inner wall element 111 and the outer wall element 151 by means including, but not limited to, glue, anchoring.

In some of these embodiments, insulating element 152 is an insulating plate.

Further, the crack-free exterior wall node construction 100 further comprises a sealing unit 160. The sealing unit 160 is disposed between the two outer wall units 150 and is connected to the post-cast wall unit 120 and the two outer wall units 150, respectively.

As shown in fig. 6, the sealing unit 160 includes a connection member 161 and a sealing member 162. The connecting element 161 is arranged between the outer wall unit 150 and the post-cast wall unit 120 and is respectively connected with the outer wall unit 150 and the post-cast wall unit 120; the sealing member 162 is disposed between the two outer wall units 150.

Specifically, the connection member 161 is disposed between the exterior wall member 151 and the post-cast wall unit 120, and is connected to the exterior wall member 151; the sealing member 162 is disposed between the two outer wall members 151.

In some of these embodiments, the connecting element 161 is a 100-width self-adhesive rubber.

In some of these embodiments, the sealing element comprises a first seal and a second seal. Wherein the first sealing members are respectively connected with the two outer wall elements 151; the second seal is connected to the first seal and the two exterior wall elements 151, respectively, with the outer surface of the first seal being coplanar with the outer surface of the exterior wall elements 151.

In some of these embodiments, the first seal is a circular PE rod.

In some of these embodiments, the diameter of the cross section of the first seal is equal to the distance between the two outer wall elements 151.

In some of these embodiments, the second seal is a weather resistant glue.

The utility model has the advantages that the groove element is arranged on the inner wall unit, the anti-cracking unit is arranged at the intersection of the inner wall unit and the post-pouring wall unit, the anti-cracking performance of the connection of the inner wall unit and the post-pouring wall unit is enhanced, and then the facing unit is smeared on the inner side surfaces of the inner wall unit and the anti-cracking unit, so that the problem that the construction joint facing layer is extremely easy to crack at the connection of the prefabricated wall and the cast-in-situ wall, and the later maintenance cost is increased is solved; the interface between the inner wall unit and the post-pouring wall unit adopts the method of washing the face with exposed bone material, thereby enhancing the binding force of the structural base layer and solving the problem of poor cracking resistance of the structural base layer caused by poor binding property of the rough surface at the interface between the prefabricated wall and the cast-in-situ wall by adopting the patterned steel plate.

Example 2

The embodiment relates to a crack-free outer wall node construction system.

An exemplary embodiment of the present utility model, as shown in fig. 7, is a crack-free exterior wall node construction system comprising a crack-free exterior wall node construction 100 and a mounting construction 200 as described in embodiment 1. The mounting structure 200 is disposed inside the crack-free exterior wall node structure 100, and is detachably connected to the crack-free exterior wall node structure 100.

As shown in fig. 8, the mounting structure 200 includes a template unit 210 and a support unit 220. The template units 210 are vertically arranged on two sides of the crack-free outer wall node structure 100 and are detachably connected with the crack-free outer wall node structure 100; the supporting unit 220 is obliquely disposed between the crack-free exterior wall node structure 100 and the floor, and is detachably connected with the crack-free exterior wall node structure 100.

Specifically, the formwork units 210 are vertically disposed at two sides of the gap between the two inner wall units 110, and detachably connected with the inner wall units 110 and the post-cast wall units 120 respectively; the supporting unit 220 is disposed between the interior wall unit 110 and the floor in an inclined manner, and is detachably connected to the interior wall unit 110.

More specifically, the form unit 210 is detachably connected to the inner wall element 111; the supporting unit 220 is disposed obliquely between the inner wall element 111 and the floor, and is detachably connected to the inner wall element 111.

In some of these embodiments, the template unit 210 includes a first template element and a second template element. Wherein the first formwork element is arranged on the outer side of the inner wall element 111; the second formwork element is arranged on the inner side of the inner wall element 111, i.e. on the side where the trough element 112 is located.

The width of the cross section of the first formwork element is greater than the width of the cross section of the post-cast wall unit 120.

In some of these embodiments, the width of the cross section of the first template element is 800mm.

The width of the cross section of the second formwork element is greater than the width of the cross section of the post-cast wall unit 120.

The width of the cross section of the second formwork element is less than twice the sum of the width of the cross section of the trough element 112 and the width of the cross section of the post-cast wall unit 120.

In some of these embodiments, the width of the cross section of the second template element is 800mm.

The height of the form unit 210 is equal to or greater than the height of the inner wall element 111.

In some of these embodiments, the support unit 220 is coupled to the interior wall element 111 by means including, but not limited to, bolting.

In some of these embodiments, the support unit 220 includes several support elements. Wherein, a plurality of supporting elements are arranged at intervals along the vertical direction on the inner sides of the two inner wall elements 111.

In particular, the number of support elements is at least 2 and even. Wherein, at least one supporting element is disposed on the inner side of each inner wall element 111.

In some of these embodiments, the number of support elements is 2, i.e. 1 support element is provided on the inside of each interior wall element 111.

In some of these embodiments, the number of support elements is 4, i.e. 2 support elements are provided on the inside of each interior wall element 111.

The construction method of the utility model comprises the following steps:

first, formwork pouring

The two inner wall elements 111 are vertically fixed on the floor, and the structural reinforcement elements 113 of the two inner wall units 110 are oppositely arranged; the supporting unit 220 is obliquely installed between the inner wall element 111 and the floor by means of a connection manner such as a bolt, etc., so that an included angle between the inner wall element 111 and the floor is ensured to be 90 degrees;

the template unit 210 is installed at both sides of the gap between the two inner wall elements 111 to form a cavity with the two inner wall elements 111;

concrete grout is poured into the cavity to form the post-cast wall unit 120.

(II) surface anti-cracking treatment after demolding

When the post-cast wall unit 120 is completely solidified to reach the design strength, the template unit 210 and the supporting unit 220 are removed;

adhering two first anti-cracking elements 132 to the joints of the post-cast wall unit 120 and the two inner wall elements 111 through bonding elements 131 respectively;

filling the filling member 133 into the two trough members 112 to cover the first crack preventing member 132 and the inner side surface of the post-cast wall unit 120;

after the filling element 133 is solidified and shaped, the two second anti-cracking elements 134 are respectively stuck to the connecting positions of the filling element 133 and the corresponding inner wall element 111 through the interface agent;

the leveling element 141 is smeared on the inner side surfaces of the second crack-resistant element 134, the inner wall element 111 and the filling element 133, and the facing element 142 is smeared or stuck on a flat plane;

after the heat preservation element 152 is combined with the outer wall element 151, the heat preservation element 152 is fixed on the outer sides of the inner wall element 111 and the post-pouring wall unit 120 in a bolt or paste mode;

filling the connection members 161 into gaps between the exterior wall members 151;

finally, the sealing element 162 is used for sealing.

The advantage of this embodiment is that through set up the trough component on the interior wall unit, can be in the more accurate determination formwork position of reducing the circumstances of template unit quantity, reduce construction cost when improving efficiency of construction.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims (10)

1. A crack-free exterior wall node construction, comprising:

the two inner wall units are oppositely arranged;

the post-pouring wall body unit is arranged between the two inner wall units;

the anti-cracking unit is respectively connected with the two inner wall units and the post-cast wall unit, and is respectively embedded into the two inner wall units and is arranged to cover the two inner wall units.

2. The crack-free exterior wall node construction of claim 1, wherein the interior wall unit comprises:

an inner wall element connected with the post-cast wall unit;

and the groove element is arranged on the outer surface of the inner wall element and is connected with the crack-resistant unit.

3. The crack-free exterior wall node construction of claim 2, wherein the interior wall unit further comprises:

the structure reinforcing elements are fixed on one side, close to the post-pouring wall body unit, of the inner wall element at intervals along the vertical direction and are connected with the post-pouring wall body unit.

4. The crack-free exterior wall node construction of claim 1, wherein the crack-resistant unit comprises:

the bonding element is arranged on the outer surfaces of the inner wall unit and the post-pouring wall unit;

the two first anti-cracking elements are respectively arranged at the connection parts of the post-cast wall units and the corresponding inner wall units and are connected with the bonding elements;

the filling element is respectively connected with the first anti-cracking element, the inner wall unit and the post-pouring wall unit, and the outer surface of the filling element is coplanar with the outer surface of the inner wall unit;

the two second anti-cracking elements are respectively arranged at the joint of the filling element and the corresponding inner wall unit and are respectively connected with the filling element and the corresponding inner wall unit.

5. The crack-free exterior wall node construction of any one of claims 1-4, further comprising:

the facing unit is arranged on the inner sides of the inner wall unit and the anti-cracking unit and is respectively connected with the inner wall unit and the anti-cracking unit; and/or

And the two outer wall units are arranged on the outer sides of the inner wall unit and the post-cast wall unit and are respectively connected with the corresponding inner wall unit and the post-cast wall unit.

6. The crack-free exterior wall node construction of claim 5, wherein the finishing unit comprises:

the leveling element is arranged on the inner sides of the inner wall unit and the anti-cracking unit and is respectively connected with the inner wall unit and the anti-cracking unit;

the facing element is arranged on the inner side of the leveling element and is connected with the leveling element; and/or

The exterior wall unit includes:

the outer wall element is arranged on the outer sides of the corresponding inner wall unit and the post-cast wall unit and is respectively connected with the corresponding inner wall unit and the post-cast wall unit;

the heat preservation element is embedded into the outer wall element, and is respectively connected with the outer wall element and the corresponding inner wall unit.

7. The crack-free exterior wall node construction of claim 5, further comprising:

the sealing units are arranged between the two outer wall units and are respectively connected with the post-pouring wall units and the two outer wall units.

8. The crack-free exterior wall node construction of claim 7, wherein the sealing unit comprises:

the connecting element is arranged between the outer wall unit and the post-pouring wall unit and is respectively connected with the outer wall unit and the post-pouring wall unit;

and the sealing element is arranged between the two outer wall units.

9. A crack-free exterior wall node construction system, comprising:

the crack-free exterior wall node construction of any one of claims 1-8;

the mounting structure is arranged on the inner side of the crack-free outer wall node structure and detachably connected with the crack-free outer wall node structure, and is used for mounting the crack-free outer wall node structure.

10. The crack-free exterior wall node construction system of claim 9, wherein the mounting structure comprises:

the template unit is arranged on the inner side of the crack-free outer wall node structure along the vertical direction and is detachably connected with the crack-free outer wall node structure;

the support unit is obliquely arranged between the crack-free outer wall node structure and the floor and is detachably connected with the crack-free outer wall node structure.