WO2023131060A1

WO2023131060A1 - Composite thermal insulation board connecting member and integrated composite thermal insulation external wall board

Info

Publication number: WO2023131060A1
Application number: PCT/CN2022/143677
Authority: WO
Inventors: 秦海山; 秦梓航; 刘强
Original assignee: 河北卉原建材有限公司; 赤峰卉原建材有限公司
Priority date: 2022-01-04
Filing date: 2022-12-30
Publication date: 2023-07-13
Also published as: CN114150788A

Abstract

A composite thermal insulation board connecting member (100) and an integrated composite thermal insulation external wall board (200), relating to the technical field of transformation of existing buildings, for use in solving the problem that external thermal insulation formed in existing buildings by using a conventional thin plastering method is ignitable, easy to fall off, and poor in fireproof performance and durability. The composite thermal insulation board connecting member (100) comprises a limiting member (1), a connecting rod (2), and an expansion assembly. The limiting member (1) and the expansion assembly are respectively located at either end of the connecting rod (2), and the limiting member (1) is stuck on the outer side of a steel mesh (9) on a composite thermal insulation board. The expansion assembly passes through the composite thermal insulation board and is driven by the connecting rod (2) to expand and fasten in the wall (12) of an existing building. The integrated composite thermal insulation external wall board (200) comprises a composite thermal insulation external wall board and a composite thermal insulation board connecting member (100). The composite thermal insulation board connecting member (100) can make the composite thermal insulation external wall board be reliably connected to an existing building wall (12), and cement mortar is sprayed on the steel mesh (9) to form the integrated composite thermal insulation external wall board (200), so that the service life external wall thermal insulation of existing buildings is the same as that of the buildings.

Description

Composite thermal insulation board connector and integrated composite thermal insulation exterior wall panel

technical field

The invention relates to the technical field of renovation of existing buildings, in particular to a connector for a composite thermal insulation board and an integrated composite thermal insulation exterior wall panel.

Background technique

At present, there are two situations for the exterior walls of existing buildings at home and abroad. One situation is that the exterior walls of relatively early buildings are not insulated, and the other situation is that the exterior walls of buildings in recent years use thinly plastered exterior walls for external insulation This method has been used for thermal insulation, and the external thermal insulation of the external wall made by this method has poor fire resistance and durability. In recent years, there have been continuous occurrences of fires caused by fires caused by external wall insulation, as well as falling off of external wall insulation throughout the country. And with the growth of time, the frequency and risk of fire and shedding of the existing building exterior wall insulation are increasing, seriously endangering the lives and safety of the people. This issue has attracted great attention of people's governments at all levels and relevant departments. But so far, there is no better solution anywhere in the country. In the prior art, the traditional thin plastering method is basically used to prevent the insulation of the existing building from catching fire and falling off. This cannot fundamentally solve the problem. After a few years of use, the insulation of the external wall will fall off and fire situation. Due to the poor fire resistance and durability of the external wall insulation made by the traditional thin plastering method, repeated maintenance is required, which not only increases the cost, but also produces a large amount of construction waste, which is also extremely inconsistent with the current national double carbon project. For this reason, the present invention proposes a composite thermal insulation panel connector and an integrated composite thermal insulation exterior wall panel, which can realize thermal insulation structure integration of existing building exterior walls. And the present invention not only is applicable to the existing building that does not do outer wall thermal insulation originally, also is applicable to the existing building that has used the traditional thin plastering method to do external wall external thermal insulation originally. This method is used to effectively solve the problems of existing buildings using the traditional thin plastering method for external wall insulation, which is easy to catch fire, easy to fall off, and has poor fire resistance and durability. During the service period, there is no need to do maintenance to prevent the external wall insulation from catching fire and falling off.

Contents of the invention

The purpose of the present invention is to provide a composite thermal insulation panel connector and an integrated composite thermal insulation exterior wall panel to solve the problems in the prior art, realize the integration of thermal insulation structures, and make the external wall insulation of existing buildings the same as that of buildings. life.

To achieve the above object, the present invention provides the following scheme:

The invention provides a composite thermal insulation board connector, which includes a limiter, a connecting rod and an expansion assembly, the limiter and the expansion assembly are respectively located at both ends of the connecting rod, and the limiter is used for Because it is stuck on the outside of the steel wire grid of the composite thermal insulation board, the expansion assembly is used to pass through the composite thermal insulation board and be expanded and clamped in the wall of the existing building under the drive of the connecting rod.

Preferably, the limiting member is disc-shaped, and the outer diameter of the limiting member is larger than the outer diameter of the connecting rod, and a plurality of through holes are opened on the limiting member, and the through holes are located at the The limiter passes through the limiter in the thickness direction, and the through hole is used for the passage of cement mortar.

Preferably, the expansion assembly includes an expansion bolt and a conical head, both the expansion bolt and the conical head are threadedly connected to the end of the connecting rod away from the stopper, and in the initial state, the expansion bolt is located at Between the conical head and the limiting member, from approaching to away from the limiting member, the outer diameter of the conical head gradually increases, and the end of the expansion plug far away from the limiting member can It is clamped with the end of the conical head close to the stopper, and is used to prevent the disengagement of the conical head and the expansion bolt, and the expansion assembly is inserted into the wall hole of the existing building, and When the connecting rod is rotated, the conical head can move along the axial direction of the connecting rod in the direction close to the limiter, and enter the inside of the expansion bolt, so as to drive the expansion bolt away from the limiter. One end of the spacer expands until it is fastened inside the wall of the existing building.

Preferably, the connecting rod includes a connecting section and a screw section that are reliably connected in sequence, the outer diameter of the connecting section is larger than the outer diameter of the screw section, and one end of the screw section extends into the connecting section and To be fixed with the connecting section, the outer wall of the screw section is provided with threads, and the screw section is used for threaded connection with the inner wall of the conical head.

Preferably, an end of the connecting section away from the screw section is provided with a force application groove, and a hexagon nut is provided in the force application groove, and the connecting rod is driven to rotate by turning the hexagon nut.

Preferably, the expansion plug is provided with three claws.

Preferably, the limiting member and the connecting rod are made of non-metallic material, and the expansion assembly and screw section are made of metal material.

The present invention also provides an integrated composite thermal insulation exterior wall panel, comprising a composite thermal insulation exterior wall panel and the composite thermal insulation panel connector described in any one of the above technical solutions, one end of the composite thermal insulation panel connector is stuck in the The side of the composite thermal insulation board away from the wall of the existing building, the other end of the connector of the composite thermal insulation board passes through the thermal insulation board and is fastened to the inside of the wall of the existing building.

Preferably, the composite thermal insulation exterior wall panel includes a steel wire mesh sheet, a fireproof layer and a thermal insulation layer arranged and fixed in sequence, and the thermal insulation layer is in contact with the wall of an existing building, and cement mortar is sprayed on the steel mesh sheet; Including abdominal wire strips, one end of the abdominal wire strips is welded on the steel mesh sheet, the other end of the abdominal wire strips passes through the fireproof layer, and is inserted into the thermal insulation layer but does not penetrate through the thermal insulation layer .

Compared with the prior art, the present invention has achieved the following technical effects:

In the composite thermal insulation board connector and the integrated composite thermal insulation outer wall panel provided by the present invention, the stopper and the expansion assembly of the composite thermal insulation board connector are respectively located at both ends of the connecting rod, and the stopper is used to be stuck on the composite thermal insulation board. The outer side of the steel wire grid, and then limit the steel wire grid through the limiter, that is, limit the composite insulation board. The expansion component passes through the composite insulation board and is expanded and clamped on the wall of the existing building driven by the connecting rod. Inside, through the cooperation of the limiting parts and the expansion components, the composite thermal insulation board is reliably connected to the existing building wall, and cement mortar is sprayed on the steel wire grid to form an integrated composite thermal insulation exterior wall panel. The composite thermal insulation board connector and the integrated composite thermal insulation exterior wall panel provided by the present invention are not only suitable for existing buildings that do not have external wall insulation, but also for existing buildings that have previously used traditional thin plastering methods for external wall insulation. There are buildings, so that the external wall insulation of the existing building has the same life as the building, while significantly improving the integrity, fire resistance, and safety of the external wall insulation of the existing building, and achieving better thermal insulation and energy saving effects.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is a schematic structural view of the composite insulation board connector provided by Embodiment 1;

Figure 2 is an exploded view of Figure 1;

The front view of Fig. 3 Fig. 1;

Fig. 4 is the sectional view of Fig. 1;

Fig. 5 is a structural representation of the expansion plug in Fig. 1;

Fig. 6 is the left view of Fig. 1;

Fig. 7 is a schematic structural view of the integrated composite thermal insulation exterior wall panel provided in Embodiment 2;

Fig. 8 is a side view of Fig. 7;

Fig. 9 is the front view of Fig. 7;

In the figure: 100-composite thermal insulation board connector, 200-integrated composite thermal insulation exterior wall panel, 1-limiting piece, 2-connecting rod, 3-expansion bolt, 4-through hole, 5-connecting section, 6-screw Section, 7-conical head, 8-force groove, 9-steel wire frame, 10-fire protection layer, 11-insulation layer, 12-wall body, 13-hex nut, 14-clamp.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The purpose of the present invention is to provide a composite thermal insulation panel connector and an integrated composite thermal insulation exterior wall panel, so that the composite thermal insulation exterior wall panel can be reliably connected to the existing building wall, so as to solve the problem of the traditional thin plastering method for existing buildings. Exterior wall thermal insulation, easy to catch fire, easy to fall off, poor fire resistance and durability, make the external wall insulation of existing buildings have the same lifespan as the building, and significantly improve the integrity, fire resistance and safety of the existing building external wall insulation At the same time, it can achieve better heat preservation and energy saving effect.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Embodiment one

As shown in Figures 1 to 6, this embodiment provides a composite thermal insulation board connector 100, which is used to connect the existing building wall 12 and the composite thermal insulation board in the renovation of old buildings, including a limiting member 1, a connecting rod 2 and the expansion assembly, the limit piece 1 and the expansion assembly are respectively located at both ends of the connecting rod 2, and the limit piece 1 is used to be stuck on the outside of the steel wire mesh frame 9 of the composite insulation board, and then through the limit piece 1 pair of steel wire mesh The frame 9 is limited, that is, the composite insulation board is limited, and the expansion assembly passes through the composite insulation board and is expanded and clamped in the wall 12 of the existing building under the drive of the connecting rod 2. Through the cooperation of the limit piece 1 and the expansion assembly , so that the composite thermal insulation board is reliably connected to the wall body 12 of the existing building, and cement mortar is sprayed on the steel wire grid to form an integrated composite thermal insulation exterior wall panel 200 .

Specifically, the limiting member 1 is disc-shaped, and the outer diameter of the limiting member 1 is larger than the outer diameter of the connecting rod 2, thereby achieving the effect of limiting. The limiting member 11 is provided with a plurality of through holes 4, and the through holes 4 The limiter 1 is penetrated in the thickness direction of the limiter 1, and the through hole 4 is used for the passage of cement mortar, so that the inner side corresponding to the limiter 1 can also be filled with mortar, thereby improving the connection between the composite insulation board connector 100 and the composite insulation. The bonding force between the boards increases the overall lifespan.

The connecting rod 2 is a solid circular tube, and its specific length is adaptively selected according to the thickness of the actual composite thermal insulation board.

The expansion assembly includes an expansion bolt 3 and a conical head 7. The expansion bolt 3 and the conical head 7 are both threadedly connected to the end of the connecting rod 2 away from the stopper 1, thereby facilitating the cooperation of the expansion bolt 3 and the conical head 7 to realize expansion. Clamping, and the expansion bolt 3, the conical head 7 and the connecting rod 2 can all be disassembled. In the initial state, the expansion bolt 3 is located between the conical head 7 and the limiter 1, which facilitates the movement of the conical head 7 relative to the expansion bolt 3 , to act on the expansion bolt 3, and before installation and during installation, the expansion bolt 3 is in a tightened state, so as to be sent into the tunnel of the existing building wall 12, from approaching to away from the limiter 1, the conical head The outer diameter of 7 gradually increases to adapt to the expansion shape of the expansion plug 3. The end of the expansion plug 3 away from the limiter 1 can be engaged with the end of the conical head 7 close to the limiter 1, and prevent the conical head 7 from Disengage from the expansion bolt 3, preferably, the expansion bolt 3 includes a moving section and an expansion section, and a clamp 14 is provided between the moving section and the expansion section, on the inner wall of the end of the expansion section away from the moving section, and a conical head 7 There are hooks on the outer wall near the end of the limiter 1. Through the cooperation of two sets of hooks, the expansion bolt 3 and the conical head 7 can be prevented from detaching. The expansion plug 3 moves inside, and the expansion assembly is extended into the hole. The expansion plug 3 contacts the inner wall of the hole, and the rotation is limited. The head 7 pushes the petals of the expansion bolt 3 outward, and then drives the end of the expansion bolt 3 away from the stopper 1 to expand to be clamped inside the wall 12 of the existing building, so that the composite insulation board can be integrated with the wall of the existing building. Body 12 reliable connection.

The connecting rod 2 includes a connecting section 5 and a screw section 6 connected in sequence. The outer diameter of the connecting section 5 is greater than the outer diameter of the screw section 6, and the outer wall of the screw section 6 is provided with threads. Preferably, one end of the screw section 6 extends into the The inside of the connecting section 5 is reliably connected with the connecting section 5. The screw section 6 is used for threaded connection with the inner wall of the conical head 7. When connecting, the conical head 7 and the expansion bolt 3 are first set close to the end of the screw section 6 away from the connecting section 5. , and then turn the connecting rod 2 so that the conical head 7 and the expansion bolt 3 move on the screw section 6 towards the connecting section 5 at the same time, until one end of the expansion bolt 3 touches the end surface of the connecting section 5 close to the end of the screw section 6 , the movement of the expansion bolt 3 is limited, the conical head 7 continues to move, and moves to the inside of the expansion bolt 3, so as to expand the expansion bolt 3 to be clamped in the opening of the wall 12 of the existing building.

The end of the connecting section 5 far away from the screw section 6 is provided with a force application groove 8, and a hexagon nut 13 is arranged in the force application groove 8, and the hexagon nut 13 is rotated to drive the connecting rod 2 to rotate, thereby realizing expansion and clamping of the expansion bolt 3 Inside the walls of existing buildings.

The expansion bolt 3 is provided with three claw flaps, so that the composite insulation board can be reliably connected with the wall of the existing building.

The limiter 1 and the connecting rod 2 are made of non-metallic material, such as plastic material, and the expansion assembly is made of metal material. Preferably, the connecting section 5 is made of non-metallic material, and the screw section 6 is made of metal material, so as to avoid Heat transfer through the metal ensures no cold bridges in the external wall insulation.

Embodiment two

As shown in Figures 7-9, this embodiment provides an integrated composite thermal insulation exterior wall panel 200, including a composite thermal insulation board and the composite thermal insulation board connector 100 in Embodiment 1, and one end of the composite thermal insulation board connector 100 Clamped on the side of the composite insulation board away from the wall 12 of the existing building, the other end of the composite insulation board connector 100 passes through the composite insulation board and is used to be clamped inside the wall 12 of the existing building, and then through the composite insulation The board connector 100 makes the composite thermal insulation board and the wall 12 of the existing building reliably connected, and at the same time, sprays cement mortar on the steel wire grid outside the composite thermal insulation board to form an integrated composite thermal insulation exterior wall panel 200, so that the exterior of the existing building Wall insulation has the same life as the building.

Specifically, the composite thermal insulation board includes a steel wire grid frame 9, a fireproof layer 10, and a thermal insulation layer 11 arranged and fixed in sequence, and the thermal insulation layer 11 is used to contact the wall 12 of an existing building, and the composite thermal insulation board connector 100 realizes both There is a reliable connection between the wall body 12 of the building and the composite thermal insulation board. In the actual construction process, the composite thermal insulation board in this embodiment can be used for existing buildings that have done external wall insulation with traditional methods, and can also be used for For existing buildings without external wall insulation, the composite thermal insulation board is reliably connected to the existing building wall 12 through the composite thermal insulation board connector 100, and then cement mortar is sprayed to form an integrated composite thermal insulation external wall panel, which improves both It has the integrity, durability and safety of building exterior wall insulation. The composite insulation board also includes a belly wire strip, one end of the belly wire strip is welded on the steel wire mesh sheet 9, the other end of the belly wire strip passes through the fireproof layer 10, and is inserted into the insulation layer 11, and the belly wire strip does not penetrate through the insulation layer 11. Avoid the cold bridge effect, and at the same time ensure reliable connection and improve the integrity and life of the composite insulation board. Preferably, the fireproof layer 10 can be a perlite board, but in the integrated composite thermal insulation exterior wall panel 200 provided in this embodiment, the selection of the fireproof layer 10 is not limited to the above-mentioned limitation, as long as the fireproof effect can be achieved.

In this description, specific examples are used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only used to help understand the method and core idea of the present invention; meanwhile, for those of ordinary skill in the art, according to this The idea of the invention will have changes in the specific implementation and scope of application. In summary, the content of this specification should not be construed as limiting the present invention.

Claims

A composite thermal insulation board connector, characterized in that it includes a limiter, a connecting rod and an expansion assembly, the limiter and the expansion assembly are respectively located at both ends of the connecting rod, and the limiter is used Because it is stuck on the outside of the steel wire grid of the composite thermal insulation board, the expansion assembly is used to pass through the composite thermal insulation board and be expanded and clamped in the wall of the existing building under the drive of the connecting rod.
The composite insulation board connector according to claim 1, characterized in that: the limiting member is disc-shaped, and the outer diameter of the limiting member is larger than the outer diameter of the connecting rod, and the limiting member A plurality of through holes are opened on the top, and the through holes pass through the limiting member in the thickness direction of the limiting member, and the through holes are used for the passage of cement mortar.
The composite thermal insulation panel connector according to claim 1, wherein the expansion assembly includes an expansion bolt and a conical head, and both the expansion bolt and the conical head are screwed to the connecting rod away from the One end of the limiter, in the initial state, the expansion plug is located between the conical head and the limiter, and from approaching to away from the limiter, the outer diameter of the conical head gradually increases, The end of the expansion bolt far away from the stopper can be engaged with the end of the conical head close to the stopper, and is used to prevent the conical head from disengaging from the expansion bolt, and the When the expansion assembly is inserted into the wall hole of the existing building and the connecting rod is rotated, the conical head can move along the axial direction of the connecting rod in a direction close to the stopper and enter the expansion joint. The inside of the bolt, so as to drive the end of the expansion bolt away from the stopper to expand to be clamped inside the wall of the existing building.
The composite insulation board connector according to claim 3, characterized in that: the connecting rod includes a connecting section and a screw section connected in sequence, the outer diameter of the connecting section is larger than the outer diameter of the screw section, and the One end of the screw section protrudes into the connecting section and is fixed with the connecting section, the outer wall of the screw section is provided with threads, and the screw section is used for threaded connection with the inner wall of the conical head.
The composite insulation board connector according to claim 4, characterized in that: an end of the connecting section far away from the screw section is provided with a force applying groove, and a hexagonal nut is arranged in the said force applying groove, and by turning the hexagonal The nut drives the connecting rod to rotate.
The composite insulation board connector according to claim 3, characterized in that: the expansion bolt is provided with three claws.
The composite insulation board connector according to claim 1, characterized in that: the limiting member and the connecting rod are made of non-metallic material, and the expansion assembly and screw section are made of metal material.
An integrated composite thermal insulation exterior wall panel, characterized in that it comprises a composite thermal insulation exterior wall panel and the composite thermal insulation panel connector according to any one of claims 1-7, one end of the composite thermal insulation panel connector is stuck in the The side of the composite thermal insulation board away from the wall of the existing building, the other end of the connector of the composite thermal insulation board passes through the thermal insulation board and is clamped tightly inside the wall of the existing building.
The integrated composite thermal insulation exterior wall panel according to claim 8, characterized in that: the composite thermal insulation exterior wall panel includes steel wire mesh sheets, fireproof layers and thermal insulation layers arranged and fixed in sequence, and the thermal insulation layer contacts the existing The wall of the building, spraying cement mortar on the steel wire mesh sheet; also includes a belly wire strip, one end of the belly wire strip is welded on the steel wire mesh sheet, and the other end of the belly wire strip passes through the fireproof layer , and inserted into the insulation layer but not through the insulation layer.