CN216428624U

CN216428624U - External wall insulation structure

Info

Publication number: CN216428624U
Application number: CN202122655398.0U
Authority: CN
Inventors: 段珊; 王永根; 祝赛莲; 谢国栋; 徐小勇
Original assignee: Zhejiang Lyucheng Housing Service System Co ltd
Current assignee: Zhejiang Lyucheng Housing Service System Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-03
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an external wall insulation structure, including wall body and a plurality of external wall insulation intergral template, external wall insulation intergral template includes casing and insulation material, and the casing is close to the wall body and simultaneously is equipped with the mounting bar and the clamp plate mounting hole that supply the clamp plate to fix, and the side of keeping away from mounting bar one end is equipped with fixed slot and stagnant water groove. Be equipped with compound expansion bolts between the adjacent outer wall insulation intergral template, including expansion pipe and expansion bolt, the part that expansion bolt is located expansion pipe outside is equipped with compound bolt and overlaps and be equipped with the clamp plate. And a filler is arranged between the fixing grooves of the shells on the adjacent external wall heat-insulation integrated plates, and a water-resistant binder filled with a water stop groove is filled outside the filler. The contact area is increased through the fixation of the pressing plate, the stability of the fixation of the filler is enhanced through the fixing groove, the protection area of the waterproof binder is enlarged through the water stopping groove, and the reasonable thickness of the waterproof binder is ensured through the position of the fixing groove, so that the problems of poor structural stability and easy water seepage of the conventional external wall insulation structure are solved.

Description

External wall insulation structure

Technical Field

The utility model belongs to the technical field of the building engineering technique and specifically relates to an outer wall insulation structure is related to.

Background

At present, in the technical field of constructional engineering, an outer wall insulation board is a novel outer wall material which is used more. The outer wall insulation board is generally compounded by polymer mortar, glass fiber gridding cloth, flame-retardant molded polystyrene foam boards or extruded sheets and other materials, is produced in a factory and is constructed by bonding on site, is a preferred material for meeting the energy-saving requirement of the current house buildings and improving the insulation level of the outer walls of industrial and civil buildings, and is also a preferred material for energy-saving reconstruction of the existing buildings. Chinese patent publication No. CN206888231U discloses an external wall insulation integrated board, one side is connected with the wall body, both sides all are connected with the fixed block that has the through-hole with wall body welded fastening, have fastened external wall insulation board body and wall connection's stability through first fixture block and first draw-in groove, have consolidated the being connected of first fixture block and first draw-in groove through second fixture block and second draw-in groove simultaneously, and it is also more convenient to install.

The existing external wall insulation board is generally rectangular, the installation process is relatively complex, the existing external wall insulation board is mainly connected to a wall body through an adhesive, an anchoring piece and the like, the structural stability is poor, and the existing external wall insulation board is easy to fall off along with the lapse of time. In addition, the waterproof performance of the external wall insulation board is difficult to guarantee, the adhesive is easy to cause gap water seepage in the bonding process, the filler is difficult to compact in the installation process of the anchoring part, the weather-resistant adhesive is easy to lose efficacy, the water seepage is easy to occur, and great harm is caused to the external wall insulation structure.

Disclosure of Invention

The utility model relates to an overcome the poor, the poor problem of prevention of seepage performance of prior art's structural stability, provide an outer wall insulation structure. Can effectively enhance the structural stability and prevent the influence of water seepage.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an external wall heat insulation structure comprises a wall body and a plurality of external wall heat insulation integrated plates, and is characterized in that a buried hole is formed in the wall body; the outer wall heat-insulation integrated plate comprises a shell and a heat-insulation material filled in the shell, mounting bars are respectively arranged at two ends of one surface of the shell, which is close to a wall body, and a fixing groove and a water stopping groove are respectively sequentially arranged at one side of the shell, which is far away from the mounting bars; filling materials are arranged between the fixing grooves of the shells on the adjacent outer wall heat-insulation integrated plates, and a water-resistant binder is filled at one side of the filling materials, which is far away from the wall body, and the water-stop grooves are filled with the water-resistant binder; be equipped with composite expansion bolt for fixed mounting between adjacent outer wall insulation intergral template, composite expansion bolt includes that expansion pipe and a pot head establish in the expansion pipe, and the other end stretches out the tight bolt that expands outside the expansion pipe, the part that the tight bolt that expands is located the expansion pipe is equipped with the tight bolt nut that expands, and the tight bolt that expands is located the tight bolt nut outside cover that expands and is equipped with the clamp plate, and the one end that the tight bolt that expands is located the expansion pipe is equipped with the composite bolt mounting hole, and the composite bolt mounting hole endotheca is equipped with threaded connection's composite bolt, the part that the composite bolt is located outside the composite bolt mounting hole is equipped with the composite bolt cap, and the diameter of composite bolt cap is greater than the external diameter of the tight bolt that expands.

The utility model discloses an in the installation, bury expansion bolt group according to dividing parting line location drilling in advance and screw up fixedly, separate the parting line with two external wall insulation intergral template parallel arrangement in, clamp plate and compound bolt group are gone into to clamp plate mounting hole position card that corresponds, rethread compound bolt's the clamp plate of screwing with compound bolt is pushed to wall body one side, thereby compress tightly external wall insulation intergral template mounting bar on compound expansion bolt, can avoid using the gluing agent, and compare in traditional fix with rivet, it is fixed to install through compound expansion bolt and clamp plate, the fixed intensity of installation has been increased, area of contact, structural stability has been improved, it is not hard up to avoid appearing. The fixing grooves are designed on the outer wall heat-insulation integrated plate, the filler is embedded into the fixing grooves and is not prone to collapse, so that the filler is stably embedded into gaps between the outer wall heat-insulation integrated plates, the phenomenon that the lower limit of the filler is not uniform in the installation process and the filling quality of a subsequent water-resistant binder is affected is avoided. The water stopping groove can enlarge the bonding area of the waterproof binder and the external wall insulation integrated board, is further occluded, prevents loosening and separation, improves the bonding strength of the waterproof binder and the shell, is favorable for preventing rainwater infiltration and prolongs the service life of the waterproof binder. The reasonable thickness of the waterproof binder is ensured through the position of the fixing groove, and the structural stability and the water seepage prevention capability are further enhanced, so that the problems of poor structural stability and easy water seepage commonly existing in the installation process of the conventional external wall insulation board are solved.

Preferably, the mounting bar is of a hollow structure, and the cross section of the mounting bar is rectangular. The hollow structure rectangular mounting strip can be contacted with the composite expansion bolt leveling gasket on the surface of the wall body more closely, acting force is formed among the leveling gasket, the mounting strip and the pressing plate, and the structural stability is ensured. The hollow air layer is more beneficial to heat insulation.

Preferably, the outer diameter of the pressure plate is 1-2 times of that of the expansion bolt and nut. The pressing plate with the larger diameter can increase the contact area between the pressing plate and the mounting bar of the external wall heat-insulation integrated plate, and the structural stability is enhanced.

Preferably, the fixing groove is a circular arc groove. Can increase filler foam stick installation stability, improve the precision of mounted position, be of value to the packing that later stage waterproof weatherproof seal structure glued.

Preferably, the water stopping tank is concave. When the waterproof weather-proof sealing structure glue is filled, the glue can enter the groove and be bonded with the surface of the heat-insulation integrated plate shell, so that loosening and cracking are prevented, the sealing performance of a plate joint is improved, and the rainwater leakage resistance is improved.

Preferably, the part of the expansion bolt, which is positioned outside the expansion pipe, is also sleeved with a leveling gasket, and the leveling gasket is in threaded connection with the expansion bolt and is positioned between the wall body and the pressing plate. When a plurality of point positions are required to be uniformly leveled, the positions of the adjusting gaskets on the expansion bolts can be adjusted by rotating the adjusting gaskets at one ends of the expansion bolts, so that the adjusting gaskets on the expansion bolts are in the same horizontal plane, the leveling purpose is achieved, and the traditional leveling procedure is omitted.

Preferably, the diameter of the leveling gasket is 1-2 times of that of the expansion bolt and nut. The leveling gasket with larger diameter can be matched with the pressing plate to increase the contact area between the leveling gasket and the mounting bar of the outer wall heat-insulation integrated plate, and the structural stability is enhanced.

Therefore, the utility model discloses following beneficial effect has: (1) through the compound expansion bolts and the leveling gaskets fixed on the wall, two adjacent external wall insulation integrated plates are fastened on the wall surface through the pressing plates, so that the use of adhesives can be avoided, and compared with the traditional rivet fixation, the installation fixation through the compound expansion bolts and the pressing plates increases the strength and the contact area of the installation fixation, improves the structural stability and avoids the looseness. (2) Through the design on outer wall heat preservation intergral template has the fixed slot, will pack the embedding in the fixed slot, be difficult for collapsing to make the gap of the firm embedding outer wall heat preservation intergral template of packing, avoid packing the lower limit in the installation inconsistent, influence follow-up water-fast binder filling quality. (3) The bonding area of the waterproof binder and the heat-insulation integrated board can be enlarged through the water stopping groove, the waterproof binder and the heat-insulation integrated board are further occluded, the loose separation is prevented, the bonding strength of the waterproof binder and the shell is improved, the rainwater infiltration is prevented, the service life of the waterproof binder is prolonged, and (4) the reasonable thickness of the waterproof binder is ensured through the position of the fixing groove, the structural stability and the water seepage prevention capability are further enhanced, so that the problems of poor structural stability and easy water seepage existing in the installation process of the conventional external wall heat-insulation board are solved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a of the present invention.

Fig. 3 is a schematic structural view of the integrated external wall insulation board of the present invention.

Fig. 4 is a schematic structural view of the composite expansion bolt of the present invention.

In the figure: the heat-insulating composite wall comprises a wall body 1, an embedded hole 11, an external wall heat-insulating integrated plate 2, a shell 21, a fixing groove 211, a water stopping groove 212, a press plate mounting hole 213, a mounting bar 22, a heat-insulating material 23, a composite expansion bolt 3, an expansion pipe 31, a groove 311, a clamping groove 312, a composite expansion bolt 32, a composite bolt mounting hole 321, a bolt nut 322, a press plate 33, a composite bolt 34, a composite bolt cap 341, a leveling gasket 35, a gasket 36, a

spring gasket

37, 4 fillers and 5 water-resistant adhesives.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, the external wall insulation structure comprises a wall body 1 and two adjacent external wall insulation integrated plates 2, wherein the wall body is provided with a buried hole 11. As shown in fig. 3, the external wall insulation integrated board includes a casing 21 and an insulation material 23 filled in the casing, wherein one end of the casing close to the wall is respectively provided with a mounting bar 22, the mounting bar is of a hollow structure, and the cross section of the mounting bar is rectangular. The casing is close to wall body one side mounting bar and is equipped with clamp plate mounting hole 213, one side that the mounting bar was kept away from to the casing is equipped with fixed slot 211 and stagnant water groove 212 respectively in proper order.

As shown in figure 2, a composite expansion bolt 3 is arranged between the adjacent external wall insulation integrated plates, the composite expansion bolt is structurally shown in figure 4 and comprises an expansion pipe 31 and an expansion bolt 32, one end of the expansion bolt is sleeved in the expansion pipe, the other end of the expansion bolt extends out of the expansion pipe, and the expansion pipe is in threaded connection with the expansion bolt. One end, far away from the expansion bolt, of the outer wall of the expansion pipe is evenly provided with three axial grooves 311, the side face is evenly provided with five circumferential V-shaped clamping grooves 312, and one end, far away from the expansion bolt, of the clamping groove opening direction is an agnail towards the bottom of the expansion pipe. The part of the expansion bolt, which is positioned outside the expansion pipe, is provided with an expansion bolt nut 322, the part of the expansion bolt, which is positioned outside the expansion pipe, is sequentially sleeved with a gasket 36, a leveling gasket 35, a pressing plate 33, a spring gasket 37 and a composite bolt 34, and one end of the composite bolt is provided with a bolt nut 341. And the leveling gasket is provided with an expansion bolt mounting threaded hole and is in threaded connection with the expansion bolt through the threaded hole, and the diameter of the leveling gasket is 1-2 times of that of a nut of the expansion bolt. The expansion bolt is characterized in that a composite bolt mounting hole 321 is formed in one end, located outside the expansion pipe, of the expansion bolt, a composite bolt 34 in threaded connection is sleeved in the composite bolt mounting hole, a spring gasket 37 is arranged between the pressing plate and the composite bolt, and the outer diameter of the pressing plate is the same as that of the leveling gasket. The diameter of the composite bolt cap is larger than the outer diameter of the expansion bolt.

As shown in fig. 1 and 2, a cylindrical filler 4 is arranged between the fixing grooves of the shells on the adjacent external wall insulation integrated plates, and a waterproof adhesive 5 is filled on one side of the filler, which is far away from the wall body, and the water stopping grooves are filled with the waterproof adhesive. The filler is a foam rod, and the waterproof adhesive is waterproof weather-proof sealing structural adhesive.

In the installation process, an electric drill or an impact drill is used for drilling and punching the embedded hole on the ground or the wall body at the determined installation position in sequence, then the expansion pipe, the gasket and the expansion bolt assembly are inserted into the embedded hole, and the expansion bolt nut is screwed down to enable the expansion pipe and the expansion bolt to be stable on the wall body. And then installing an adjusting gasket, adjusting the leveling gasket according to the horizontal reference line, and adjusting the leveling gasket to a set position. And then, two adjacent external wall heat-insulation integrated plates are placed in parallel, the pressing plates are clamped in the corresponding pressing plate mounting holes, the pressing plates, the spring gaskets and the composite bolts are mounted and the composite bolt caps are rotated to be fastened, so that the adjacent external wall heat-insulation integrated plates are accurately mounted at the designed and specified positions. And then, placing the filler foam rod in the fixing groove, so that the filler foam rod is filled in the gap between the fixing grooves of the two adjacent external wall insulation integrated plates. Waterproof weather-proof sealing structure glue is uniformly injected above the filler foam rod, so that the water stopping groove is filled with the structure glue, the installation, the fixation, the sealing and the like of the external wall heat insulation integrated plate are completed, a cavity is formed between the wall body and the external wall heat insulation integrated plate, and a reasonable external wall heat insulation structure is formed by air and heat insulation materials in the external wall heat insulation integrated plate.

Through the compound expansion bolts and the leveling gaskets fixed on the wall, two adjacent external wall insulation integrated plates are fastened on the wall surface through the pressing plates, so that the use of adhesives can be avoided, and compared with the traditional rivet fixation, the installation fixation through the compound expansion bolts and the pressing plates increases the strength and the contact area of the installation fixation, improves the structural stability and avoids the looseness. Through the design on outer wall heat preservation intergral template has the fixed slot, will pack the foam stick embedding in the fixed slot, be difficult for collapsing to make the foam stick that packs stabilize the gap of embedding outer wall heat preservation intergral template, avoid packing the foam stick in the installation lower limit is non-uniform, influences follow-up waterproof resistant sealing structure and glues filling quality. Can enlarge waterproof resistant time sealing structure through the stagnant water groove and glue and keep warm intergral template bonding area, further interlock, prevent not hard up separation, improve waterproof resistant time sealing structure and glue and casing bonding strength, be favorable to preventing the rainwater infiltration, the life is glued to extension waterproof resistant time sealing structure, guarantee through the position of fixed slot that waterproof resistant time sealing structure glues reasonable thickness, further strengthen structural stability through the packing that stagnant water groove and waterproof resistant time sealing structure glue, prevention of seepage ability, thereby solve the structural stability difference of ubiquitous in the current external wall insulation board installation, the problem of easy infiltration.

Claims

1. An external wall heat-insulation structure comprises a wall body (1) and a plurality of external wall heat-insulation integrated plates (2), and is characterized in that a buried hole (11) is formed in the wall body; the outer wall heat-insulation integrated plate comprises a shell (21) and a heat-insulation material (23) filled in the shell, mounting strips (22) are respectively arranged at two ends of one surface of the shell, which is close to a wall, a plurality of pressing plate mounting holes (213) are arranged at the side of the shell, which is close to the wall mounting strips, and a fixing groove (211) and a water stopping groove (212) are respectively and sequentially arranged at one side of the shell, which is far away from the mounting strips;

a filler (4) is arranged between the fixing grooves of the shells on the adjacent external wall heat-insulation integrated plates, a waterproof binder (5) is filled on one side of the filler, which is far away from the wall body, and the water stopping grooves are filled with the waterproof binder; a composite expansion bolt (3) for fixed installation is arranged between adjacent external wall heat-insulation integrated plates, the composite expansion bolt comprises an expansion pipe (31) and an expansion bolt (32) with one end sleeved in the expansion pipe and the other end extending out of the expansion pipe, a part of the expansion bolt positioned outside the expansion pipe is provided with an expansion bolt nut (322), the expansion bolt positioned outside the expansion bolt nut is sleeved with a pressing plate (33), one end of the expansion bolt positioned outside the expansion pipe is provided with a composite bolt mounting hole (321), a composite bolt (34) in threaded connection is sleeved in the composite bolt mounting hole, a composite bolt cap (341) is arranged on the part of the composite bolt positioned outside the composite bolt mounting hole, and the diameter of the composite bolt cap is larger than the outer diameter of the expansion bolt; the pressing plates are located between the mounting strips of the external wall insulation integrated plates and the composite bolt caps, and two ends of each pressing plate are embedded into the pressing plate mounting holes of the adjacent external wall insulation integrated plates.

2. The exterior wall insulation structure according to claim 1, wherein the mounting bar has a hollow structure and a rectangular cross section.

3. The external wall insulation structure according to claim 1, wherein the outer diameter of the pressing plate is 1-2 times of that of the expansion bolt and nut.

4. The exterior wall insulation structure of claim 1, wherein the fixing groove is a circular arc groove.

5. The exterior wall insulation structure according to claim 1, wherein the water stopping groove is concave.

6. The external wall insulation structure of claim 1, wherein the part of the expansion bolt outside the expansion pipe is further sleeved with a leveling gasket (35), and the leveling gasket is in threaded connection with the expansion bolt and is positioned between the wall body and the pressing plate.

7. The external wall thermal insulation structure according to claim 6, wherein the diameter of the leveling gasket is 1-2 times of that of the expansion bolt and nut.