CN111519930A - Heat-insulating and energy-saving structure for outer wall of old house and transformation and construction process thereof - Google Patents
Heat-insulating and energy-saving structure for outer wall of old house and transformation and construction process thereof Download PDFInfo
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- CN111519930A CN111519930A CN202010378317.4A CN202010378317A CN111519930A CN 111519930 A CN111519930 A CN 111519930A CN 202010378317 A CN202010378317 A CN 202010378317A CN 111519930 A CN111519930 A CN 111519930A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000009466 transformation Effects 0.000 title description 9
- 238000009413 insulation Methods 0.000 claims abstract description 68
- 239000004744 fabric Substances 0.000 claims description 25
- 238000004321 preservation Methods 0.000 claims description 18
- 239000004570 mortar (masonry) Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000009527 percussion Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 description 7
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- 230000004048 modification Effects 0.000 description 2
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0296—Repairing or restoring facades
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- Civil Engineering (AREA)
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Abstract
The invention relates to an external wall heat-insulating energy-saving structure of an old house and a reconstruction construction process thereof. The joint filling blocks are filled between the two adjacent heat insulation plates, and the joint filling blocks are fully filled in the gaps between the two heat insulation plates, so that the gaps between the two adjacent heat insulation plates are reduced, and the heat insulation effect on the outer wall is improved.
Description
Technical Field
The invention relates to the technical field of old house outer wall modification, in particular to an old house outer wall heat-insulation energy-saving structure and a modification construction process thereof.
Background
The transformation of old houses is an important work in urban construction planning. In the renovation and transformation process of the old house, the heat preservation and transformation of the outer wall of the old house are very important, so that the heat loss of the wall body of the outer wall is reduced, and a good living environment is provided for residents in the old house.
At present, to the mode of laying the heated board of the major adoption of external wall insulation, it has heated board, net cloth and mortar layer to bond in proper order on the external wall surface, at the in-process of laying the heated board, is a plurality of cubic with the heated board according to the outer wall size cutting, arranges the heated board after a plurality of cutting in proper order and bonds on the outer wall to use expansion bolts and plastic pad to anchor seam all around the heated board and the heated board in the middle of, guarantee the joint strength between heated board and the outer wall. However, in the construction process, the two adjacent insulation boards are not easy to position, the compression effect of the joint is poor only through the expansion bolts and the plastic gaskets, the gap of the joint of the two insulation boards is large, and the insulation quality is affected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an old house outer wall heat-insulation energy-saving structure which is convenient for positioning the installation of heat-insulation plates and has better heat-insulation quality.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an old house outer wall heat preservation energy-saving structure, includes a plurality of bonds at the heated board on outer wall surface, bonds and keep away from the net cloth of outer wall one side, cover the anti crack mortar on net cloth at the heated board, all can dismantle all around of heated board is connected with the connecting piece, adjacent two form the filling groove through two connecting pieces between the heated board, be provided with the piece of caulking that the material is the same with the heated board in the filling groove.
Through adopting above-mentioned technical scheme, use the heated board to bond on the outer wall to this heat preservation effect that improves the outer wall to, fill the piece of caulking between two adjacent heated boards, will fill in the piece of caulking fully fills the gap between two heated boards, thereby reduce the gap between two adjacent heated boards, improve the heat preservation effect to the outer wall. And the compactness and the stability of the connection between the heat-insulating plate and the outer wall are improved through the grid cloth and the anti-crack mortar, and the firmness and the corrosion resistance of the modified outer wall are improved.
The present invention in a preferred example may be further configured to: the connecting piece comprises a connecting bottom plate and a connecting side plate, wherein the connecting bottom plate is arranged at one end of the heat insulation plate and is detachably connected with the heat insulation plate, and the connecting side plate is fixedly provided with the connecting bottom plate at one side far away from the heat insulation plate;
the connecting side plates are parallel to the surface of the outer wall and are abutted against the outer wall, the two adjacent connecting side plates between the heat insulation plates are abutted against each other, and the two connecting bottom plates and the two connecting side plates form the filling grooves.
Through adopting above-mentioned technical scheme, connect the bottom plate and connect the curb plate and form the L template, use two relative butt of L template can form the filling groove to installation between two adjacent heated boards provides locate function.
The present invention in a preferred example may be further configured to: the connecting bottom plate is detachably connected with the heat-insulating plate through a plurality of self-tapping screw type screws, and a plurality of countersunk holes are formed in the connecting bottom plate.
Through adopting above-mentioned technical scheme, when will connect the bottom plate and install on the heated board, can use directly to pass the counter sink from the tapping screw and twist on the heated board, connected mode is simple convenient to the piece of caulking can not interfered in screw and counter sink cooperation.
The present invention in a preferred example may be further configured to: the caulking block is connected to the outer wall by an expansion bolt.
Through adopting above-mentioned technical scheme, expansion bolts is simple to use convenient, and joint strength is higher, can guarantee the compactness of being connected between piece and the heated board of caulking.
The present invention in a preferred example may be further configured to: and one side of each connecting side plate, which is far away from the connecting bottom plate, is provided with a positioning groove, the two positioning grooves are oppositely abutted to form a positioning hole after the two connecting side plates are oppositely abutted, the joint filling block is provided with a connecting hole corresponding to the positioning hole, and the expansion bolt sequentially penetrates through the connecting hole and the positioning hole to be connected to the outer wall.
Through adopting above-mentioned technical scheme, owing to seted up positioning groove on the connection curb plate, when the installation heated board, can positioning groove be next heated board of benchmark installation, make two positioning groove correspond the butt and be the locating hole, will joint a crack the piece and put into the filling inslot back again, make connecting hole and locating hole align to guarantee the position relation between joint a crack piece and the filling groove.
The present invention in a preferred example may be further configured to: the positioning hole is a waist-shaped hole.
By adopting the technical scheme, the relative position error of the two connecting plates can be reduced, and the position error between the connecting hole and the positioning hole on the joint filling block can be reduced.
The present invention in a preferred example may be further configured to: the side of the joint filling block close to the connecting bottom plate is fixedly provided with a flange which is abutted against the side of the connecting bottom plate far away from the outer wall, and the side faces of the flange, the joint filling block and the heat insulation plate far away from the outer wall are all located on the same plane.
Through adopting above-mentioned technical scheme, owing to there is the connection bottom plate to be located between piece and the heated board of caulking, lead to the piece and the heated board of caulking between can't closely laminate, with the flange setting in the one end of connecting the bottom plate, make the flange be full of piece and the heated board of caulking, further reduce the gap between piece and the heated board of caulking, improve the heat preservation effect of outer wall.
The invention aims to provide a construction process for heat-insulating and energy-saving reconstruction of the outer wall of the old house, which is simple and convenient in the reconstruction construction process of the outer wall of the old house and enables the heat-insulating effect of the outer wall to be better.
The above object of the present invention is achieved by the following technical solutions:
the construction process for heat-insulating energy-saving reconstruction of the outer wall of the old house comprises the above heat-insulating energy-saving structure of the outer wall of the old house, and comprises the following construction steps:
A. performing base layer treatment, namely removing the original outer skin on the outer wall of the old house, and performing leveling and ash removal work;
B. after the connecting pieces are arranged on the periphery of the heat insulation board, the heat insulation board is coated with adhesive and is adhered to the outer wall, so that the heat insulation board is covered on the outer wall, the connecting pieces between two adjacent heat insulation boards correspond to each other, and the two positioning grooves form positioning holes;
C. placing the joint filling block into the filling groove by using an expansion bolt, and ensuring that the side surface of the joint filling block is flush with the side surface of the heat insulation plate;
D. adhering a grid cloth on the surface of the heat insulation plate to ensure that the grid cloth uniformly covers the heat insulation plate;
E. and coating anti-crack mortar on the mesh cloth, and spraying outer wall paint after the anti-crack mortar is dried.
Through adopting above-mentioned technical scheme, the work progress that carries out heat preservation energy-saving transformation to the outer wall in old house is reasonable convenient to use the piece of caulking to fill up the gap between two adjacent heated boards, reduce the gap between the heated board, improve the heat preservation effect to the wall body, and be connected closely knit between heated board and the outer wall, guarantee the firmness and the corrosion resistance of outer wall after the transformation.
The present invention in a preferred example may be further configured to: when installing the connecting piece on the heated board, make connecting bottom plate and heated board one end align the back, directly use the screw to pass the counter sink and screw on the heated board.
Through adopting above-mentioned technical scheme, because the heated board material is comparatively soft, can use the screw of self tapping silk formula directly to twist in the heated board, save the step that drills out the screw hole on the heated board to improve the inseparable degree between heated board and the connecting piece.
The present invention in a preferred example may be further configured to: when the joint filling block is installed, a hole for the expansion screw is drilled on the outer wall through the positioning hole by using a percussion drill, and then the joint filling block is placed into the filling groove.
By adopting the technical scheme, the hole used by the expansion bolt can be conveniently and directly drilled, and the steps of marking, positioning and the like are omitted.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the heat insulation performance of the outer wall of an old house is enhanced by adhering the heat insulation boards to the outer wall, and a gap between two adjacent heat insulation boards is filled by using a gap filling block, so that the gap between two adjacent heat insulation boards is reduced, and the heat insulation effect of the outer wall is improved;
2. the heated board uses the screw to be connected with the connecting piece before bonding, and the mounting means is simple firm to the connecting piece can play locate function to the installation that the heated board played, makes the transformation work progress of outer wall simple convenient.
Drawings
FIG. 1 is a schematic structural view of an external wall heat-insulating and energy-saving structure;
FIG. 2 is a partial exploded view showing the connection relationship between the insulation board and the connecting member;
fig. 3 is a partial exploded view showing the connection relationship of the caulking block and two connecting members.
In the figure, 1, a heat insulation plate; 2. a caulking block; 21. connecting holes; 22. an expansion bolt; 23. a flange; 3. mesh cloth; 4. anti-crack mortar; 5. a connecting member; 51. connecting the bottom plate; 511. a countersunk hole; 52. a screw; 53. connecting the side plates; 531. a positioning groove; 532. positioning holes; 6. filling the groove; 7. and (5) an outer wall.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the heat-insulating and energy-saving structure for the outer wall of the old house disclosed by the invention comprises a plurality of heat-insulating plates 1 bonded on the surface of the outer wall 7, wherein the heat-insulating plates 1 are rectangular plates parallel to the surface of the outer wall 7, the heat-insulating plates 1 are uniformly laid and covered on the surface of the outer wall 7, a joint filling block 2 is arranged between every two adjacent heat-insulating plates 1, and the joint filling block 2 is used for filling a gap between every two adjacent heat-insulating plates 1, so that the gap at the joint of every two adjacent heat-insulating plates 1 is reduced, and the heat-insulating effect. One side of the heat-insulating plate 1, which is far away from the wall body of the outer wall 7, is paved with the gridding cloth 3, the gridding cloth 3 is bonded on the heat-insulating plate 1 by using the finishing glue, and the splicing parts of the two adjacent gridding cloths 3 are mutually lapped together. The side, far away from the heat insulation board 1, of the grid cloth 3 is paved with anti-crack mortar 4, and the anti-crack mortar 4 is uniformly coated on all the grid cloth 3 and is bonded on the heat insulation board 1 through the grid cloth 3.
Referring to fig. 1 and 2, the peripheries of the heat-insulating plates 1 are detachably connected with connecting pieces 5, and a filling groove 6 matched with the joint filling block 2 is formed between every two adjacent heat-insulating plates 1 through the two connecting pieces 5. Connecting piece 5 is including connecting bottom plate 51, connects bottom plate 51 along the length direction setting of heated board 1 one end and parallel with heated board 1's terminal surface, connects bottom plate 51 and is connected with heated board 1's terminal surface through a plurality of fasteners, and a plurality of fasteners are along the even interval distribution of length direction of connecting bottom plate 51. The fastener is a self-tapping screw 52, a countersunk hole 511 matched with the screw 52 is formed in the connecting bottom plate 51, the screw 52 penetrates through the countersunk hole 511 to be inserted into the heat-insulating plate 1 to be in threaded connection with the heat-insulating plate, and the head end face of the screw 52 is flush with the side face of the connecting bottom plate 51.
Referring to fig. 2, a connecting side plate 53 is fixedly arranged on one side of the connecting bottom plate 51 away from the heat insulation plate 1, the connecting side plate 53 is arranged along the length direction of the connecting bottom plate 51, and the connecting side plate 53 is parallel to the surface of the outer wall 7 and abuts against the surface of the outer wall 7. Between two adjacent insulation boards 1, the connecting side plates 53 on the two insulation boards 1 are opposite and abut against each other.
Referring to fig. 2 and 3, a plurality of positioning grooves 531 are formed on one side of the connecting side plate 53 away from the connecting bottom plate 51, and the positioning grooves 531 are uniformly distributed at intervals along the length direction of the connecting side plate 53. When the two connecting side plates 53 are abutted against each other, the two corresponding positioning grooves 531 are abutted against each other to form positioning holes 532, and the positioning holes 532 are waist-shaped holes along the length direction of the connecting side plates 53, so that a filling groove 6 matched with the caulking block 2 is formed between the two connecting bottom plates 51.
Referring to fig. 1 and 3, the caulking block 2 is a rectangular parallelepiped block, the caulking block 2 and the heat insulation board 1 are both made of the same material, and the caulking block 2 is located in the filling groove 6, so that the caulking block 2 abuts against the two connecting side plates 53. The side face, far away from the connecting side plate 53, of the joint filling block 2 and the heat insulation plate 1 are located on the same plane, the side face, close to the connecting bottom plate 51, of the joint filling block 2 is fixedly provided with a flange 23, the side faces, far away from the wall body of the outer wall 7, of the flange 23 and the heat insulation plate 1 are also located on the same plane, and the flange 23 abuts against one end, far away from the wall body of the outer wall 7, of the.
Referring to fig. 3, the caulking block 2 is provided with a plurality of connecting holes 21, and the plurality of connecting holes 21 correspond to the plurality of positioning holes 532 one to one. After the joint filling block 2 is placed in the filling groove 6, the connecting hole 21 and the positioning hole 532 are aligned, and the expansion bolt 22 sequentially penetrates through the connecting hole 21 and the positioning hole 532 and is inserted into the wall body of the outer wall 7, so that the joint filling block 2 is extruded to one side of the connecting side plate 53, the joint filling block 2 is fully filled in the filling groove 6, and gaps between two adjacent heat insulation plates 1 are sequentially reduced.
Through setting up joint filling block 2 in the gap department between two adjacent heated boards 1 to use expansion bolts 22 to extrude joint filling block 2 to outer wall 7 one side, thereby reduce the gap between two adjacent heated boards 1, improve the heat preservation effect to outer wall 7. Wherein, when installation heated board 1, positioning groove 531 can also play the positioning action to heated board 1, and the convenience when being convenient for align between two adjacent heated board 1 improves the thermal insulation construction to outer wall 7.
The construction process for heat preservation, energy conservation and reconstruction of the outer wall of the old house comprises the above heat preservation structure of the outer wall of the old house, and comprises the following construction steps:
A. base wall treatment
Removing original outer skins on the 7 surfaces of the outer walls of old houses, cleaning the wall surfaces, cleaning floating ash on the wall surfaces, and leveling the convex positions and the concave positions of the wall surfaces by using cement mortar;
B. measuring and positioning
Measuring a reference point on the outer wall 7, leading out to an external thermal insulation operating line of the outer wall 7, and selecting a thermal insulation board 1 and a joint filling block 2 with proper sizes;
C. sticking thermal insulation board
Firstly, mounting a connecting bottom plate 51 and a connecting side plate 53 around a heat insulation plate 1 by using screws 52, then coating an adhesive on the side surface of the heat insulation plate 1, then pressing the heat insulation plate 1 onto the wall surface of an outer wall 7, scraping the extruded adhesive by using a scraper knife, ensuring tight bonding, laying the heat insulation plates 1 in the sequence from left to right and from top to bottom, and aligning the connecting side plates 53 between two adjacent heat insulation plates 1 to ensure that two positioning grooves 531 form positioning holes 532;
when the connecting bottom plate 51 and the connecting side plate 53 are installed, after the connecting bottom plate 51 is aligned with one end of the heat-insulating plate 1, the screw 52 is directly screwed on the heat-insulating plate 1 through the countersunk hole 511;
D. installation joint filling block
Placing the joint filling block 2 into the filling groove 6 between two adjacent insulation boards 1, inserting the joint filling block 2 into a wall body after penetrating through the connecting hole 21 and the positioning hole 532 by using an expansion bolt 22, and extruding the joint filling block 2 to one side of the wall body to enable the surface of the joint filling block 2 to be flush with the surface of the insulation board 1;
before installing the joint filling block 2, drilling a hole used by the expansion bolt 22 on the wall body through the positioning hole 532 by using an impact drill, and then placing the joint filling block 2 into the filling groove 6;
E. laying gridding cloth
Checking whether the surface of the heat insulation board 1 is dry, removing harmful substances, impurities and the like, smearing a layer of surface coating glue with the area slightly larger than that of one piece of grid cloth 3 on the surface of the heat insulation layer, immediately pressing the grid cloth 3 on the heat insulation board 1, and sequentially laying the grid cloth 3 from top to bottom;
F. coating anti-crack mortar
And (3) coating the prepared anti-crack mortar 4 on the grid cloth 3, coating the anti-crack mortar 4 on the bottom layer twice, coating the anti-crack mortar 4 on the surface layer after the anti-crack mortar 4 on the bottom layer is primarily solidified, covering all the grid cloth 3, slightly seeing the outline of the grid cloth 3, and finally spraying the paint of the outer wall 7 after the anti-crack mortar 4 on the surface layer is dried, thereby finishing the reconstruction construction of the heat-insulating structure of the outer wall 7 of the old house.
By the construction method, the outer wall 7 of the old house is subjected to heat preservation and energy saving transformation, the construction process is simple and convenient, the construction sequence is reasonable, the connection between the heat preservation plate 1 and the outer wall 7 is tight, the service life is long, and the heat preservation effect of the outer wall 7 is good.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides an old house outer wall heat preservation energy-saving structure, includes a plurality of bonds at heated board (1) on outer wall (7) surface, bonds at heated board (1) and keeps away from net cloth (3) of outer wall (7) one side, covers anti crack mortar (4) on net cloth (3), its characterized in that: the insulation board is characterized in that connecting pieces (5) are detachably connected to the periphery of each insulation board (1), a filling groove (6) is formed between every two adjacent insulation boards (1) through the two connecting pieces (5), and joint filling blocks (2) which are made of the same materials as the insulation boards (1) are arranged in the filling grooves (6).
2. The heat-insulating and energy-saving structure for the outer wall of the old house according to claim 1, which is characterized in that: the connecting piece (5) comprises a connecting bottom plate (51) which is arranged at one end of the heat insulation plate (1) and is detachably connected with the heat insulation plate, and a connecting side plate (53) which is fixedly provided with the connecting bottom plate (51) and is far away from one side of the heat insulation plate (1);
the connecting side plates (53) are parallel to the surface of the outer wall (7) and abut against the outer wall (7), the two adjacent connecting side plates (53) between the heat insulation plates (1) abut against each other, and the two connecting bottom plates (51) and the two connecting side plates (53) form the filling grooves (6).
3. The heat-insulating and energy-saving structure for the outer wall of the old house according to claim 2, characterized in that: the connecting bottom plate (51) is detachably connected with the heat-insulating plate (1) through a plurality of self-tapping screw type screws (52), and a plurality of countersunk holes (511) are formed in the connecting bottom plate (51).
4. The heat-insulating and energy-saving structure for the outer wall of the old house according to claim 2, characterized in that: the joint filling block (2) is connected to the outer wall (7) through an expansion bolt (22).
5. The heat-insulating and energy-saving structure for the outer wall of the old house according to claim 4, characterized in that: one side of each connecting side plate (53) far away from the connecting bottom plate (51) is provided with a positioning groove (531), the two positioning grooves (531) are oppositely abutted to form a positioning hole (532) after the two connecting side plates (53) are oppositely abutted, a connecting hole (21) corresponding to the positioning hole (532) is formed in the joint filling block (2), and the expansion bolt (22) sequentially penetrates through the connecting hole (21) and the positioning hole (532) to be connected to the outer wall (7).
6. The heat-insulating and energy-saving structure for the outer wall of the old house according to claim 5, characterized in that: the positioning hole (532) is a waist-shaped hole.
7. The external wall heat-insulating and energy-saving structure of the old house according to any one of claims 2 to 5, characterized in that: one side, close to the connecting bottom plate (51), of the joint filling block (2) is fixedly provided with a flange (23), the flange (23) abuts against one side, far away from the outer wall (7), of the connecting bottom plate (51), and the side faces, far away from the outer wall (7), of the flange (23), the joint filling block (2) and the heat insulation plate (1) are located on the same plane.
8. An old house external wall heat preservation energy-saving reconstruction construction process comprises the old house external wall (7) heat preservation energy-saving structure in the claims 1-7, and the construction steps are as follows:
A. performing base layer treatment, namely removing the original outer skin on the outer wall (7) of the old house, and performing leveling and ash removal work;
B. after the connecting pieces (5) are arranged on the periphery of the heat insulation board (1), adhesive is coated on the heat insulation board (1) and is adhered to the outer wall (7), so that the heat insulation board (1) is covered on the outer wall (7), the connecting pieces (5) between two adjacent heat insulation boards (1) correspond to each other, and the two positioning grooves (531) form positioning holes (532);
C. the joint filling block (2) is placed into the filling groove (6) by using an expansion bolt (22), and the side face of the joint filling block (2) is ensured to be flush with the side face of the heat insulation plate (1);
D. the surface of the heat preservation plate (1) is bonded with the gridding cloth (3), so that the gridding cloth (3) is uniformly covered on the heat preservation plate (1);
E. and coating anti-crack mortar (4) on the mesh cloth (3), and spraying paint on the outer wall (7) after the anti-crack mortar (4) is dried.
9. The heat-insulating energy-saving reconstruction construction process for the outer wall of the old house according to claim 8, characterized in that: when installing connecting piece (5) on heated board (1), make connecting bottom plate (51) and heated board (1) one end align the back, directly use screw (52) to pass counter sink (511) and screw on heated board (1).
10. The heat-insulating energy-saving reconstruction construction process for the outer wall of the old house according to claim 8, characterized in that: when the joint filling block (2) is installed, a hole used by the expansion screw (52) is drilled on the outer wall (7) through the positioning hole (532) by using a percussion drill, and then the joint filling block (2) is placed into the filling groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010378317.4A CN111519930A (en) | 2020-05-07 | 2020-05-07 | Heat-insulating and energy-saving structure for outer wall of old house and transformation and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010378317.4A CN111519930A (en) | 2020-05-07 | 2020-05-07 | Heat-insulating and energy-saving structure for outer wall of old house and transformation and construction process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111519930A true CN111519930A (en) | 2020-08-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718201A (en) * | 2022-05-06 | 2022-07-08 | 北京首控建设工程有限责任公司 | Pasting structure and construction method for external wall heat-insulation board of old house |
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Application publication date: 20200811 |