Anchor-bolt-free building waterproof heat preservation outer wall

Abstract

An anchor-bolt-free building waterproof heat preservation outer wall comprises a base layer wall body formed by splicing unit building blocks, a waterproof layer, a waterproof bonding layer and a heat preservation layer, the waterproof layer, the waterproof bonding layer and the heat preservation layer are arranged on the outer side of the wall body, each unit building block is formed by assembling and splicing foam blocks and concrete plates on the two sides, sleeves are inserted into the foam blocks, and connecting caps are embedded in the concrete plates. The connecting caps and the sleeves can be fixedly connected in a matched mode, so that the foam blocks are tightly attached to the side faces of the concrete slabs, traditional anchor bolt fixed connection is replaced, holes are avoided, seepage paths of the wall are reduced, heat bridges of the inner wall and the outer wall are avoided, and heat exchange between the inner wall and the outer wall is reduced to the maximum extent; and stable assembly and connection of the unit building blocks can be achieved through the matched sleeves and the connecting caps, and the heat preservation and waterproof performance of the whole outer wall is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation walls, in particular to a waterproof thermal insulation exterior wall of a building without anchor bolts. Background Art

[0002] The exterior wall needs to have a waterproof layer added, but in the traditional thin plastering system, a combination of bonding and anchoring is used, that is, bonding mortar is used for pasting, and anchor bolts are used for local fixing. Although this process increases stability, because the anchor bolt process requires drilling through the exterior wall, the holes opened will provide a seepage path, and the anchor bolts arranged throughout can act as a thermal bridge to achieve heat exchange between the inside and outside of the wall, thereby affecting the waterproofing and thermal insulation of the overall exterior wall. Utility Model Content

[0003] The utility model aims to provide a waterproof and heat-insulating exterior wall of a building without anchor bolts, which adopts a plug-in connection method in which a sleeve and a connecting cap are matched to replace traditional anchor bolt fixation, thereby solving the problems in the prior art.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a waterproof and heat-insulating exterior wall of a building without anchor bolts, including a base wall formed by splicing unit building blocks, the outer side of the base wall is equipped with a waterproof layer, a waterproof bonding layer and a heat-insulating layer, the unit building blocks include foam blocks, both sides of the foam blocks are connected to concrete slabs, wherein a plurality of slots are provided on the side where the foam blocks are connected to the concrete slabs, and a concentrically arranged circular groove is provided at each slot position, the circular groove is located on the upper side of the slot, a sleeve is cooperatively inserted in the slot, a cone head is provided at the bottom of the sleeve, a first through groove is provided on the outer periphery of the sleeve near the cone head, a rotatable insert knife is hingedly installed in the first through groove, a second through groove is provided on the outer periphery of the sleeve on the upper side of the first through groove, a swivel is installed in the circular groove, and the swivel is sleeved on the outer periphery of the sleeve The outer circumference of the sleeve is provided with a connecting plate matched with the second through groove in the rotating ring, and the end of the connecting plate extending into the sleeve through the second through groove is fixedly installed with a vertical shaft, and the vertical shaft matches with the inner cavity of the sleeve, and an elliptical protrusion is provided at the lower end of the vertical shaft, and the end of the inserting knife is provided with a shifting block matched with the outer circumferential surface of the elliptical protrusion. When the rotating ring rotates, it can synchronously drive the vertical shaft and the elliptical protrusion to rotate, and the rotation of the elliptical protrusion can squeeze the shifting block and allow the inserting knife to rotate from the first through groove into the foam block on the outer circumference of the slot, and a connecting cap is also pre-embedded in the concrete slab corresponding to the position of the slot, and a plurality of circles of limiting grooves are provided on the inner circumference of the connecting cap, and a clamping ring matched with the limiting groove is provided on the outer circumference of the upper end of the sleeve, and when the clamping ring is installed in the limiting groove in the connecting cap, the foam block fits tightly with the side of the concrete slab. The top surface of the foam block is provided with a protrusion, the bottom surface of the foam block is provided with a groove matching the protrusion, the front end surface of the foam block is provided with a protrusion, the rear end surface of the foam block is provided with a groove matching the protrusion, and the foam blocks between adjacent unit blocks are overlapped and matched with each other. The outer periphery of the swivel is provided with semicircular plates arranged in a circumference, and gaps are left between adjacent semicircular plates. The outer periphery of the sleeve is provided with a convex edge, which is located on the upper side of the second through groove, and the diameter of the convex edge is smaller than the diameter of the swivel. The swivel is located at the bottom of the convex edge, and the convex edge presses the swivel into the circular groove. The outer periphery of the connecting cap is provided with a plurality of annular reinforcing ribs, and the annular reinforcing ribs are pre-embedded in the concrete slab.

[0005] The positive effect of the utility model is that the waterproof and heat-insulating exterior wall of a building without anchor bolts described in the utility model includes a base wall formed by splicing unit building blocks, and a waterproof layer, a waterproof bonding layer and a heat-insulating layer on the outside of the wall. The unit building blocks are assembled and spliced ​​by foam blocks and concrete slabs on both sides. A sleeve is inserted in the foam block, and a connecting cap is pre-embedded in the concrete slab. The connecting cap and the sleeve can cooperate to fix the connection, thereby achieving a close fit between the foam block and the side of the concrete slab, replacing the traditional anchor bolt fixed connection, avoiding the opening of holes, reducing the seepage path of the wall, avoiding the formation of thermal bridges between the inner and outer walls, and minimizing the heat exchange between the inner and outer walls. In addition, the matching sleeve and the connecting cap can achieve a stable assembly connection of the unit building blocks, ensuring the heat-insulating and waterproof performance of the overall exterior wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 It is a structural schematic diagram of the utility model;

[0007] Figure 2 It is a structural schematic diagram of a unit building block;

[0008] Figure 3 It is a schematic diagram of the structure of the foam block;

[0009] Figure 4 It is a schematic diagram of the structure of a concrete slab;

[0010] Figure 5 It is a partial cutaway view of a unit block;

[0011] Figure 6 yes Figure 5 An enlarged view of the AA section view;

[0012] Figure 7 yes Figure 6 Middle BB section view;

[0013] Figure 8 yes Figure 6 Middle CC section view;

[0014] Fig. 9 It is a schematic diagram of the structure of the sleeve;

[0015] Fig.10 1 is a schematic diagram of the structure of the connecting cap;

[0016] Fig.11 yes Figure 7 Schematic diagram of the state where the middle insert knife has not rotated out of the first through slot;

[0017] Fig.12 yes Figure 2 Another axonometric view of the middle unit block;

[0018] Fig.13 yes Figure 1 Front view of the structure. DETAILED DESCRIPTION

[0019] The utility model discloses a waterproof and heat-insulating exterior wall of a building without anchor bolts, such as Figure 1 As shown, it includes a base wall formed by splicing unit blocks, and the outer side of the base wall is equipped with a waterproof layer 3, a waterproof bonding layer 4 and a thermal insulation layer 5.

[0020] like Figure 2 As shown, the unit building block includes a foam block 1, and concrete slabs 2 are connected to both sides of the foam block 1. The foam block 1 plays a role of heat preservation, and the concrete slabs 2 can improve the strength of the entire unit building block. In order to realize the assembly connection between the foam block 1 and the concrete slabs 2 on both sides, as shown in FIG. Figure 3-6 As shown, a plurality of slots 6 are provided on the side where the foam block 1 is connected to the concrete slab 2, and a concentrically arranged circular groove 7 is provided at the position of each slot 6. The diameter of the circular groove 7 is larger than the diameter of the slot 6, and the circular groove 7 is located on the upper side of the slot 6. A sleeve 8 is inserted in the slot 6.

[0021] The bottom of the sleeve 8 is provided with a cone head 9, which is inserted and fixed at the bottom position of the slot 6. A first through groove 10 is opened on the outer circumference of the sleeve 8 near the cone head 9. Figure 7 As shown, a rotatable inserting knife 11 is hingedly installed in the first through groove 10 , and the inserting knife 11 is rotated and inserted into the foam block 1 to achieve fixed installation between the sleeve 8 and the foam block 1 .

[0022] A second through groove 12 is provided on the outer circumference of the sleeve 8 above the first through groove 10. A swivel 13 is installed in the circular groove 7. The swivel 13 is sleeved on the outer circumference of the sleeve 8. Figure 8 As shown, a connecting plate 14 matching with the second through groove 12 is provided in the rotating ring 13, and a vertical shaft 15 is fixedly installed on the end of the connecting plate 14 extending into the sleeve 8 through the second through groove 12. The vertical shaft 15 matches with the inner cavity of the sleeve 8, and an elliptical protrusion 16 is provided at the lower end of the vertical shaft 15. When the rotating ring 13 rotates, the vertical shaft 15 and the elliptical protrusion 16 can be driven to rotate synchronously through the connecting plate 14.

[0023] The end of the inserting knife 11 is provided with a shifting block 17 which matches with the outer peripheral surface of the elliptical protrusion 16. When the rotating ring 13 rotates, it can synchronously drive the vertical shaft 15 and the elliptical protrusion 16 to rotate. The rotation of the elliptical protrusion 16 can squeeze the shifting block 17 and allow the inserting knife 11 to rotate from the first through groove 10 into the foam block 1 on the outer periphery of the insertion slot 6.

[0024] A connecting cap 18 is also pre-buried in the concrete slab 2 at the position corresponding to the slot 6. The inner circumference of the connecting cap 18 is provided with a plurality of circles of limiting grooves 19. The outer circumference of the upper end of the sleeve 8 is provided with a clamping ring 20 that matches the limiting groove 19. When the clamping ring 20 is installed in the limiting groove 19 in the connecting cap 18, the foam block 1 fits tightly against the side of the concrete slab 2.

[0025] The sleeve 8 is made of metal material and can be fixedly installed in the foam block 1. The connecting cap 18 is made of hard plastic. The connecting cap 18 is embedded in advance when the concrete slab 2 is made to achieve the filling of the connecting cap 18 in the concrete slab 2. The matching connection between the connecting cap 18 and the clamping ring 20 on the sleeve 8 can achieve a tight assembly between the foam block 1 and the concrete slab 2, replacing the traditional penetration of anchor bolts, avoiding the opening of through holes in the wall, and can effectively reduce the seepage path, playing a corresponding waterproof function.

[0026] The installation process of the sleeve 8 is as follows: the sleeve 8 is inserted into each slot 6 in turn, the cone head 9 is inserted and fixed into the foam block 1 at the bottom of the slot 6 to achieve preliminary fixation, and the swivel 13 on the outer periphery of the sleeve 8 enters the circular groove 7. At this time, the insert 11 on the sleeve 8 is completely located in the first through groove 10, as shown in FIG. Fig.11 As shown, there will be no interference with the insertion of the sleeve 8. After installation, the rotating ring 13 is rotated to make the vertical shaft 15 and the elliptical protrusion 16 rotate synchronously. During the rotation of the elliptical protrusion 16, the shifting block 17 is pushed to move, and then the inserting knife 11 is rotated from the first through groove 10 into the foam block 1 on the periphery of the slot 6 to further fix the sleeve 8. At this time, the clamping ring 20 at the upper end of the sleeve 8 is located on the outside of the foam block 1. The concrete slab 2 with the connecting cap 18 is aligned with each sleeve 8 and snapped together to achieve the assembly connection between the concrete slab 2 and the foam block 1.

[0027] In order to achieve the stability of the rotation of the vertical shaft 15 and the elliptical protrusion 16, and the connection firmness of the inserting knife 11 into the foam block 1, the first through groove 10 and the second through groove 12 opened in the sleeve 8 are both symmetrically arranged, and the two inserting knives 11 are inserted into the foam block 1 and connected and fixed, and the rotating ring 13 is fixedly connected to the vertical shaft 15 through two connecting plates 14.

[0028] Furthermore, in order to achieve the coordinated splicing between adjacent unit blocks, Figure 2 and Fig.12 As shown, the top surface of the foam block 1 is provided with a protrusion, the bottom surface of the foam block 1 is provided with a groove matching the protrusion, the front end surface of the foam block 1 is provided with a protrusion, and the rear end surface of the foam block 1 is provided with a groove matching the protrusion. The foam blocks 1 between adjacent unit building blocks are overlapped and matched with each other, which can effectively improve the stability and firmness of the overall base wall.

[0029] Furthermore, in order to facilitate the rotation of the rotating ring 13 in the circular groove 7, a circumferentially arranged semicircular plates 21 are provided on the outer circumference of the rotating ring 13, and gaps are left between adjacent semicircular plates 21. A tool such as a screwdriver can be used to extend into the gaps between the semicircular plates 21 in the circular groove 7 to rotate the rotating ring 13, so that the sleeve 8 allows the insert 11 to rotate and be inserted into the foam block 1 for fixation during the installation process.

[0030] Furthermore, in order to facilitate the vertical pressing of the sleeve 8 into the slot 6 and to achieve axial limitation of the swivel 13 on the sleeve 8, a convex edge 22 is provided on the outer periphery of the sleeve 8, and the convex edge 22 is located on the upper side of the second through groove 12. The diameter of the convex edge 22 is smaller than the diameter of the swivel 13. The swivel 13 is located at the bottom of the convex edge 22. The convex edge 22 presses the swivel 13 tightly into the circular groove 7, wherein the convex edge 22 is also located in the circular groove 7, so that no gap will be generated in the tight fitting connection between the foam block 1 and the concrete slab 2.

[0031] Furthermore, in order to increase the contact area between the connection cap 18 and the concrete slab 2 during production and enhance the embedded strength of the connection cap 18 in the concrete slab 2 , a plurality of annular reinforcing ribs 23 are provided on the outer periphery of the connection cap 18 , and the annular reinforcing ribs 23 are embedded in the concrete slab 2 .

[0032] In the new version of the "Code for Fire Protection Design of Buildings" GB50016-2014, Article 6.7 restricts the building's exterior wall materials, among which Class A materials and Class B1 materials are the most commonly used. Some special B1 and B2 materials can be used as Class A materials by compounding 50mm thick non-combustible materials. Due to the high thermal conductivity of Class A materials, the insulation thickness under the new fire protection code is significantly increased compared to the original insulation thickness.

[0033] The new version of Shandong Province's "Residential Building Energy Saving Design Standard" has increased the energy saving requirements from the original standard of 75% energy saving to 83%, and the requirements for exterior wall insulation performance have been greatly improved. Since some buildings must also meet the requirements of Shandong Province's "Shandong Province Green Building Evaluation Standards". For example, the insulation performance of the building envelope of a one-star building is increased by 5%, the insulation performance of the building envelope of a two-star building is increased by 10%, and the insulation performance of the building envelope of a three-star building is increased by 20%. Therefore, the insulation thickness has been increased to a point that the original system cannot bear.

[0034] In the new version of the "General Specification for Waterproofing of Buildings and Municipal Engineering", 4.5.2 clearly requires that masonry structures need to be waterproofed in two ways, one for waterproof mortar and one for paint or other waterproof materials. Cast-in-place concrete or prefabricated concrete exterior walls require one or more waterproofing methods. Therefore, more steps need to be added to the existing construction process to achieve waterproof performance.

[0035] The anchor-free waterproof and heat-insulating exterior wall of the building described in the utility model is equipped with a waterproof layer 3, a waterproof bonding layer 4 and a heat-insulating layer 5 in sequence on the outer side of the base wall, wherein the waterproof layer 3 can be a waterproof mortar or a waterproof coating, and the waterproof bonding layer 4 can be a polymer-modified cement mortar or other waterproof mortar with waterproof and bonding properties, so that the waterproof layer and the bonding layer are combined into one, and 100% full coverage and full bonding are required, and the heat-insulating layer 5 can be a Class A / B class heat-insulating material or a Class B material covered with 50mm non-combustible material, so as to solve the improvement of new standards and new requirements for new processes, improve safety and stability, and comply with existing national standards. The waterproof bonding layer 4 can be composed of independently arranged waterproof layers and bonding layers, wherein the waterproof layer can be a waterproof mortar or a waterproof coating, and the bonding layer can be a special structural adhesive for concrete and blocks or other bonding materials that are 100% fully covered and fully bonded.

[0036] The anchor-free waterproof and thermal insulation exterior wall of the utility model solves the following problems:

[0037] 1. The thin plaster system is old and cannot withstand thicker insulation materials:

[0038] The thin plaster system was born in Europe 50 years ago and was introduced to China 20 years ago. It is a relatively mature but quite old exterior wall insulation bonding system. Due to the new specification requirements, the exterior wall uses Class A or Class B materials and is improved to higher energy-saving requirements. Therefore, the thickness of the exterior wall will increase from 50mm 20 years ago to nearly 200mm. This is a problem that was not considered at the beginning of the thin plaster system. In the original thin plaster system, several commonly used materials, such as extruded polystyrene board, polystyrene board, rock wool, etc., have a current thickness that is much greater than the thickness when my country introduced the thin plaster technology 20 years ago under the new insulation requirements and green building requirements. The traditional thin plaster system is no longer applicable to existing building insulation materials. (Comparing the material thickness 20 years ago with the material thickness under the new specification, it can be found that the thickness increment is far greater than the allowable range of the process, such as the extruded polystyrene board from 20mm to 140mm, the rock wool from 40mm to 180mm, and the polystyrene board from 30mm to 160mm. The redundancy of the original process cannot cover such a large thickness)

[0039] 2. Conflict between new standards:

[0040] The new waterproofing general rules require that a waterproof layer be added to the exterior wall (see Article 4.5.2 of the General Specifications for Waterproofing of Buildings and Municipal Engineering). However, in the traditional thin plastering system, a combination of bonding and anchoring is used, that is, bonding mortar is used for pasting and anchor bolts are used for local fixing. Although this process increases stability, the anchor bolt process requires piercing the exterior wall, thereby destroying the waterproof layer and rendering the previous waterproof layer ineffective.

[0041] 3. Disadvantages of thin plastering system construction management:

[0042] The thin plastering system is perfect in theory, but when it comes to on-site construction, it depends more on the sense of responsibility of the workers on site, whether the material bonding range can reach 60%-80%, whether there are 6-8 anchor bolts per square meter, whether the anchor bolt holes meet the anchor bolt diameter requirements, etc. Since more real estate is now reducing costs and increasing efficiency, there are insufficient management personnel, so it is impossible to manage a large number of operations on site. These problems will have a huge impact on the stability of the later exterior wall insulation system. As time goes by, there have been many accidents in various places where the insulation exterior walls of the thin plastering system have fallen off, causing major safety hazards. Therefore, some parts of the country have banned the use of thin plastering exterior wall insulation systems.

[0043] The anchor-free waterproof and heat-insulating exterior wall of the building described in the utility model realizes the requirements of the new specifications, and fundamentally realizes the requirements of the "Code for Fire Protection of Building Design", "General Code for Waterproofing of Buildings and Municipal Engineering", "Residential Building Energy-Saving Design Standard", "Assembled Building Evaluation Standard", and "Public Building Energy-Saving Design Standard". It is a supplement to the L13J series of atlases issued by the Shandong Provincial Department of Housing and Urban-Rural Development, and is also an upgrade of special atlases such as traditional commonly used materials (such as polystyrene board atlas L15J110, extruded polystyrene board atlas L15J109, graphite extruded polystyrene board atlas L15J109, graphite molded polystyrene board atlas L14SJ174, rock wool board atlas L12J142, STP-2 insulation board atlas L21ZJ118, etc.). Its advantages are as follows:

[0044] Super strong safety performance: Shandong Province extruded polystyrene board, polystyrene board, rock wool, polyurethane board, stp2 and other building materials thin plaster system specifications require that the tensile bond strength of the bonding mortar (with cement mortar) does not exceed 0.7MPa, and the tensile strength of polymer modified cement mortar or structural special adhesive is not less than 1.5MPa. If used in an environment with low requirements, such as a one-story building, ordinary bonding mortar can be used to reduce bonding requirements and reduce costs.

[0045] Excellent waterproofing: The traditional thin plastering system requires anchor bolts to connect the inner wall and the outer insulation, which causes the waterproof layer to be penetrated, resulting in waterproof failure. If the new technology is used, there is no longitudinal connection to ensure the continuity of waterproofing.

[0046] Reduce cold bridges: Because the original system has longitudinal components, it also leads to a longitudinal heat transfer path between the insulation layer and the wall, which reduces the insulation performance. After adopting the new system, all insulation surfaces are continuous, without longitudinal cold bridges, which improves the insulation performance of the original building.

[0047] Process upgrade: Replaced the thin plastering system that has been used in China for 20 years, and adapted to the new building specifications while ensuring safety and efficiency.

[0048] Convenient for on-site management: Since all steps adopt the full-spread and full-bonding process, different colors of pigments can be added in different steps. With on-site video monitoring, each step can be recorded and controlled, which can fundamentally eliminate problems such as wrong steps and insufficient materials. If an assembled factory is used for processing, machines can be used for large-scale construction. While improving efficiency, it also ensures the high quality of the product.

[0049] Prefabricated components (using prefabricated methods): Prefabricated components are produced in factories and can be mass-produced by machines, which improves work efficiency, reduces human errors, improves product quality, and reduces product costs. After increasing standardization and modularization, they can be reused in many future projects, improving the turnover efficiency of the factory.

[0050] Non-combustible materials (using prefabricated methods): Since the materials are assembled in the factory, all combustible materials are wrapped with non-combustible materials and transported to the construction site. They have the characteristics of non-combustible materials and have good fire resistance compared to the original exposed materials on site.

[0051] Flexibility (using prefabricated methods): Since the wall is a composite of insulation, waterproofing and wall, the outer wall can adopt a variety of exterior wall forms such as traditional coating technology and curtain wall technology, which has little impact on the overall appearance of the building.

[0052] The technical solution of the present invention is not limited to the scope of the embodiments described in the present invention. The technical contents not described in detail in the present invention are all known technologies.

Claims

1. An anchor-free building waterproof and thermal insulation exterior wall, characterized in that: The invention relates to a base wall body formed by splicing unit building blocks, wherein the outer side of the base wall body is equipped with a waterproof layer (3), a waterproof bonding layer (4) and a thermal insulation layer (5), wherein the unit building block comprises a foam block (1), and both sides of the foam block (1) are connected to a concrete slab (2), wherein a plurality of slots (6) are provided on the side where the foam block (1) is connected to the concrete slab (2), and each slot (6) is provided with a concentrically arranged circular groove (7), the circular groove (7) being located on the upper side of the slot (6), and a sleeve is inserted into the slot (6) The sleeve (8) is provided with a cone head (9) at the bottom thereof, a first through groove (10) is provided on the outer circumference of the sleeve (8) near the cone head (9), a rotatable inserting knife (11) is hingedly installed in the first through groove (10), a second through groove (12) is provided on the outer circumference of the sleeve (8) above the first through groove (10), a swivel (13) is installed in the circular groove (7), the swivel (13) is sleeved on the outer circumference of the sleeve (8), a connecting plate (14) matching with the second through groove (12) is provided in the swivel (13), and the connecting plate (14) A vertical shaft (15) is fixedly installed at the end portion extending into the sleeve (8) through the second through groove (12), and the vertical shaft (15) matches with the inner cavity of the sleeve (8). An elliptical protrusion (16) is provided at the lower end of the vertical shaft (15), and a shifting block (17) matching with the outer peripheral surface of the elliptical protrusion (16) is provided at the end portion of the inserting knife (11). When the rotating ring (13) rotates, it can synchronously drive the vertical shaft (15) and the elliptical protrusion (16) to rotate. The rotation of the elliptical protrusion (16) can squeeze the shifting block (17) and allow the inserting knife (11) to rotate. ) is rotated from the first through groove (10) into the foam block (1) on the outer periphery of the slot (6); a connection cap (18) is also pre-buried in the concrete slab (2) at a position corresponding to the slot (6); a plurality of ring limit grooves (19) are provided on the inner periphery of the connection cap (18); a clamping ring (20) matching the limit grooves (19) is provided on the outer periphery of the upper end of the sleeve (8); when the clamping ring (20) is fitted in the limit grooves (19) in the connection cap (18), the foam block (1) is tightly fitted to the side of the concrete slab (2).

2. The anchor-free waterproof and thermal insulation exterior wall of a building according to claim 1, characterized in that: The top surface of the foam block (1) is provided with a protrusion, the bottom surface of the foam block (1) is provided with a groove matching the protrusion, the front end surface of the foam block (1) is provided with a protrusion, and the rear end surface of the foam block (1) is provided with a groove matching the protrusion, and the foam blocks (1) between adjacent unit building blocks are overlapped and matched with each other.

3. The anchor-free waterproof and thermal insulation exterior wall of a building according to claim 1, characterized in that: The outer circumference of the rotating ring (13) is provided with circumferentially arranged semicircular plates (21), with gaps being left between adjacent semicircular plates (21).

4. The anchor-free waterproof and thermal insulation exterior wall of a building according to claim 1, characterized in that: The outer circumference of the sleeve (8) is provided with a convex edge (22), the convex edge (22) is located on the upper side of the second through groove (12), the diameter of the convex edge (22) is smaller than the diameter of the rotating ring (13), the rotating ring (13) is located at the bottom of the convex edge (22), and the convex edge (22) presses the rotating ring (13) into the circular groove (7).

5. The anchor-free waterproof and thermal insulation exterior wall of a building according to claim 1, characterized in that: The outer circumference of the connection cap (18) is provided with a plurality of annular reinforcement ribs (23), and the annular reinforcement ribs (23) are pre-buried in the concrete slab (2).

Images