CN219411613U - Waterproof sealing structure for seam between sandwich heat-insulating external wall boards - Google Patents
Waterproof sealing structure for seam between sandwich heat-insulating external wall boards Download PDFInfo
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- CN219411613U CN219411613U CN202320687896.XU CN202320687896U CN219411613U CN 219411613 U CN219411613 U CN 219411613U CN 202320687896 U CN202320687896 U CN 202320687896U CN 219411613 U CN219411613 U CN 219411613U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
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Abstract
The utility model relates to the technical field of building waterproofing, and discloses a waterproof sealing structure for a seam between sandwich heat-insulating external wallboards, which comprises a prefabricated wall body, a prefabricated heat-insulating wallboard, a seam cavity, PE rods, sealing weather-proof glue, a waterproof paint layer, a mounting groove, an anti-cracking glass grid and a mortar paint layer, wherein the prefabricated heat-insulating wallboard is arranged on the outer side of the prefabricated wall body. According to the waterproof sealing structure, the PE rods, the sealing weather-proof glue and the waterproof paint layers are sequentially filled in the joint cavities from inside to outside, the PE rods play a role in filling, the sealing weather-proof glue plays a role in sealing, moisture and water are prevented, the waterproof paint layers in the mounting grooves play a role in filling water and leakage prevention, the anti-cracking glass grids and the mortar paint layers are filled in the mounting grooves, an anti-cracking sealing effect is achieved, waterproof construction quality is guaranteed through multiple combined waterproof measures, the structure has a double waterproof treatment effect of building construction and material waterproof, and leakage of an outer wall can be effectively reduced.
Description
Technical Field
The utility model relates to the technical field of building waterproofing, in particular to a waterproof sealing structure for a seam between sandwich heat-insulating external wallboards.
Background
In recent years, along with the development of industrialized houses in China, a novel prefabricated composite external wall insulation board technology, namely a novel external wall sandwich insulation technology, is developed, namely, an insulation material is placed in the middle of a concrete wall body structure, and is poured into a novel heat insulation system integrally formed in a prefabricated member factory together with the whole wall body; with the continual innovation and development of assembly technology, prefabricated PC components have replaced some of the cast-in-place concrete in engineering.
At present, after the prefabricated external wall boards are installed, the prefabricated external wall boards are possibly in an external environment for a long time and corroded by the environment, the external wall leakage risk exists at the joint between the prefabricated external wall boards, the waterproof sealing performance of the joint of the external wall boards is insufficient, so that corrosion is caused to the wall body, even the external wall is caused to fall off and other unexpected conditions, aiming at the risk hidden danger, the joint between the prefabricated sandwich heat-insulating external wall boards is subjected to waterproof reinforcement treatment, the anti-leakage effect is achieved, and the waterproof sealing structure of the joint between the sandwich heat-insulating external wall boards is provided for solving the problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a waterproof sealing structure for the joints between sandwich heat-insulating external wall boards, which has the advantages of building structure and material waterproof dual waterproof treatment, can more effectively reduce leakage of the external wall, and solves the problems that the leakage risk of the external wall exists at the joints between the prior prefabricated external wall boards, the waterproof sealing performance of the joints of the external wall is insufficient, thereby corroding the wall and even falling off the external wall.
(II) technical scheme
In order to realize the aim of realizing the double waterproof treatment of the building structure and the material and effectively reducing the leakage of the outer wall, the utility model provides the following technical scheme: the waterproof sealing structure for the seam between sandwich heat-insulating external wall boards comprises a prefabricated wall body, a prefabricated heat-insulating wall board, a seam cavity, a PE rod, sealing weather-proof glue, a waterproof paint layer, a mounting groove, an anti-cracking glass grid and a mortar paint layer;
the PE rod, the sealing weather-proof glue and the waterproof paint layer are sequentially filled in the seam cavity from inside to outside, and the PE rod is bonded with the sealing weather-proof glue;
the mounting groove is formed in the joint of one side, far away from the prefabricated wall, of the prefabricated heat-insulating wallboard, the anti-cracking glass grid is arranged on the inner side of the mounting groove, the mortar coating layer is smeared on the anti-cracking glass grid, and the mortar coating layer is located in the mounting groove.
Preferably, the PE rod is a polyethylene rod.
Preferably, the weather-proof sealant is polyurethane waterproof sealant.
Preferably, the anti-cracking glass grid is alkali-resistant glass grid cloth.
Preferably, the waterproof paint layer is JS waterproof paint.
Preferably, the mounting groove is an MM groove, the joint cavity and the mounting groove are in communication, and the waterproof paint layer is smeared in the mounting groove.
Preferably, the middle part of the joint cavity is inclined, and two sides of the joint cavity are horizontal.
Preferably, the PE rod and the sealing weather-proof glue are positioned in a joint cavity parallel interval.
(III) beneficial effects
Compared with the prior art, the utility model provides a waterproof sealing structure for the joint between sandwich heat-insulating external wallboards, which has the following beneficial effects:
1. this waterproof seal structure of seam between sandwich heat preservation side fascia sets up between adjacent prefabricated heat preservation wallboard through installing prefabricated heat preservation wallboard on prefabricated wall body, the seam cavity sets up between adjacent prefabricated heat preservation wallboard, its inside has packed PE stick, sealed weather-proof glue and waterproof paint layer from inside to outside in proper order, the PE stick plays the filling effect, sealed weather-proof glue plays the leakproofness, prevent moist and waterproof, waterproof paint layer is comparatively thoroughly and stable plays waterproof leak protection effect to the water source, the seam cavity outside is equipped with the mounting groove, waterproof paint layer sets up in it, play better packing waterproof effect, the possibility of leaking the gap has been reduced, crack control glass net and mortar paint layer are filled in the mounting groove, play crack control sealed effect, through multiple combination waterproofing measure, guarantee waterproof construction quality, make this structure have building construction and material waterproof dual waterproof treatment effect, can more effectually reduce the outer wall seepage.
2. This waterproof seal structure of seam between sandwich heat preservation side fascia is through setting up the PE stick and be the polyethylene stick, and heat-resisting cold-resistant ability is better to be difficult for because external high temperature or cold take place to expand or shrinkage, it is better to prevent that the crack is prevented frostbite effect, and the leakproofness is excellent.
3. This waterproof seal structure of seam between sandwich heat preservation side fascia is waterproof sealing glue of polyurethane through setting up sealed weather-proof glue, and the sealing glue has high tensile strength, good elasticity, wearability, oil resistance and cold resistance to reach comparatively powerful thermal protection winter protection effect, supplementary sealed effect of playing.
4. The sandwich heat-insulating external wall panel seam waterproof sealing structure is formed by arranging an anti-cracking glass grid as alkali-resistant glass grid cloth, taking medium alkali or alkali-free glass fiber woven fabric as a basis and treating the medium alkali or alkali-free glass fiber woven fabric by an alkali-resistant coating.
5. According to the waterproof sealing structure for the joint between the sandwich heat-insulating external wallboards, the JS waterproof coating is adopted as the waterproof coating layer, is a green environment-friendly material, does not pollute the environment, and has the advantages of stable performance, excellent ageing resistance and long waterproof service life; the construction method is safe to use, convenient to construct and simple to operate, and can be directly constructed on a wet base surface without exposed water.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a schematic elevational view of the structure of the present utility model;
FIG. 3 is an enlarged schematic view of structure A of FIG. 2 in accordance with the present utility model;
fig. 4 is an enlarged schematic view of the structure B of fig. 3 according to the present utility model.
In the figure: 1. prefabricating a wall body; 2. prefabricating a heat preservation wallboard; 3. a seaming cavity; 4. a PE rod; 5. sealing weather-resistant glue; 6. a waterproof paint layer; 7. a mounting groove; 8. an anti-cracking glass grid; 9. and (5) a mortar coating layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a waterproof sealing structure for joints between sandwich heat-insulating external wall boards comprises a prefabricated wall body 1, a prefabricated heat-insulating wall board 2, a joint cavity 3, a PE rod 4, sealing weather-proof glue 5, a waterproof paint layer 6, an installation groove 7, an anti-cracking glass grid 8 and a mortar paint layer 9;
the prefabricated heat-insulating wall boards 2 are arranged on the outer sides of the prefabricated wall boards 1, the joint cavities 3 are positioned between two adjacent prefabricated heat-insulating wall boards 2, the PE rods 4, the sealing weather-proof glue 5 and the waterproof paint layers 6 are sequentially filled in the joint cavities 3 from inside to outside, and the PE rods 4 are bonded with the sealing weather-proof glue 5;
the installation groove 7 is arranged at a joint of the prefabricated heat-insulating wallboard 2, which is far away from one side of the prefabricated wall body 1, the anti-cracking glass grid 8 is arranged at the inner side of the installation groove 7, the mortar coating layer 9 is smeared on the anti-cracking glass grid 8, and the mortar coating layer 9 is positioned in the installation groove 7;
the beneficial effects to be expressed by the scheme are as follows: through at seam cavity 3 inside from inside to outside packing in proper order and having installed PE stick 4, sealed weather-proof glue 5 and waterproof paint layer 6, PE stick 4 plays the filling effect, sealed weather-proof glue 5 plays the leakproofness, prevent moist and waterproof, waterproof paint layer 6 in the mounting groove 7 plays better packing waterproof effect, reduced the possibility of leaking the gap, crack control glass net 8 and mortar paint layer 9 are filled in mounting groove 7, play crack control sealed effect, through multiple combination waterproof measure, guarantee waterproof construction quality, make this structure have building construction and the waterproof dual waterproof treatment effect of material, can more effectually reduce the outer wall seepage.
Further, the PE rod 4 is a polyethylene rod;
through setting up PE stick 4 for the polyethylene stick, heat-resisting cold-resistant ability is better to be difficult for because external high temperature or cold take place to expand or shrinkage, it is better to prevent the crack freeze-proof effect, and the leakproofness is excellent.
Further, the sealing weather-proof glue 5 is polyurethane waterproof sealing glue;
the sealing weather-proof adhesive 5 is polyurethane waterproof sealing adhesive, and the sealing adhesive has high tensile strength, excellent elasticity, wear resistance, oil resistance and cold resistance, so that a relatively strong heat and cold prevention effect is achieved, and the sealing effect is assisted.
Further, the anti-cracking glass mesh 8 is alkali-resistant glass mesh cloth;
the anti-cracking glass mesh 8 is arranged to be alkali-resistant glass mesh cloth, is formed by treating an alkali-resistant coating on the basis of a medium alkali or alkali-free glass fiber woven fabric, has high strength, good cohesiveness, good adhesion and excellent positioning property, is widely applied to the aspects of wall reinforcement, external wall heat preservation, roof water prevention and the like, has good alkali resistance, can prevent alkali water from corroding the sealing weather-resistant glue 5, and increases the protection capability of the device.
Further, the waterproof paint layer 6 is JS waterproof paint;
the JS waterproof paint layer 6 is a JS waterproof paint, which is a green environment-friendly material, does not pollute the environment, has stable performance, excellent aging resistance and long waterproof life; the construction method is safe to use, convenient to construct and simple to operate, and can be directly constructed on a wet base surface without exposed water.
Further, the installation groove 7 is a 50 x 10mm groove, the joint cavity 3 and the installation groove 7 are in communication design, and the waterproof paint layer 6 is smeared in the installation groove 7;
through setting up mounting groove 7 for the 50 10MM recesses of department, make crack control glass net 8 and mortar dope layer 9 can stably paint in mounting groove 7, increased the whole laminating of structure and installed the ability. The waterproof coating layer 6 is positioned on the inner side of the mounting groove 7, so that the waterproof effect is good, gaps are not easy to generate, and the leakage-proof effect is good.
Furthermore, the middle part of the joint cavity 3 is inclined, and the two sides are horizontal;
through setting up the middle part of seam cavity 3 and being the slope form, and both sides are the horizontality, make the water source can be owing to gravity effect downward sloping to be difficult for corroding to the depths of seam cavity 3, the holistic water-proof effects of structure is better.
Further, the PE rod 4 and the sealing weather-proof glue 5 are positioned in the parallel interval of the joint cavity 3;
through setting up PE stick 4 and sealed weather-proof glue 5 and being in seam cavity 3 parallel interval, make PE stick 4 and sealed weather-proof glue 5 can play better sealed and elasticity filling effect, waterproof structure holistic waterproof and elasticity are better.
It should be noted that, each device in this application is common market equipment, can select according to the demand when specifically using, and the circuit connection relation of each device all belongs to simple series connection, parallel connection circuit, does not have innovation point at this circuit connection, and the realization that the technical staff can be comparatively easy belongs to prior art, and is not repeated.
Working principle: through installing prefabricated heat preservation wallboard 2 on prefabricated wall body 1, seam cavity 3 sets up between adjacent prefabricated heat preservation wallboard 2, PE stick 4 has been installed by inside-to-outside packing in proper order to its inside, sealed weather-proof glue 5 and waterproof paint layer 6, PE stick 4 plays the effect of packing, sealed weather-proof glue 5 plays the leakproofness, prevent moist and waterproof, waterproof paint layer 6 is comparatively thoroughly and stable plays waterproof leak protection effect to the water source, seam cavity 3 outside is equipped with mounting groove 7, waterproof paint layer 6 sets up in it, play better packing waterproof effect, the possibility of leaking the gap has been reduced, crack control glass net 8 and mortar paint layer 9 are packed in mounting groove 7, play crack control sealing effect, through multiple combination waterproof measure, guarantee waterproof construction quality, make this structure have building construction and material waterproof dual waterproof treatment effect, can more effectually reduce the outer wall seepage, the piece has the outer wall leakage risk between the prefabricated outer wallboard of existence, the waterproof sealing performance of outer wall piece department is not enough, thereby cause the erosion to the wall even cause the outer wall to drop problem.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Waterproof sealing structure of seam between sandwich heat preservation side fascia, its characterized in that: the wall comprises a prefabricated wall body (1), a prefabricated heat-insulating wallboard (2), a joint cavity (3), PE rods (4), sealing weather-proof glue (5), a waterproof paint layer (6), an installation groove (7), an anti-cracking glass grid (8) and a mortar paint layer (9);
the prefabricated heat-insulating wall boards (2) are arranged on the outer sides of the prefabricated wall bodies (1), the joint cavities (3) are positioned between two adjacent prefabricated heat-insulating wall boards (2), the PE rods (4), the sealing weather-proof adhesive (5) and the waterproof coating layers (6) are sequentially filled in the joint cavities (3) from inside to outside, and the PE rods (4) are bonded with the sealing weather-proof adhesive (5);
the installation groove (7) is formed in the joint of one side, far away from the prefabricated wall body (1), of the prefabricated heat-insulating wallboard (2), the anti-cracking glass grid (8) is arranged on the inner side of the installation groove (7), the mortar coating layer (9) is smeared on the anti-cracking glass grid (8), and the mortar coating layer (9) is located in the installation groove (7).
2. The waterproof sealing structure for the joint between sandwich insulating external wallboards according to claim 1, which is characterized in that: the PE rod (4) is a polyethylene rod.
3. The waterproof sealing structure for the joint between sandwich insulating external wallboards according to claim 1, which is characterized in that: the sealing weather-proof glue (5) is polyurethane waterproof sealing glue.
4. The waterproof sealing structure for the joint between sandwich insulating external wallboards according to claim 1, which is characterized in that: the anti-cracking glass grid (8) is alkali-resistant glass grid cloth.
5. The waterproof sealing structure for the joint between sandwich insulating external wallboards according to claim 1, which is characterized in that: the waterproof paint layer (6) is JS waterproof paint.
6. The waterproof sealing structure for the joint between sandwich insulating external wallboards according to claim 1, which is characterized in that: the installation groove (7) is a 50 x 10MM groove, the joint cavity (3) and the installation groove (7) are in communication, and the waterproof paint layer (6) is smeared in the installation groove (7).
7. The waterproof sealing structure for the joint between sandwich insulating external wallboards according to claim 1, which is characterized in that: the middle part of the joint cavity (3) is inclined, and two sides of the joint cavity are horizontal.
8. The waterproof sealing structure for the joint between sandwich insulating external wallboards according to claim 7, wherein: the PE rod (4) and the sealing weather-proof adhesive (5) are positioned in a parallel section of the joint cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687896.XU CN219411613U (en) | 2023-03-31 | 2023-03-31 | Waterproof sealing structure for seam between sandwich heat-insulating external wall boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687896.XU CN219411613U (en) | 2023-03-31 | 2023-03-31 | Waterproof sealing structure for seam between sandwich heat-insulating external wall boards |
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| Publication Number | Publication Date |
|---|---|
| CN219411613U true CN219411613U (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320687896.XU Active CN219411613U (en) | 2023-03-31 | 2023-03-31 | Waterproof sealing structure for seam between sandwich heat-insulating external wall boards |
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| CN (1) | CN219411613U (en) |
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2023
- 2023-03-31 CN CN202320687896.XU patent/CN219411613U/en active Active
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