CN216840763U - Wall screw hole block structure - Google Patents
Wall screw hole block structure Download PDFInfo
- Publication number
- CN216840763U CN216840763U CN202122623536.7U CN202122623536U CN216840763U CN 216840763 U CN216840763 U CN 216840763U CN 202122623536 U CN202122623536 U CN 202122623536U CN 216840763 U CN216840763 U CN 216840763U
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- Prior art keywords
- screw hole
- rubber block
- waterproof mortar
- mortar
- crack
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- 229920001971 elastomer Polymers 0.000 claims abstract description 52
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 46
- 239000000945 filler Substances 0.000 claims abstract description 26
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 25
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 25
- 229920002635 polyurethane Polymers 0.000 claims abstract description 16
- 239000004814 polyurethane Substances 0.000 claims abstract description 16
- 239000011247 coating layer Substances 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000005336 cracking Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000011527 polyurethane coating Substances 0.000 description 2
- 238000003326 Quality management system Methods 0.000 description 1
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The utility model discloses a wear wall screw hole block structure, which comprises a wall body, the screw rod hole, earlier put the block rubber one, earlier put block rubber two, rearmounted anti crack waterproof mortar one, rearmounted anti crack waterproof mortar two, the one end stopper in screw rod hole has earlier put block rubber one, the middle part packing in screw rod hole has polyurethane foam filler, the other end stopper in screw rod hole has earlier put block rubber two, earlier put block rubber one, polyurethane foam filler, earlier put block rubber two and be covered with the screw rod hole, polyurethane foam filler solidification back, rearmounted anti crack waterproof mortar one is replaced and is put block rubber one earlier, rearmounted anti crack waterproof mortar two are replaced and is put block rubber two earlier, rearmounted anti crack waterproof mortar is located the outdoor side, the wall body surface of rearmounted anti crack waterproof mortar one side scribbles two-layer polyurethane waterproof coating layer. The construction method has the advantages of convenient and quick site construction, reasonable process connection, convenient material use, convenient site construction, ordered installation, streamlined operation, reasonable and effective technical guarantee measures, construction efficiency improvement and engineering cost reduction.
Description
Technical Field
The utility model belongs to the technical field of the wall body construction, in particular to wear wall screw rod hole block structure.
Background
A large number of wall-through bolt holes are formed in the outer wall of a common residential project and need to be plugged, and the holes are plugged by using anti-crack mortar mixed with a micro-expanding agent in the traditional construction process. The problem that the cavity plugged by the traditional process is easy to cause poor plugging and water leakage of the outer wall due to uneven shrinkage is solved, and particularly, a water leakage point is difficult to find after the heat insulation of the outer wall is finished.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wear wall screw rod hole block structure for the cavity of solving and adopting traditional technology shutoff causes the not tight problem that leads to the outer wall of shutoff to leak because of inhomogeneous shrink easily.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a through-wall screw hole plugging structure comprises a wall body, a screw hole, a first pre-arranged rubber block, a second pre-arranged rubber block, a first post-arranged anti-cracking waterproof mortar and a second post-arranged anti-cracking waterproof mortar, wherein the first pre-arranged rubber block is plugged at one end of the screw hole, a polyurethane foam filler is filled in the middle of the screw hole, the second pre-arranged rubber block is plugged at the other end of the screw hole, the first pre-arranged rubber block, the polyurethane foam filler and the second pre-arranged rubber block are fully distributed in the screw hole, the first pre-arranged rubber block and the second pre-arranged rubber block are located at the end part of the screw hole opening and have tapered structures with the diameters being increased, the first pre-arranged rubber block and the second pre-arranged rubber block are in interference fit in the screw hole, the polyurethane foam filler is cured, the first post-arranged anti-cracking waterproof mortar replaces the first pre-arranged rubber block, the second post-arranged anti-cracking waterproof mortar replaces the second pre-arranged rubber block, and the post-arranged anti-cracking waterproof mortar is located at the outdoor side, and two polyurethane waterproof coating layers are coated on the surface of the wall body on one side of the rear anti-crack waterproof mortar.
By adopting the technical scheme, the method of adopting the polyurethane foam filling agent in the middle of the hole utilizes the expansibility, compactness, waterproofness and flexibility of the polyurethane foam filling agent, can avoid the phenomenon of later-stage outer wall leakage caused by gaps generated by material shrinkage after plugging of dry and hard mortar in the common method, and ensures the filling compactness by arranging the rubber block, and simultaneously prevents the polyurethane foam filling agent from polluting mortar filling parts at two ends of the hole to cause the problem of increasing manpower.
Preferably, the depth of the first rear anti-crack waterproof mortar and the second rear anti-crack waterproof mortar extending into the screw hole is 30 mm.
By adopting the technical scheme, the thickness of the waterproof mortar is reasonable.
Preferably, the thickness of the two polyurethane waterproof coating layers is 0.5-0.7mm respectively, and the total thickness is 1-1.5 mm.
Through adopting above-mentioned technical scheme, water-proof effects is good.
Preferably, the two polyurethane waterproof coating layers are circular, the diameter of the inner layer is 100m, and the diameter of the outer layer is 70 mm.
Through adopting above-mentioned technical scheme, water-proof effects is good.
Preferably, the minimum thickness of the two polyurethane waterproofing coating layers is not less than 80% of the design thickness.
Through adopting above-mentioned technical scheme, water-proof effects is good.
The beneficial effects of the utility model are embodied in: by adopting the method of the polyurethane foam filling agent in the middle of the hole, the expansibility, the compactness, the waterproofness and the flexibility of the polyurethane coating of the outer wall are utilized, the phenomenon of later outer wall leakage caused by gaps generated by material shrinkage after plugging of dry and hard mortar in the common method can be avoided, and by arranging the rubber blocks, the filling compactness is ensured, and the polyurethane foam filling agent is prevented from polluting mortar filling parts at two ends of the hole to increase the labor, so that the process is reasonable, the site construction is convenient and quick, the process connection is reasonable, the material is convenient to use, the site construction is convenient and quick, the installation is orderly, the streamlined operation is realized, the technical guarantee measures are reasonable and effective, the construction efficiency is improved, and the engineering cost is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description.
Drawings
FIG. 1 is a schematic side view of a polyurethane foam filler according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a side view of a polyurethane foam filler according to an embodiment of the present invention after curing;
fig. 3 is a schematic front view of an embodiment of the present invention.
Reference numerals: 1. a wall body; 2. a screw hole; 3. firstly, placing a rubber block I; 4. firstly, placing a rubber block II; 5. placing anti-crack waterproof mortar I; 6. a second anti-crack waterproof mortar is arranged at the rear; 7. a polyurethane foam filler; 8. polyurethane waterproof coating layer.
Detailed Description
The technical solutions of the present invention are described in detail below by way of examples, and the following examples are merely illustrative and can only be used to explain and illustrate the technical solutions of the present invention, but cannot be interpreted as limitations of the technical solutions of the present invention.
Referring to the figures 1-3, a plugging structure for a wall-penetrating screw hole 2 comprises a wall body 1, a screw hole 2, a first pre-positioned rubber block 3, a second pre-positioned rubber block 4, a first post-positioned anti-cracking waterproof mortar 5 and a second post-positioned anti-cracking waterproof mortar 6, wherein the first pre-positioned rubber block 3 is plugged at one end of the screw hole 2, a polyurethane foam filler 7 is filled in the middle of the screw hole 2, the second pre-positioned rubber block 4 is plugged at the other end of the screw hole 2, the first pre-positioned rubber block 3, the polyurethane foam filler 7 and the second pre-positioned rubber block 4 are fully distributed in the screw hole 2, the first pre-positioned rubber block 3 and the second pre-positioned rubber block 4 are in tapered structures with enlarged diameters at the end parts of the hole opening of the screw hole 2, the first pre-positioned rubber block 3 and the second pre-positioned rubber block 4 are in interference fit in the screw hole 2, the first pre-positioned anti-cracking waterproof mortar 5 to replace the first pre-positioned rubber block 3 after the polyurethane foam filler 7 is cured, the second post-positioned anti-cracking waterproof mortar 6 to replace the second pre-positioned rubber block 4, the rear anti-crack waterproof mortar is positioned outside the room, and the surface of the wall body 1 on the 5 side of the rear anti-crack waterproof mortar is coated with two polyurethane waterproof coating layers 8.
By adopting the method of the polyurethane foam filling agent 7 in the middle of the hole, the expansibility, compactness, waterproofness and flexibility of the polyurethane coating of the polyurethane foam filling agent 7 are utilized, the phenomenon of later-stage outer wall leakage caused by gaps generated by material shrinkage after plugging of dry and hard mortar in the common method can be avoided, and by arranging the rubber blocks, the filling compactness is ensured, and the polyurethane foam filling agent 7 is prevented from polluting mortar filling parts at two ends of the hole to cause the problem of increasing labor.
The depth of the first rear anti-crack waterproof mortar 5 and the second rear anti-crack waterproof mortar 6 extending into the screw hole 2 is 30mm, and the thickness of the waterproof mortar is reasonable.
The thickness of the two polyurethane waterproof coating layers 8 is 0.5-0.7mm, the total thickness is 1-1.5mm, and the waterproof effect is good. The two polyurethane waterproof coating layers 8 are circular, the diameter of the inner layer is 100m, the diameter of the outer layer is 70mm, and the waterproof effect is good. The minimum thickness of the two polyurethane waterproof coating layers 8 is not less than 80% of the design thickness, and the waterproof effect is good.
3 percent of micro-expansion agent is added into the first post-anti-crack waterproof mortar 5 and the second post-anti-crack waterproof mortar 6, so that the anti-permeability performance is improved.
The concrete construction steps are as follows, 1, bolt hole sleeve picking chiseling and peripheral garbage cleaning;
2. blocking one end by using a rubber plug;
3. filling the intermediate portion with a polyurethane foam filler;
4. plugging the other end by using a rubber plug;
5. after the joint filling glue is solidified, pulling out the rubber plug;
6. plugging two ends of the hole by using anti-crack mortar mixed with a micro-expanding agent;
7. the outer wall is coated with polyurethane waterproof paint.
The quality requirements are as follows
1. The thickness of the polyurethane waterproof coating is controlled within 0.5-0.7mm in each brushing, and the total thickness is not less than 1mm and not more than 1.5 mm.
2. The thickness of the waterproof layer is required to meet the design requirement, and the minimum thickness is not less than 80% of the design value.
The detection method comprises the following steps: the needle measurements or the cutting of 20mmX20mm samples were measured with calipers.
3. The waterproof layer is firmly bonded with the base layer, the surface is smooth, the painting is uniform, and the defects of flowing, folding, matrix exposure, edge warping and the like are avoided.
The detection method comprises the following steps: inspection by observation
4. The quality inspection and evaluation are strictly carried out on the materials, equipment and the like entering the field, and unqualified products are forbidden to be used. The field sampling quantity of the waterproof coating is as follows: every 1t is a batch, and less than 1t is sampled by one batch. The appearance quality package is intact, which shows the product name, specification, production date, manufacturer, product validity period and meets the relevant standard requirements.
5. Constructors and technicians strictly carry out the technical end-of-work before work according to technical end-of-work requirements, process inspection and supervision are carried out, and after each process is inspected and accepted, the next process construction can be carried out. And establishing a sound quality management system and a quality assurance system, and implementing seriously.
6. The anti-crack waterproof mortar is prepared strictly according to the technical requirement, the pressed gap filler and the poured mortar are required to be dense, and the opening is kept flat with the wall surface after being polished. And (4) performing spot check irregularly during construction, and immediately performing rework treatment when finding out unqualified products.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a wall screw rod hole block structure which characterized in that: the anti-crack and anti-water screw comprises a wall body (1), a screw hole (2), a first rubber block (3), a second rubber block (4), a polyurethane foam filler (7), a first anti-crack and anti-water mortar (5) and a second anti-crack and anti-water mortar (6), wherein the first rubber block (3) is filled in one end of the screw hole (2), the polyurethane foam filler (7) is filled in the middle of the screw hole (2), the second rubber block (4) is filled in the other end of the screw hole (2), the first rubber block (3), the polyurethane foam filler (7) and the second rubber block (4) are fully distributed in the screw hole (2), the end parts of the first rubber block (3) and the second rubber block (4) at the orifice of the screw hole (2) are provided with tapered structures with the diameters being increased, and the first rubber block (3) and the second rubber block (4) are in interference fit in the screw hole (2), after the polyurethane foam filler (7) is cured, the first postposition anti-crack waterproof mortar (5) replaces the first preposition rubber block (3), the second postposition anti-crack waterproof mortar (6) replaces the second preposition rubber block (4), the postposition anti-crack waterproof mortar is positioned at the outdoor side, and the surface of the wall body (1) at the first postposition anti-crack waterproof mortar (5) side is coated with two polyurethane waterproof coating layers (8).
2. A through-wall screw hole plugging structure according to claim 1, characterized in that: the depth of the first postposition anti-crack waterproof mortar (5) and the second postposition anti-crack waterproof mortar (6) extending into the screw hole (2) is 30 mm.
3. A through-wall screw hole plugging structure according to claim 2, wherein: the thickness of the two polyurethane waterproof coating layers (8) is 0.5-0.7mm respectively, and the total thickness is 1-1.5 mm.
4. A through-wall screw hole plugging structure according to claim 3, wherein: the two polyurethane waterproof coating layers (8) are circular, the diameter of the inner layer is 100m, and the diameter of the outer layer is 70 mm.
5. A through-wall screw hole block structure of claim 4, characterized in that: the minimum thickness of the two polyurethane waterproof coating layers (8) is not less than 80% of the designed thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122623536.7U CN216840763U (en) | 2021-10-29 | 2021-10-29 | Wall screw hole block structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122623536.7U CN216840763U (en) | 2021-10-29 | 2021-10-29 | Wall screw hole block structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216840763U true CN216840763U (en) | 2022-06-28 |
Family
ID=82098265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122623536.7U Active CN216840763U (en) | 2021-10-29 | 2021-10-29 | Wall screw hole block structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216840763U (en) |
-
2021
- 2021-10-29 CN CN202122623536.7U patent/CN216840763U/en active Active
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