CN215889437U

CN215889437U - Concrete outer wall through-wall bolt hole plugging and anti-seepage construction structure

Info

Publication number: CN215889437U
Application number: CN202121044253.0U
Authority: CN
Inventors: 尹洪江; 王楠; 刘剑文; 罗广智; 刘红沙
Original assignee: Tianjin Housing Group Construction Engineering General Contraction Co ltd
Current assignee: Tianjin Housing Group Construction Engineering General Contraction Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-02-22
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a concrete outer wall through-wall bolt hole plugging and anti-seepage construction structure, which comprises a plurality of plastic plugging plates, a plurality of reusable iron pull rings and a plurality of cylindrical cement plugging columns, wherein the plastic plugging plates are arranged on the outer wall through-wall bolt holes; the plastic plugging plate comprises a plastic wafer and a plastic cylinder, the bottom of the plastic cylinder is connected with the middle of the inner wall of the plastic wafer into a whole, a blind hole is formed in the middle of the outer wall of the plastic wafer and faces the inside of the plastic cylinder, the cylindrical connecting section of the iron pull ring is inserted into the blind hole, one side of the plastic wafer with the plastic cylinder is stained with polyurethane waterproof paint, and a plurality of plastic cylinders are respectively inserted into the water facing side of the wall penetrating bolt hole of each concrete outer wall; foaming agent is filled in the back side of each wall-through bolt hole of each concrete outer wall, and the cylindrical cement plugging columns are respectively arranged in the back side of each wall-through bolt hole. Adopt this structure shutoff tight, the antiseep is effectual.

Description

Concrete outer wall through-wall bolt hole plugging and anti-seepage construction structure

Technical Field

The utility model relates to a hole plugging and anti-leakage construction structure, in particular to an outer wall hole plugging and anti-leakage construction structure.

Background

Chinese patent application No. CN202010739164.1 discloses a "prefabricated concrete building exterior wall hole plugging method", which includes the following steps, firstly, construction is performed outdoors, including: cleaning holes and determining the depth of the plugging construction holes; preparing a polyethylene plate and arranging the polyethylene plate as a liner in the hole; pasting the pattern paper on the periphery of the hole; coating a bottom coating liquid in the holes; filling sealant into the hole; tearing off the adhered figure paper; the construction is carried out by transferring from outdoor to indoor, comprising the following steps: injecting a foaming agent into the hole; and filling waterproof mortar into the hole opening facing the indoor space. The problems of the method are that: 1. the construction steps are complicated, 2, the construction process is complex, the operation is inconvenient, 3, the filling depth of the waterproof mortar cannot be checked, and 4, the quality forming is greatly influenced by human control factors.

Chinese patent with application number CN202020614772.5 discloses "outer wall split bolt hole block structure", including outer wall and plastic hose, the bolt hole has been seted up on the outer wall, the bolt hole interpolation is equipped with the plastic hose, the middle part integrated into one piece of plastic hose has the check to keep off, the equal fixedly connected with cork in both sides that the plastic hose is located the check and keeps off, it has polyurethane foam to fill between plastic hose and the cork, the cover is equipped with water inflation rubber sleeve on the outer wall of plastic hose. The problems of the method are that: 1. the selection of plastic hose material does not have the standard, 2, both sides are filled polyurethane foam complex operation, and 3, meet water inflation rubber sleeve and fill inconvenient to outer wall split bolt hole, 4, do not form inside and outside overall design to the shutoff of outer wall split bolt hole.

Chinese patent with application number CN202010124946.4 discloses a wall-through bolt hole plugging construction method for a concrete outer wall, which comprises the following steps of A, cleaning the wall-through bolt hole; B. plugging an inner port of a through-wall bolt hole; C. injecting foamed sealant into the middle of the through-wall bolt hole for filling; D. plugging an outer port of the through-wall bolt hole; E. coating polyurethane waterproof paint on the outer side surface of the expanded cement mortar at the outer port of the through-wall bolt hole; F. an indoor plastering layer is coated on the indoor back water surface of the concrete outer wall, an inorganic heat-insulating mortar layer is coated on the outdoor upstream surface of the concrete outer wall, and the outer surface of the polyurethane waterproof coating is coated in the inorganic heat-insulating mortar layer. The problems of the method are that: 1. construction steps are complicated, 2, construction needs to be carried out on the outdoor upstream surface of the concrete outer wall for multiple times, construction intermittence periods exist, 3, the thickness of the polyurethane waterproof coating coated on the outer side surface of the expanded cement mortar at the outer port of the wall-penetrating bolt hole cannot be guaranteed, the bonding force between the coated polyurethane waterproof coating and the inorganic heat-insulating mortar cannot be guaranteed, and 4, manual control factors have large influence on quality forming.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a concrete outer wall-through bolt hole plugging and anti-leakage construction structure which is simple and convenient to construct, tight in plugging and good in anti-leakage effect.

The utility model relates to a concrete outer wall through-wall bolt hole plugging and anti-leakage construction structure which comprises a plurality of plastic plugging plates, a plurality of reusable iron pull rings and a plurality of cylindrical cement plugging columns, wherein each surface of each plastic plugging plate is a rough surface, each plastic plugging plate comprises a plastic disc and a plastic cylinder, the bottom of each plastic cylinder is connected with the middle of the inner wall of the corresponding plastic disc into a whole, a blind hole is formed towards the inside of each plastic cylinder along the middle of the outer wall of each plastic disc, and the plastic discs, the plastic cylinders and the blind holes are coaxially arranged; the hole wall of the blind hole is a rough surface;

the diameter of the plastic cylinder is set as follows: the plastic cylinders are in clearance fit with the water facing side of the wall penetrating bolt holes in the concrete outer walls to be connected, the cylindrical connecting sections of the iron pull rings are inserted into the blind holes and are in interference fit with the blind holes, polyurethane waterproof paint is adhered to the inner walls of the plastic wafers on the plastic wafer sides with the plastic cylinders and the plastic cylinders, the plastic cylinders are respectively inserted into the water facing side of the wall penetrating bolt holes in each concrete outer wall, and the plastic wafers are pressed on the outer walls of the concrete outer walls of the buildings; and a foaming agent is filled in one side of the back surface of the wall-penetrating bolt hole of each concrete outer wall, a plurality of cylindrical cement plugging columns are respectively arranged in one side of the back surface of each wall-penetrating bolt hole, and the outer walls of the cylindrical cement plugging columns are flush with the back surface wall surface of the concrete outer wall.

The utility model has the following beneficial effects:

the anti-leakage inner wall sealing structure has the advantages of low cost, simplicity and convenience in construction, high operation speed, improvement of construction efficiency, tight sealing, good anti-leakage effect, prevention of hollowing caused by plastering of the inner wall, reduction of inevitable material waste in the traditional cement mortar sealing process, and great superiority compared with the traditional outer wall sealing structure.

Drawings

FIG. 1 is a schematic front view of a plugging plate used in a construction structure for plugging a through-wall bolt hole of a concrete outer wall and preventing leakage according to the present invention;

FIG. 2 is a schematic view of the bottom structure of the plugging plate shown in FIG. 1;

FIG. 3 is a perspective view of the blanking panel shown in FIG. 1;

FIG. 4 is a schematic structural view of an iron tab used in the construction of the present invention;

FIG. 5 is a schematic structural view of a cement column used in the construction of the present invention;

FIG. 6 is a schematic view of the connection structure of the plugging plate and the iron pull ring according to the present invention;

fig. 7 is a schematic structural diagram after the structure of the utility model is adopted for plugging.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in the attached drawings, the construction structure for plugging and preventing leakage of the through-wall bolt hole of the concrete outer wall comprises a plurality of plastic plugging plates 6, a plurality of reusable iron pull rings 4 and a plurality of cylindrical cement plugging columns 5, wherein each surface of each plastic plugging plate is a rough surface, each plastic plugging plate comprises a plastic disc 1 and a plastic cylinder 2, the bottom of each plastic cylinder is connected with the middle of the inner wall of the plastic disc 1 into a whole, a blind hole 3 is formed towards the inside of each plastic cylinder 2 along the middle of the outer wall of the plastic disc 1, and the plastic disc 1, the plastic cylinder 2 and the blind hole are coaxially arranged; the hole wall of the blind hole 3 is a rough surface.

The diameter of the plastic cylinder 2 is set as follows: the plastic cylinder 2 is in clearance fit with the upstream side of the wall-through bolt hole on the concrete outer wall 9 to be connected, as an implementation mode of the utility model, the diameter of the plastic wafer 1 is 90-100 mm, the thickness is 1-1.5 mm, the height of the plastic cylinder 2 is 30-35 mm, and the diameter of the plastic cylinder 2 is smaller than 2mm of the wall-through bolt hole (the inner diameter of the wall-through bolt hole is generally 13-19 mm). The diameter of blind hole be 3mm and the degree of depth be 20 mm. Thus, the plastic wafer 1 can be flexibly combined; the concrete outer wall 9 is not easy to fall off after being inserted into the upstream surface of the wall-through bolt hole of the concrete outer wall; the iron pull ring 4 can be repeatedly used by matching with the blind hole, so that the cost is saved.

The reusable iron pull ring 4 comprises a circular iron wire, and a cylindrical connecting section which extends outwards is arranged at the closed position of the circular iron wire and along the radial direction of the circular iron wire; as an embodiment of the present invention, the diameter of the circular iron wire is 20mm, and the length of the cylindrical connecting section is 25 mm; the ring is used for being sleeved into a finger, and the cylindrical connecting section is used for being inserted into the blind hole.

The cylindrical cement plugging column 5 is 1.5mm-2mm smaller than the diameter of the through-wall bolt hole and 45mm-50mm long, and the cylindrical cement plugging column 5 is used for plugging the back surface of the through-wall bolt hole; thus, the plastic wafer 1 can be flexibly combined; the concrete outer wall 9 is not easy to fall off after being inserted into the upstream surface of the wall-through bolt hole of the concrete outer wall; the iron pull ring 4 can be repeatedly used by matching with the blind hole, so that the cost is saved.

The cylindrical connecting section of the iron pull ring 4 is inserted into the blind hole 3, the two are in interference fit, the inner wall of the plastic wafer 1 at one side of the plastic wafer with the plastic cylinder 2 and the plastic cylinder 2 are stained with polyurethane waterproof paint 7, the plastic cylinders 2 are respectively inserted into the water-facing side of the wall-through bolt hole of each concrete outer wall 9, and the plastic wafer 1 is pressed on the outer wall of the concrete outer wall 9 of the building; foaming agent 8 is filled into one side of the back surface of each wall-through bolt hole of each concrete outer wall 9, a plurality of cylindrical cement plugging columns 5 are respectively arranged in one side of the back surface of each wall-through bolt hole, and the outer walls of the cylindrical cement plugging columns 5 are flush with the back surface wall surface of the concrete outer wall 9.

The construction process of the structure is as follows:

firstly, sleeving a finger into a ring, inserting a cylindrical connecting section of an iron pull ring 4 into a blind hole 3, enabling the cylindrical connecting section and the blind hole to be in interference fit, dipping one side of a plastic wafer with a plastic cylinder 2 with polyurethane waterproof paint 7, enabling the inner wall of the plastic wafer 1 and the plastic cylinder 2 to be full of the polyurethane waterproof paint 7, inserting the plastic cylinders 2 into the water facing side of a wall-penetrating bolt hole of a concrete outer wall 9 one by one, enabling the plastic wafer 1 to be pressed on the outer wall of the concrete outer wall 9 of a building, pressing the outer wall of the plastic wafer 1, and pulling out the iron pull ring 4;

and step two, after the polyurethane waterproof coating 7 is naturally solidified, filling a foaming agent 8 into one side of the back surface of the wall-through bolt hole of the concrete outer wall 9, before the foaming agent 8 is solidified, placing the cylindrical cement plugging column 5 into one side of the back surface of the wall-through bolt hole, enabling the outer wall of the cylindrical cement plugging column 5 to be flush with the back surface wall surface of the concrete outer wall 9, and cleaning the extruded foaming agent 8 to finish the whole operation.

Claims

1. The utility model provides a concrete outer wall bolt hole shutoff and antiseep construction structures, its characterized in that: the plastic sealing plate comprises a plurality of plastic sealing plates, a plurality of reusable iron pull rings and a plurality of cylindrical cement sealing columns, wherein each surface of each plastic sealing plate is a rough surface, each plastic sealing plate comprises a plastic disc and a plastic cylinder, the bottom of each plastic cylinder is connected with the middle of the inner wall of the corresponding plastic disc into a whole, a blind hole is formed in the middle of the outer wall of each plastic disc and faces the inside of each plastic cylinder, and the plastic discs, the plastic cylinders and the blind holes are coaxially arranged; the hole wall of the blind hole is a rough surface;

2. The concrete exterior wall through-wall bolt hole plugging and leakage-proof construction structure according to claim 1, characterized in that: the diameter of the plastic wafer is 90-100 mm, the thickness of the plastic wafer is 1-1.5 mm, the height of the plastic cylinder is 30-35 mm, the diameter of the plastic cylinder is 2mm smaller than the wall-through bolt hole, and the diameter of the blind hole is 3mm and the depth of the blind hole is 20 mm.

3. The concrete exterior wall through-wall bolt hole plugging and leakage-proof construction structure according to claim 2, characterized in that: the diameter of the cylindrical cement plugging column is 1.5mm-2mm smaller than that of the through-wall bolt hole, and the length of the cylindrical cement plugging column is 45mm-50 mm.