CN219061000U

CN219061000U - Bolt hole plugging structure

Info

Publication number: CN219061000U
Application number: CN202222566729.8U
Authority: CN
Inventors: 郑莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-23
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a bolt hole plugging structure, and relates to the technical field of shear walls. The utility model comprises a shear wall body, wherein opposite-pull bolt holes are uniformly distributed on the surface of the shear wall body; the polyethylene pipe is matched with the opposite-pull bolt hole and is embedded in the middle of the inside of the opposite-pull bolt hole, sealing plugs are arranged at two ports of the polyethylene pipe, expansion mortar is filled in the polyethylene pipe, and leakage holes are uniformly distributed in the middle of the surface of the polyethylene pipe; and (5) a heat insulation board. Compared with the traditional concrete which is directly filled, the utility model can be tightly attached to the bolt hole after the expansion mortar is formed by utilizing the expansion deformation of the polyethylene pipe, thereby effectively avoiding the generation of gaps caused by expansion and contraction of the shear wall body, improving the safety performance of the shear wall body, improving the heat insulation performance of the shear wall body by arranging the heat insulation board, and further improving the waterproof performance of the shear wall body by arranging the waterproof coating.

Description

Bolt hole plugging structure

Technical Field

The utility model relates to the technical field of shear walls, in particular to a bolt hole plugging structure.

Background

Shear walls (shear wall) are also known as wind-resistant walls, shock-resistant walls or structural walls. Wall bodies in houses or structures mainly bear horizontal load and vertical load (gravity) caused by wind load or earthquake action, and prevent structural shearing (shearing) damage. Also called as anti-seismic wall, is generally made of reinforced concrete.

Before concrete is used for pouring a shear wall, an aluminum mould and a back edge are required to be used for building a frame of the shear wall, a counter-pulling bolt hole is left on a shear wall body after the aluminum mould is removed in the later period, if the bolt hole is not well plugged, water leakage of the wall body is caused, at present, the counter-pulling bolt hole is plugged by mainly adopting a mode of directly filling concrete, in the plugging process, the concrete and the wall body are solidified for different time, gaps are separated, the water permeability of the concrete is high, water seepage or drip leakage is easy to occur at the gaps, and therefore, a bolt hole plugging structure is provided for solving the problems of the above

Disclosure of Invention

The utility model aims at: the utility model provides a bolt hole plugging structure, which aims to solve the problems that in the prior art, concrete is directly filled, the stability of a shear wall is poor, and gaps are easily generated at opposite-pull bolt holes to cause water seepage or dripping of a wall body.

The utility model adopts the following technical scheme for realizing the purposes:

a bolt hole plugging structure comprises a shear wall body, wherein opposite-pull bolt holes are uniformly distributed on the surface of the shear wall body;

the polyethylene pipe is matched with the opposite-pull bolt hole and is embedded in the middle of the inside of the opposite-pull bolt hole, sealing plugs are arranged at two ports of the polyethylene pipe, expansion mortar is filled in the polyethylene pipe, and leakage holes are uniformly distributed in the middle of the surface of the polyethylene pipe;

the heat insulation board is adhered to one side, far away from the polyethylene pipe, of the sealing plug through strong adhesive, cement mortar is poured on one side, far away from the sealing plug, of the heat insulation board, and waterproof paint is coated on positions, corresponding to the cement mortar, of two sides of the shear wall body.

Further, the outer wall annular array of polyethylene pipe has the sand grip, sand grip and the crisscross setting of weeping hole, and its surface evenly distributed has the bar groove.

Further, the sealing plug is a rubber plug, the shape of the sealing plug is conical, and the diameter of one end of the sealing plug far away from the polyethylene pipe is large.

Further, the sealing plug is in threaded connection with the pipe orifice of the polyethylene pipe.

Further, the sealing plug is located one side of the polyethylene pipe inside and fixedly connected with a plug rod, and the plug rod is conical.

Further, the heat-insulating board is an extruded polystyrene board, and the waterproof coating is polyurethane coating.

The beneficial effects of the utility model are as follows:

1. compared with the traditional concrete which is directly filled, the utility model can be tightly attached to the bolt hole after the expansion mortar is formed by utilizing the expansion deformation of the polyethylene pipe, thereby effectively avoiding the generation of gaps caused by expansion and contraction of the shear wall body, improving the safety performance of the shear wall body, simultaneously improving the heat preservation performance of the shear wall body by arranging the heat preservation plate, further improving the waterproof performance of the shear wall body by arranging the waterproof coating, having higher practicability and being worthy of general application and popularization.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of a polyethylene pipe according to the present utility model;

FIG. 3 is an exploded view of the polyethylene tube of the present utility model.

Reference numerals: 1. a shear wall body; 101. opposite-pull bolt holes; 2. a polyethylene pipe; 201. a material leakage hole; 3. a sealing plug; 4. a thermal insulation board; 5. cement mortar; 6. waterproof paint; 7. a convex strip; 701. a bar-shaped groove; 8. and a plunger.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1-3, a bolt hole blocking structure, comprising:

the shear wall body 1 is provided with opposite-pull bolt holes 101 uniformly distributed on the surface;

the polyethylene pipe 2 is matched with the opposite-pull bolt hole 101 and is embedded in the middle of the inside of the opposite-pull bolt hole 101, sealing plugs 3 are arranged at two ports of the polyethylene pipe 2, expansion mortar is filled in the polyethylene pipe 2, and leakage holes 201 are uniformly distributed in the middle of the surface of the polyethylene pipe 2;

the insulation board 4 is adhered to one side, far away from the polyethylene pipe 2, of the sealing plug 3 through strong glue, cement mortar 5 is poured on one side, far away from the sealing plug 3, of the insulation board 4, and waterproof paint 6 is coated on the two sides of the shear wall body 1, corresponding to the positions of the cement mortar 5.

The expansion mortar is prepared by adding an expansion agent into a concrete mortar mixture in a flowing state, and has excellent heat preservation and insulation performance, fireproof and ageing resistance, no hollowing and cracking and high strength.

When the bolt hole plugging structure is used, firstly, foreign matters in the opposite-pull bolt holes 101 are washed clean through water, after the wall of the opposite-pull bolt holes 101 is dried, a polyethylene pipe 2 is inserted into the center of the opposite-pull bolt holes 101, the distances from two ends of the polyethylene pipe to the inner wall and the outer wall of the shear wall body 1 are required to be ensured to be the same, one pipe mouth of the polyethylene pipe 2 is plugged by wrapping a sealing plug 3 on one side, expansion mortar is injected into the polyethylene pipe 2 through a mortar gun, the polyethylene pipe 2 generates expansion deformation under the action of the expansion mortar due to stronger plasticity of the polyethylene pipe 2, and is further contacted with the inner wall of the opposite-pull bolt holes 101, meanwhile, a small amount of expansion mortar overflows from the leakage holes 201 to fill gaps between the polyethylene pipe 2 and the inner wall of the opposite-pull bolt holes 101, so that the connection between the polyethylene pipe 2 and the opposite-pull bolt holes 101 is firmer, then the other pipe orifice of the polyethylene pipe 2 is plugged by the sealing plug 3, the heat-insulating plate 4 is adhered to the end part of the sealing plug 3 by strong adhesive, so that the heat-insulating performance of the plugging structure is improved, a layer of cement mortar 5 is uniformly coated on the outer side of the heat-insulating plate 4, finally, after the cement mortar 5 is completely dried, waterproof paint 6 is coated on the positions, corresponding to the cement mortar 5, of the two sides of the shear wall body 1, so that the waterproof performance of the shear wall body 1 is further improved, compared with the traditional sealing mechanism, the traditional sealing mechanism is directly filled with concrete, the expansion deformation of the polyethylene pipe 2 is utilized, so that the expansion mortar can be tightly adhered to the opposite-pull bolt holes 101 after being molded, the generation of gaps caused by heat expansion and cold contraction of the shear wall body 1 is effectively avoided, meanwhile, the heat-insulating performance of the shear wall body 1 can be improved by the arrangement of the heat-insulating plate 4, the waterproof paint 6 can further improve the waterproof performance of the shear wall body 1, the practicability is higher.

As shown in fig. 2, in some embodiments, the outer wall of the polyethylene pipe 2 is annularly provided with the raised strips 7, the raised strips 7 and the leakage holes 201 are staggered, and the surface of the polyethylene pipe 2 is uniformly provided with the strip grooves 701, more specifically, the polyethylene pipe 2 with the strip grooves 701 is provided, so that the bonding force (binding force) between the polyethylene pipe 2 and the expansion mortar can be improved, and it is required to be noted that the outer diameter of the polyethylene pipe 2 is about 10 mm smaller than the aperture of the counter-pull bolt hole 101, so that the polyethylene pipe 2 can freely enter and exit the counter-pull bolt hole 101.

As shown in fig. 3, in some embodiments, the sealing plug 3 is a rubber plug, the shape of the sealing plug 3 is conical, and the diameter of one end of the sealing plug away from the polyethylene tube 2 is large, and more specifically, the sealing plug 3 is conical so as to better seal the polyethylene tube 2.

As shown in fig. 3, in some embodiments, the sealing plug 3 is in threaded connection with the pipe orifice of the polyethylene pipe 2, and more specifically, the sealing plug 3 is in threaded connection with the pipe orifice of the polyethylene pipe 2, so that the sealing plug 3 is more tightly connected with the polyethylene pipe 2, and it should be noted that, in order to avoid that when the mortar gun injects the expansion mortar into the polyethylene pipe 2, the expansion mortar blocks the pipe orifice, and a layer of plastic film can be wrapped on the inner wall of the pipe orifice of the polyethylene pipe 2.

As shown in fig. 3, in some embodiments, the sealing plug 3 is fixedly connected with the insert rod 8 at one side of the inside of the polyethylene pipe 2, the insert rod 8 is conical, more specifically, the conical insert rod 8 is provided, so that the sealing plug 3 can enter the inside of the polyethylene pipe 2 more easily, and expansion mortar in the polyethylene pipe 2 can be extruded to avoid the phenomenon that the expansion mortar is empty.

As shown in fig. 1, in some embodiments, the insulation board 4 is an extruded polystyrene board, the waterproof coating 6 is a polyurethane coating, more specifically, the extruded polystyrene board is a rigid foam plastic board formed by injecting a catalyst while heating and mixing a polystyrene resin and extruding a continuous closed-cell foam while injecting a polymer, and the inside of the rigid foam plastic board is an independent closed-cell structure, so that the environment-friendly insulation material with high compression resistance, low water absorption, moisture resistance, air impermeability, light weight, corrosion resistance, super aging resistance (almost no aging after long-term use), low heat conductivity and other excellent performances is provided.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a bolt hole shutoff structure which characterized in that includes:

the shear wall body (1) is provided with opposite-pull bolt holes (101) uniformly distributed on the surface;

the polyethylene pipe (2) is matched with the opposite-pull bolt hole (101) and is embedded in the middle of the inside of the opposite-pull bolt hole (101), sealing plugs (3) are arranged at two ports of the polyethylene pipe (2), expansion mortar is filled in the polyethylene pipe (2), and leakage holes (201) are uniformly distributed in the middle of the surface of the polyethylene pipe (2);

the heat preservation board (4) is adhered to one side, far away from the polyethylene pipe (2), of the sealing plug (3) through strong adhesive, cement mortar (5) is poured on one side, far away from the sealing plug (3), of the heat preservation board (4), and waterproof paint (6) is coated on the two sides of the shear wall body (1) corresponding to the positions of the cement mortar (5).

2. The bolt hole plugging structure according to claim 1, wherein the outer wall of the polyethylene pipe (2) is provided with convex strips (7) in annular array, the convex strips (7) and the material leakage holes (201) are arranged in a staggered manner, and strip-shaped grooves (701) are uniformly distributed on the surface of the convex strips.

3. A bolt hole plugging structure according to claim 1, wherein the sealing plug (3) is a rubber plug, the shape of the sealing plug (3) is conical, and the diameter of the end of the sealing plug far away from the polyethylene tube (2) is large.

4. The bolt hole plugging structure according to claim 1, wherein the sealing plug (3) is in threaded connection with the pipe orifice of the polyethylene pipe (2).

5. The bolt hole plugging structure according to claim 1, wherein a plug rod (8) is fixedly connected to one side of the sealing plug (3) located inside the polyethylene pipe (2), and the plug rod (8) is conical.

6. The bolt hole plugging structure according to claim 1, wherein the heat insulation board (4) is an extruded polystyrene board, and the waterproof coating (6) is a polyurethane coating.