CN-117661740-B - Joint structure of assembled building insulation board and fixing member and construction method

CN117661740BCN 117661740 BCN117661740 BCN 117661740BCN-117661740-B

Abstract

The invention discloses a joint structure of an assembled building insulation board and a fixed member and a construction method, and relates to the technical field of building exterior wall construction, wherein the joint structure is arranged in a cutting hole of the insulation board so as to seal and fill the cutting hole; the sealing device comprises a mounting structure, a slurry inner cavity, four inner sealing elements and four outer sealing elements, wherein the slurry inner cavity is horizontally arranged in the mounting structure, a penetrating mounting through hole is vertically formed in the middle of the mounting structure, the four inner sealing elements are arranged in the mounting through hole in a surrounding mode, the periphery of the four inner sealing elements are slidably inserted into the inner side of the slurry inner cavity, gaps between a fixing member and a cutting hole can be filled in a sealing mode, even if the positions of a heat insulation plate and the fixing member are offset, the four inner sealing elements can be in self-adaptive sealing connection with the fixing member at any position, and the size of the cutting hole can be self-adaptive through matching of the four outer sealing elements, so that the sealing can be filled in the cutting hole.

Inventors

WU JIXIANG
Zhou Liaoxin
HU YIFAN
CHENG HAIQING
BAI SHILEI
CHEN XIAOWEN
CUI BIN
FENG GUIYU
WANG TONGYU
YANG SHEN
LIU YONGAN

Assignees

中铁四局集团有限公司

Dates

Publication Date: 20260512
Application Date: 20240115

Claims (5)

1. The joint structure of the assembled building insulation board and the fixing member is characterized in that the joint structure is arranged in a cutting hole of the insulation board to seal and fill the cutting hole, and comprises a mounting structure, a slurry inner cavity, four inner sealing pieces and four outer sealing pieces, wherein: The slurry inner cavity is horizontally arranged in the mounting structure, a penetrating mounting through hole is vertically formed in the middle of the mounting structure, four inner sealing pieces are arranged in the mounting through hole in a surrounding mode, the periphery of the four inner sealing pieces are slidably inserted into the inner side of the slurry inner cavity, and the four inner sealing pieces are used for plugging the mounting through hole and are tightly matched with the fixing member; The four outer sealing elements are inserted outside the slurry cavity in a sliding manner, and the four outer sealing elements are sealed and enclosed; The installation structure is provided with a grouting hole communicated with the slurry inner cavity, slurry is injected into the slurry inner cavity through the grouting hole, and the slurry extrudes the four outer sealing elements outwards and enables the four outer sealing elements to be in self-adaption sealing contact with the side wall corresponding to the cutting hole; the installation structure comprises two partition boards and upright posts connected and fixed between the two partition boards, and a slurry cavity is formed by a gap between the two partition boards; The inner sealing elements comprise isolation blocks, arc-shaped sealing blocks are fixed on the inner sides of the isolation blocks, arc-shaped grooves are formed in the upper sides of the isolation blocks, locking structures are slidably arranged in the arc-shaped grooves, the four locking structures slide in the same direction, and when two ends of one locking structure are respectively positioned in the arc-shaped grooves of the adjacent isolation blocks, the blocking of the installation through holes by the four inner sealing elements is realized; The locking structure comprises an arc-shaped locking block which is arranged in the arc-shaped groove in a sliding manner, and a pushing block is fixed on the upper side of the arc-shaped locking block; The outer sealing piece comprises L-shaped sliding blocks, two adjacent L-shaped sliding blocks are in sealing connection through an expansion structure, outer sealing blocks are fixed on the outer sides of the L-shaped sliding blocks, and the outer sealing blocks in the two diagonally arranged L-shaped sliding blocks are located on the same plane; the outer sealing blocks are arranged in an L shape, and two outer sealing blocks positioned on the same plane are enclosed to form a frame structure; The expansion structure comprises strip-shaped inner cavities which are formed in two ends of the L-shaped sliding blocks, the isolation plates are rotatably installed in the strip-shaped inner cavities, springs giving rotating acting force to the isolation plates are installed in the strip-shaped inner cavities, and the isolation plates extend into the strip-shaped inner cavities of the adjacent L-shaped sliding blocks so as to ensure that the two isolation plates are always kept in contact.
2. The assembled building insulation board and fixed component joint construction of claim 1, wherein the arcuate sealing blocks are made of soft rubber or sponge.
3. The joint structure of an assembled building insulation board and a fixing member according to claim 1, wherein the vertical sections of the outer side wall of the outer sealing block and the inner side wall of the cutting hole are of mutually meshed concave-convex structures.
4. The assembled building insulation board and fixed component joint construction of claim 1, wherein the thickness of the spacer block and the L-shaped slider are adapted to the height of the grout cavity.
5. A construction method for the joint construction of the assembled building insulation board and the fixing member according to any one of claims 1 to 4, comprising the steps of: Firstly, preliminary installation, namely putting a joint structure into a cutting hole of the insulation board, and penetrating a fixing member into an installation through hole; The second step, the four inner sealing pieces are pressed towards the fixing component, so that the four inner sealing pieces seal and enclose the fixing component, and meanwhile, the four locking structures are pushed to slide in the arc-shaped grooves in the same direction, so that one end of each locking structure extends into the arc-shaped groove of the adjacent locking structure; And thirdly, filling slurry, namely injecting the slurry into the slurry inner cavity through the slurry injection hole, wherein the pressure of the slurry can push the four outer sealing pieces outwards until the outer sealing blocks of each outer sealing piece are respectively in close contact with the four side walls of the cutting hole.

Description

Joint structure of assembled building insulation board and fixing member and construction method Technical Field The invention relates to the technical field of building exterior wall construction, in particular to a joint structure of an assembled building insulation board and a fixed member and a construction method. Background In the prior art, the cutting of the insulation board at the reserved hole position of the wall body is very random, the cutting hole area on the insulation board is far larger than the size of the fixed component, the insulation board is deviated from the installation position of the component, and the cut hole has no effective remedial measures, so that a large number of cold bridge parts can be formed, and the air tightness, the heat insulation effect and the waterproof performance of the external wall board can be influenced. Disclosure of Invention The invention aims to provide a joint structure of an assembled building insulation board and a fixed member and a construction method, which solve the problem that a large number of cold bridge parts can be formed because no effective remedy measures exist at a cut hole on the insulation board. The invention solves the technical problems by adopting the following technical scheme that the joint structure is arranged in a cutting hole of an insulation board to seal and fill the cutting hole, and comprises a mounting structure, a slurry inner cavity, four inner sealing pieces and four outer sealing pieces, wherein: The slurry inner cavity is horizontally arranged in the mounting structure, a penetrating mounting through hole is vertically formed in the middle of the mounting structure, four inner sealing pieces are arranged in the mounting through hole in a surrounding mode, the periphery of the four inner sealing pieces are slidably inserted into the inner side of the slurry inner cavity, and the four inner sealing pieces are used for plugging the mounting through hole and are tightly matched with the fixing member; The four outer sealing elements are inserted outside the slurry cavity in a sliding manner, and the four outer sealing elements are sealed and enclosed; the installation structure is provided with a grouting hole communicated with the inner cavity of the slurry, the slurry is injected into the inner cavity of the slurry through the grouting hole, and the slurry extrudes the four outer sealing elements to the outer side and enables the four outer sealing elements to be in self-adapting sealing contact with the side wall corresponding to the cutting hole. Preferably, the installation structure is composed of two partition boards and an upright post connected and fixed between the two partition boards, and a slurry cavity is formed by a gap between the two partition boards. Preferably, the inner sealing element comprises a separation block, an arc sealing block is fixed on the inner side of the separation block, an arc groove is formed in the upper side of the separation block, locking structures are slidably arranged in the arc groove, the four locking structures slide in the same direction, and two ends of one locking structure are respectively positioned in the arc grooves of the adjacent separation blocks so as to realize the blocking of the four inner sealing elements to the installation through holes. Preferably, the locking structure comprises an arc-shaped locking block arranged in the arc-shaped groove in a sliding mode, and a pushing block is fixed on the upper side of the arc-shaped locking block. Preferably, the arc-shaped sealing block is made of soft rubber or sponge. Preferably, the outer sealing element comprises an L-shaped sliding block, two adjacent L-shaped sliding blocks are in sealing connection through an expansion structure, an outer sealing block is fixed on the outer side of the L-shaped sliding block, and the outer sealing blocks in the two diagonally arranged L-shaped sliding blocks are located on the same plane; the outer sealing blocks are arranged in an L shape, and two outer sealing blocks located on the same plane are enclosed to form a frame structure. Preferably, the vertical sections of the outer side wall of the outer sealing block and the inner side wall of the cutting hole are of mutually meshed concave-convex structures. Preferably, the extension structure comprises a strip-shaped inner cavity arranged at two ends of the L-shaped sliding block, the isolation plate is rotatably arranged in the strip-shaped inner cavity, a spring giving a rotation acting force to the isolation plate is arranged in the strip-shaped inner cavity, and the isolation plate extends into the strip-shaped inner cavity of the adjacent L-shaped sliding block so as to ensure that the two isolation plates are always kept in contact. Preferably, the thickness of the isolation block and the L-shaped sliding block are matched with the height of the slurry inner cavity. The invention also provides a construction method