A prefabricated residential exterior wall joint anti-leakage structure and construction method thereof

Abstract

The invention discloses an anti-leakage structure for the joints of the exterior walls of an assembled residential building, comprising an exterior wall panel one, an exterior wall panel two and a sealing strip. The exterior wall panel one is provided with an exterior wall panel two on one side, a fixed sealing groove is integrally formed on the outer side of the joint between the exterior wall panel one and the exterior wall panel two, a sealing strip is clamped inside the fixed sealing groove, rounded corners are integrally formed on the exterior wall panel one and the exterior wall panel two on the outer side of the fixed sealing groove, an installation groove is integrally formed on the exterior wall panel one and the exterior wall panel two on one side of the fixed sealing groove, a positioning protrusion is integrally formed on the exterior wall panel one on one side of the installation groove, and a positioning groove is provided on the exterior wall panel two on one side of the positioning protrusion. The sealing strip, the fixed sealing groove and the rounded corners on the outer side of the fixed sealing groove in the invention can facilitate the installation of the sealing strip and the replacement operation of the sealing strip. The sealing strip can be quickly replaced when it is aged due to long-term exposure to wind and sun, which is extremely practical and convenient.

Description

Technical Field

[0001] The invention relates to the field of assembled building devices, in particular to an assembled residential exterior wall joint anti-leakage structure. Background Art

[0002] Prefabricated buildings are buildings assembled on site from prefabricated components. Compared with traditional reinforced concrete cast-in-place buildings, they are undoubtedly a major technological advancement. The prefabricated components of prefabricated buildings are factory-produced and assembled on site, so they can be standardized in factories, with controllable quality, high efficiency and speed, material conservation and no waste, and no environmental pollution at the production and construction sites. When the exterior walls of prefabricated buildings are under construction, the joints are prone to leakage, but when the existing anti-leakage structures are in use, the sealing areas are mostly fixed seals. Once the sealing components are aged, it is extremely inconvenient to replace them.

[0003] To this end, the present invention proposes an anti-leakage structure for joints of an assembled residential exterior wall to solve the above-mentioned problem. Summary of the invention

[0004] The object of the present invention is to provide a prefabricated residential exterior wall joint anti-leakage structure to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an anti-leakage structure for the joints of the exterior wall of an assembled residential building comprises an exterior wall panel one, an exterior wall panel two and a sealing strip, an exterior wall panel two is arranged on one side of the exterior wall panel one, a fixed sealing groove is integrally formed on the outer side of the joint between the exterior wall panel one and the exterior wall panel two, the cross-section of the fixed sealing groove is composed of two isosceles trapezoidal bottom surfaces stacked, a sealing strip is clamped inside the fixed sealing groove, the exterior wall panel one and the exterior wall panel two are integrally formed with rounded corners on the outer side of the fixed sealing groove, and the exterior wall panel one and the exterior wall panel two are integrally formed with an installation groove on one side of the fixed sealing groove.

[0006] Preferably, a positioning protrusion is integrally formed on one side of the installation groove on the first exterior wall panel, and a positioning groove is opened on one side of the positioning protrusion on the second exterior wall panel. The cross-sections of the positioning groove and the positioning protrusion are both isosceles trapezoidal structures, and the depth of the positioning groove is greater than the thickness of the positioning protrusion; the positioning groove and the positioning protrusion can cooperate.

[0007] Preferably, a threaded groove is provided in the middle of the sealing strip, a threaded column is threadedly installed in the threaded groove, a first mounting ring and a second mounting ring are movably installed on the upper part of the threaded column, clamping rods are movably installed on both sides of the first mounting ring, a spring is fixed to the inner wall of the clamping rod, and the other end of the spring is movably installed on the second mounting ring. The spring can make the clamping rod press the edge of the sealing strip to avoid warping of the edge and the infiltration of rainwater, and the degree of downward pressure of the clamping rod can be adjusted by rotating the threaded column.

[0008] Preferably, an inner side wall of the mounting groove is provided with a plug-in groove, a fixing plate is plugged into the mounting groove, plug-in strips are integrally provided on both sides of the fixing plate, the plug-in strips are plugged into the plug-in groove, a steel needle is fixedly installed on the upper surface of the fixing plate, the steel needle is inserted into the bottom surface of the sealing strip, and the upper surface of the fixing plate and the bottom surface of the sealing strip are glued together.

[0009] Preferably, the exterior wall panel one is integrally cast with an embedded screw on one side of the positioning protrusion, the exterior wall panel one is provided with a fixing hole on the periphery of the embedded screw, the exterior wall panel two is provided with a locking support groove on one side of the fixing hole, the locking support groove is a square structure, one side of the locking support groove is connected to the inner side of the exterior wall panel two, and a sealing leather cover is clamped and sealed on the locking support groove.

[0010] Preferably, the embedded screw is threadably connected to a locking nut after passing through the fixing hole, and a spring washer is provided on the periphery of the embedded screw between the locking nut and the locking support groove.

[0011] Actual operation process:

[0012] S1: When installing the assembled house on the exterior wall, first insert the positioning protrusion on the exterior wall panel 1 into the positioning groove on the exterior wall panel 2 to achieve the splicing installation of the exterior wall panel 1 and the exterior wall panel 2;

[0013] S2: Install the spring washer on the embedded screw, then screw on the locking nut, and tighten the locking nut with a force wrench to firmly connect the exterior wall panel 1 and the exterior wall panel 2, and then cover the sealing leather cover on the locking support groove;

[0014] S3: Insert the sealing strip into the fixed sealing groove along the rounded corner outside the fixed sealing groove to seal the joint between the outer side surfaces of the exterior wall panel 1 and the exterior wall panel 2, thereby achieving a leak-proof installation of the exterior wall panel of the assembled residential building.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The sealing strip, the fixed sealing groove and the rounded corners on the outer side of the fixed sealing groove in the present invention can facilitate the installation of the sealing strip and the replacement of the sealing strip. The sealing strip can be quickly replaced when it is aged due to long-term exposure to wind and sun, which is extremely practical and convenient.

[0017] 2. The present invention provides a threaded groove in the middle of the sealing strip, a threaded column is threadedly installed in the threaded groove, a clamping rod and a spring are provided on the threaded column, and the clamping rod can press the edge of the sealing strip through the spring to avoid the edge warping and the infiltration of rainwater. The degree of downward pressure of the clamping rod can be adjusted by rotating the threaded column. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a front view of a prefabricated residential exterior wall joint anti-leakage structure according to the present invention;

[0019] Figure 2 It is a partial enlarged view of A of the present invention;

[0020] Figure 3 It is a partial enlarged view of B of the present invention;

[0021] Figure 4 It is a partial enlarged view of the C portion of the present invention;

[0022] Figure 5 It is a partial enlarged view of D of the present invention;

[0023] Figure 6 This is an enlarged view of the structure at location E.

[0024] In the figure: exterior wall panel 1, exterior wall panel 2, fixed sealing groove 3, sealing strip 4, fillet 5, mounting groove 6, plug-in groove 7, fixing plate 8, steel pin 81, plug-in strip 9, embedded screw 10, fixing hole 11, locking support groove 12, sealing leather cover 13, spring washer 14, locking nut 15, positioning groove 16, positioning protrusion 17, outer side surface 19, threaded column 21, clamping rod 22, first mounting ring 23, spring 24, second mounting ring 25, threaded groove 26. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention are described clearly and completely below. The embodiments of the present invention and all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0026] See also Figures 1 to 6 The present invention provides a technical solution: an anti-leakage structure for the joints of an assembled residential exterior wall comprises an exterior wall panel 1, an exterior wall panel 2 and a sealing strip 4, wherein the exterior wall panel 1 is provided with the exterior wall panel 2 on one side, a fixed sealing groove 3 is integrally formed on the outer side of the joint between the exterior wall panel 1 and the exterior wall panel 2, the cross section of the fixed sealing groove 3 is composed of two isosceles trapezoidal bottom surfaces stacked, a sealing strip 4 is clamped inside the fixed sealing groove 3, a fillet 5 is integrally formed on the exterior wall panel 1 and the exterior wall panel 2 on the outer side of the fixed sealing groove 3, and an installation groove 6 is integrally formed on the exterior wall panel 1 and the exterior wall panel 2 on one side of the fixed sealing groove 3.

[0027] A positioning protrusion 17 is integrally formed on one side of the installation groove 6 on the exterior wall panel 1, and a positioning groove 16 is opened on one side of the positioning protrusion 17 on the exterior wall panel 2. The cross-sections of the positioning groove 16 and the positioning protrusion 17 are both isosceles trapezoidal structures, and the depth of the positioning groove 16 is greater than the thickness of the positioning protrusion 17; the positioning groove 16 and the positioning protrusion 17 can cooperate to provide positioning for the connection and fixation of the exterior wall panel 1 and the exterior wall panel 2, and the setting of the sealing strip 4, the fixed sealing groove 3 and the rounded corner 5 on the outer side surface 19 of the fixed sealing groove 3 can facilitate the installation of the sealing strip 4, and at the same time facilitate the replacement operation of the sealing strip 4. The sealing strip 4 can be quickly replaced when it is aged due to long-term wind and sun exposure, which is extremely practical and convenient.

[0028] A thread groove 26 is provided in the middle of the sealing strip 4, and a thread column 21 is installed in the inner thread of the thread groove 26. A first mounting ring 23 and a second mounting ring 25 are movably installed on the upper part of the thread column 21. A clamping rod 22 is movably installed on both sides of the first mounting ring 23. A spring 24 is fixed to the inner side wall of the clamping rod 22, and the other end of the spring 24 is movably installed on the second mounting ring 25. The spring 24 can be used to press the edge of the sealing strip 4 by the clamping rod 22 to avoid warping of the edge and the infiltration of rainwater. The degree of downward pressure of the clamping rod 22 can be adjusted by rotating the thread column 21.

[0029] An inner side wall of the sealing groove 6 is provided with an inserting groove 7, in which a fixing plate 8 is inserted, and plugging strips 9 are integrally provided on both sides of the fixing plate 8, and the plugging strips 9 are inserted in the inserting groove 7, which can facilitate the installation of the fixing plate 8 and the fixing of the fixing plate 8. A steel needle 81 is fixedly installed on the upper surface of the fixing plate 8, and the steel needle 81 is inserted into the bottom surface of the sealing strip 4, and the upper surface of the fixing plate 8 and the bottom surface of the sealing strip 4 are glued, and the sealing strip 4 can be fixed by the steel needle 81, thereby increasing the sealing performance of the sealing strip 4.

[0030] An embedded screw 10 is integrally cast and connected on one side of the positioning protrusion 17 on the exterior wall panel 1, a fixing hole 11 is opened on the exterior wall panel 1 at the periphery of the embedded screw 10, and a locking support groove 12 is opened on the exterior wall panel 2 at one side of the fixing hole 11. The locking support groove 12 is a square structure, and one side of the locking support groove 12 is connected to the inner side of the exterior wall panel 2 2. A sealing leather cover 13 is clamped and sealed on the locking support groove 12, and the sealing leather cover 13 can be used to seal and protect the locking support groove 12.

[0031] After the embedded screw 10 passes through the fixing hole 11, it is connected with a locking nut 15 through a thread. A spring washer 14 is arranged on the periphery of the embedded screw 10 between the locking nut 15 and the locking support groove 12. The spring washer 14 plays a role in preventing the thread from being withdrawn. The locking nut 15 and the embedded screw 10 can be used to fix the exterior wall panel 1 and the exterior wall panel 2.

[0032] Actual operation process:

[0033] S1: When installing the outer wall of the assembled house, first insert the positioning protrusion 17 on the outer wall board 1 into the positioning groove 16 on the outer wall board 2 to achieve the splicing installation of the outer wall board 1 and the outer wall board 2;

[0034] S2: Install the spring washer 14 on the embedded screw 10, then screw on the locking nut 15, and tighten the locking nut 15 with a force wrench; so that the outer wall panel 1 and the outer wall panel 2 are firmly connected, and then cover the sealing leather cover 13 on the locking support groove 12;

[0035] S3: Insert the sealing strip 4 into the fixed sealing groove 3 along the rounded corner 5 outside the fixed sealing groove 3 to seal the joint between the outer side surfaces 19 of the exterior wall panel 1 and the exterior wall panel 2, thereby achieving a leak-proof installation of the exterior wall panel of the assembled residential building.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-leakage structure for joints of assembled residential exterior walls, comprising an exterior wall panel 1 (1), an exterior wall panel 2 (2) and a sealing strip (4), characterized in that: The exterior wall panel one (1) is provided with an exterior wall panel two (2) on one side, a fixed sealing groove (3) is integrally formed on the outer side of the joint between the exterior wall panel one (1) and the exterior wall panel two (2), the cross section of the fixed sealing groove (3) is composed of two isosceles trapezoidal bottom surfaces stacked, a sealing strip (4) is clamped inside the fixed sealing groove (3), a rounded corner (5) is integrally formed on the exterior wall panel one (1) and the exterior wall panel two (2) on the outer side of the fixed sealing groove (3), and an installation groove (6) is integrally formed on the exterior wall panel one (1) and the exterior wall panel two (2) on one side of the fixed sealing groove (3); A thread groove (26) is provided in the middle of the sealing strip (4), a thread column (21) is installed in the thread groove (26), a first mounting ring (23) and a second mounting ring (25) are movably installed on the upper part of the thread column (21), a clamping rod (22) is movably installed on both sides of the first mounting ring (23), a spring (24) is fixed on the inner side wall of the clamping rod (22), and the other end of the spring (24) is movably installed on the second mounting ring (25), and the clamping rod (22) can press the edge of the sealing strip (4) through the spring (24) to avoid the edge warping and the infiltration of rainwater, and the degree of downward pressure of the clamping rod (22) can be adjusted by rotating the thread column (21); an insertion groove (7) is provided on the inner side wall of the mounting groove (6), and a fixing plate (8) is inserted in the mounting groove (6) to fix Both sides of the plate (8) are integrally provided with plug-in strips (9), which are plugged into the plug-in grooves (7); a steel pin (81) is fixedly installed on the upper surface of the fixing plate (8), which is plugged into the bottom surface of the sealing strip (4); and the upper surface of the fixing plate (8) and the bottom surface of the sealing strip (4) are glued; an embedded screw (10) is integrally cast and connected on one side of the positioning protrusion (17) on the outer wall plate (1); a fixing hole (11) is provided on the outer wall plate (1) at the periphery of the embedded screw (10); a locking support groove (12) is provided on the outer wall plate (2) at one side of the fixing hole (11); the locking support groove (12) is a square structure; one side of the locking support groove (12) is connected to the inner side of the outer wall plate (2); and a sealing leather cover (13) is clamped and sealed on the locking support groove (12).

2. The anti-leakage structure for joints of an assembled residential exterior wall according to claim 1 is characterized in that: The first external wall panel (1) is integrally formed with a positioning protrusion (17) located on one side of the installation groove (6), and the second external wall panel (2) is provided with a positioning groove (16) located on one side of the positioning protrusion (17). The cross-sections of the positioning groove (16) and the positioning protrusion (17) are both isosceles trapezoidal structures, and the depth of the positioning groove (16) is greater than the thickness of the positioning protrusion (17); the positioning groove (16) and the positioning protrusion (17) can be matched.

3. The anti-leakage structure for joints of an assembled residential exterior wall according to claim 2 is characterized by: The embedded screw (10) is threadedly connected to a locking nut (15) after passing through the fixing hole (11); a spring washer (14) is arranged on the periphery of the embedded screw (10) between the locking nut (15) and the locking support groove (12).

4. A construction method for a prefabricated residential exterior wall joint anti-leakage structure as claimed in claim 3, characterized in that: The construction method comprises the following steps: S1: When installing the exterior wall of the assembled house, first insert the positioning protrusion (17) on the exterior wall panel (1) into the positioning groove (16) on the exterior wall panel (2) to achieve the splicing and installation of the exterior wall panel (1) and the exterior wall panel (2); S2: Install the spring washer (14) on the embedded screw (10), then screw on the locking nut (15), and tighten the locking nut (15) using a force wrench, so that the outer wall panel 1 (1) and the outer wall panel 2 (2) are firmly connected, and then cover the sealing leather cover (13) on the locking support groove (12); S3: inserting the sealing strip (4) into the interior of the fixed sealing groove (3) along the rounded corner (5) outside the fixed sealing groove (3), so as to seal the joint between the outer side surfaces (19) of the first exterior wall panel (1) and the second exterior wall panel (2), and realize the anti-leakage installation of the exterior wall panels of the assembled residential building.

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