Outer window frame waterproof structure and construction method thereof

Abstract

The application discloses a kind of outer window frame waterproof structures and its construction method, including the wall body being equipped with window, outer window frame being installed in window, cement mortar outer wall painting layer being located at the outside of outer window frame and cement mortar windowsill painting layer being located at the inside of outer window frame, the side surface of the outer window frame and wall body junction is sequentially provided with first protrusion, first water stop buckle, second water stop buckle and second protrusion from outside to inside, which are all along the length direction of outer window frame extends, the gap between the outer window frame and wall body is filled with foaming filling layer, the outside of the junction of first water stop buckle, foaming filling layer and wall body is covered and sealed by waterproof membrane, the inside of the junction of second water stop buckle, foaming filling layer and wall body is covered and sealed by waterproof air-permeable membrane.The first structure groove and second structure groove of the present scheme prevent structure glue from easily falling off;Waterproof membrane, waterproof air-permeable membrane, first water stop buckle and second water stop buckle and other structures greatly improve the waterproof performance of outer window frame.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building outer window construction, in particular to an outer window frame waterproof structure and a construction method thereof. BACKGROUND

[0002] In the process of installing and constructing the building outer window frame, in order to prevent the annual rainwater erosion and the window frame water seepage, according to the requirements of the door and window deepening design node and the construction specification, the waterproof filling treatment should be well done at the joint of the window frame and the building outer wall. Generally, after the building outer window frame is fixed, the polyurethane foaming filling should be used around the window frame, and the surface should be sealed with the structural adhesive, so as to achieve the effect of preventing the rainwater from seeping into the indoor. Due to the annual rainwater erosion and the sunlight exposure, the structural adhesive at the gap is easy to fall off, which causes the waterproof performance of the joint of the outer window frame and the wall to be sharply reduced, and the leakage problem is easy to occur.

[0003] For example, the Chinese patent with the publication number CN107355024A and the publication date of November 17, 2017, named “a detachable heat insulation system wall”, which comprises: a fixed foot, a fixed frame, a heat insulation detachable plate and a heat insulation plate connected in turn from inside to outside; the fixed foot is located at the bottom of the fixed frame and is connected with the wall through the bolt; the lower part of the fixed frame is provided with a foam layer, and the top is provided with a first convex rib; the heat insulation detachable plate comprises: a heat insulation detachable module and a fixing device; the fixing device is located around the heat insulation detachable module, and connects the adjacent heat insulation detachable modules; the bottom of the heat insulation detachable module is provided with a first groove, and the top is provided with a second convex rib; the bottom of the heat insulation plate is provided with a second groove.

[0004] The existing patent has the following disadvantages: after the existing outer window frame is installed, due to the annual rainwater erosion and the sunlight exposure, the structural adhesive at the gap is easy to fall off, which causes the waterproof performance of the joint of the outer window frame and the wall to be sharply reduced, and the leakage problem is easy to occur. SUMMARY

[0005] The present application aims at overcoming the problem that after the existing outer window frame is installed, due to the annual rainwater erosion and the sunlight exposure, the structural adhesive at the gap is easy to fall off, which causes the waterproof performance of the joint of the outer window frame and the wall to be sharply reduced, and providing an outer window frame waterproof structure and a construction method thereof, which greatly improve the waterproof performance of the outer window frame and prevent the leakage.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0007] The application discloses an outer window frame waterproof structure, which comprises a wall body provided with a window, an outer window frame installed in the window, a cement mortar outer wall painting layer located outside the outer window frame and a cement mortar window sill painting layer located inside the outer window frame, and a foaming filling layer filled in the gap between the outer window frame and the wall body, wherein a first protrusion, a first water stop buckle, a second water stop buckle and a second protrusion are sequentially arranged on the side surface of the outer window frame in contact with the wall body and extend along the length direction of the outer window frame, the outer side of the intersection of the first water stop buckle, the foaming filling layer and the wall body is covered and sealed by a waterproof film, the inner side of the intersection of the second water stop buckle, the foaming filling layer and the wall body is covered and sealed by a waterproof and air permeable film, the outer side of the waterproof film is sealed by the cement mortar outer wall painting layer, and the inner side of the waterproof and air permeable film is sealed by the cement mortar window sill painting layer. The application improves the outer window frame waterproof structure, and the polyurethane foaming filling layer is filled between the outer window frame, the wall body and the window sill during construction, the waterproof film and the waterproof and air permeable film are pasted, the outer side of the waterproof film is sealed by the cement mortar outer wall painting layer, the inner side of the waterproof and air permeable film is sealed by the cement mortar window sill painting layer, a relatively sealed section can be formed, and the function of preventing leakage is achieved. The outer side of the intersection of the first water stop buckle, the foaming filling layer and the wall body is pasted and sealed by the waterproof film, the waterproof film has the waterproof effect; the inner side of the intersection of the second water stop buckle, the foaming filling layer and the wall body is pasted and sealed by the waterproof and air permeable film, the waterproof and air permeable film provides the function of discharging humidity for the wall body, is favorable for discharging the humidity in the cavity in time, and avoids the disadvantage of mold growth on the inner wall decoration surface due to the humidity of the wall body.

[0008] Preferably, the gap between the cement mortar outer wall painting layer and the first protrusion is sealed by structural glue, and the gap between the cement mortar window sill painting layer and the second protrusion is sealed by structural glue. The structural glue is weather-resistant structural glue, and has good sealing effect.

[0009] Preferably, the side surface of the first protrusion facing the wall body is provided with a first structure groove, the first structure groove is located at the gap between the first protrusion and the cement mortar outer wall painting layer, and the structural glue is filled into the first structure groove; and the side surface of the second protrusion facing the wall body is provided with a second structure groove, the second structure groove is located at the gap between the second protrusion and the cement mortar window sill painting layer, and the structural glue is filled into the second structure groove. The structure of the first structure groove and the second structure groove provides a cavity which is not easy to separate for the structural glue, is favorable for long-term combination of the structural glue after shaping and curing, and prevents the structural glue from falling off to cause rainwater leakage of the outer window frame.

[0010] Preferably, a first bonding groove is formed between the first protrusion and the first water stop buckle, and the waterproof film extends into the first bonding groove; and a second bonding groove is formed between the second protrusion and the second water stop buckle, and the waterproof and air permeable film extends into the second bonding groove.

[0011] Preferably, the foamed filling layer is located between the first water stop buckle and the second water stop buckle, and the first water stop buckle and the second water stop buckle are both located in the foamed filling layer.

[0012] Preferably, the cement mortar outer wall coating layer is filled into the first bonding groove, and the cement mortar window sill coating layer is filled into the second bonding groove.

[0013] Preferably, a window frame fixing buckle is clamped on the side surface of the outer window frame where the outer window frame meets the wall body, the window frame fixing buckle is fixed on the wall body through a fixing pin, and the outer window frame is fixed on the wall body through the window frame fixing buckle.

[0014] Preferably, the outer window frame comprises a first window frame, a second window frame, and a heat insulation strip for connecting the first window frame and the second window frame.

[0015] Preferably, the first protrusion is located at the outer end of the side surface of the first window frame where the first window frame meets the wall body, and the second protrusion is located at the outer end of the side surface of the second window frame where the second window frame meets the wall body.

[0016] A construction method of the outer window frame waterproof structure as claimed in any one of the preceding claims, comprising the following steps:

[0017] S1, fixing the window frame in the window opening formed in the wall body;

[0018] S2, foaming filling is used in the gap between the window frame and the wall body, and the foamed filling layer is located between the first water stop buckle and the second water stop buckle;

[0019] S3, a waterproof film is pasted on the outer side of the intersection of the first water stop buckle, the foamed filling layer and the wall body, and the waterproof film covers the gap between the first water stop buckle and the foamed filling layer and the gap between the foamed filling layer and the wall body;

[0020] S4, a waterproof and breathable film is pasted on the inner side of the intersection of the second water stop buckle, the foamed filling layer and the wall body, and the waterproof and breathable film covers the gap between the second water stop buckle and the foamed filling layer and the gap between the foamed filling layer and the wall body;

[0021] S5, after the waterproof film is pasted on the outer side of the outer window frame, the cement mortar outer wall coating layer is sealed and closed, and after the waterproof and breathable film is pasted on the inner side of the outer window frame, the cement mortar window sill coating layer is sealed and closed;

[0022] S6, structural glue is coated at the gap between the cement mortar outer wall coating layer and the first protrusion of the outer window frame, and the structural glue is filled into the first structural groove; structural glue is coated at the gap between the cement mortar window sill coating layer and the second protrusion of the outer window frame, and the structural glue is filled into the second structural groove.

[0023] Therefore, the present application has the following beneficial effects: the first and second structure grooves prevent the structural glue from easily falling off; the waterproof film, the waterproof and breathable film, the first and second water stop buckles and other structures greatly improve the waterproof performance of the outer window frame. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural schematic diagram of the present application.

[0025] Figure 2 is a partial sectional view of the present application.

[0026] Figure 3 is Figure 2 is an enlarged view of A in the middle.

[0027] Figure 4 is Figure 2 is an enlarged view of B in the middle.

[0028] Figure 5 is Figure 2 is an enlarged view of C in the middle.

[0029] As shown in the figure:

[0030] wall body 1, cement mortar outer wall painting layer 2, cement mortar window sill painting layer 3, first protrusion 4, first water stop buckle 5, second water stop buckle 6, second protrusion 7, foamed filling layer 8, waterproof film 9, waterproof and breathable film 10, structural glue 11, first structure groove 12, second structure groove 13, window frame fixing buckle 14, first window frame 15, second window frame 16, heat insulation strip 17, outer wall decorative coating layer 18, inner wall decorative coating layer 19. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the present application will be further described below in combination with the drawings and specific embodiments.

[0032] Example one, as Figures 1 to 5The illustrated waterproof structure of an outer window frame comprises a wall body 1 provided with a window, an outer window frame installed in the window, a cement mortar outer wall painting layer 2 located outside the outer window frame, and a cement mortar window sill painting layer 3 located inside the outer window frame, and a first protrusion 4, a first water stop buckle 5, a second water stop buckle 6 and a second protrusion 7 are sequentially arranged from outside to inside on a side surface of the outer window frame which is connected with the wall body 1, and the first protrusion 4, the first water stop buckle 5, the second water stop buckle 6 and the second protrusion 7 all extend along the length direction of the outer window frame, a foaming filling layer 8 is filled in the gap between the outer window frame and the wall body 1, the outside of the joint of the first water stop buckle 5, the foaming filling layer 8 and the wall body 1 is covered and sealed by a waterproof membrane 9, the inside of the joint of the second water stop buckle 6, the foaming filling layer 8 and the wall body 1 is covered and sealed by a waterproof and air permeable membrane 10, the outside of the waterproof membrane 9 is sealed by the cement mortar outer wall painting layer 2, and the inside of the waterproof and air permeable membrane 10 is sealed by the cement mortar window sill painting layer 3. The waterproof structure of the outer window frame improves the construction process, the polyurethane foaming filling layer 8 is filled between the outer window frame, the wall body 1 and the window sill, the waterproof membrane 9 and the waterproof and air permeable membrane 10 are pasted, the outside of the waterproof membrane 9 is sealed by the cement mortar outer wall painting layer 2, the inside of the waterproof and air permeable membrane 10 is sealed by the cement mortar window sill painting layer 3, a relatively sealed cross section can be formed, thereby achieving the function of preventing leakage. The outside of the joint of the first water stop buckle 5, the foaming filling layer 8 and the wall body 1 is pasted and sealed by the waterproof membrane 9, the waterproof membrane 9 achieves the waterproof effect; the inside of the joint of the second water stop buckle 6, the foaming filling layer 8 and the wall body 1 is pasted and sealed by the waterproof and air permeable membrane 10, the waterproof and air permeable membrane 10 provides the function of moisture exhaust for the wall body 1, which is beneficial to timely exhaust the moisture in the cavity and avoid the mold change of the inner wall decoration surface caused by the moisture of the wall body 1.

[0033] The waterproof structure of the outer window frame in the above embodiment solves the problem that the structure glue 11 is easy to fall off at the joint of the outer window frame and the wall body 1 due to the reasons such as long-term rain erosion and sunlight exposure after the outer window frame is installed, and the waterproof performance of the joint is sharply reduced, and leakage is easy to occur. The first structure groove 12 and the second structure groove 13 prevent the structure glue 11 from easily falling off; the waterproof membrane 9, the waterproof and air permeable membrane 10, the first water stop buckle 5 and the second water stop buckle 6 greatly improve the waterproof performance of the outer window frame.

[0034] Further, the gap between the cement mortar outer wall painting layer 2 and the first protrusion 4 is sealed by the structure glue 11, and the gap between the cement mortar window sill painting layer 3 and the second protrusion 7 is sealed by the structure glue 11. The structure glue 11 is weather-resistant structure glue 11, which achieves good sealing effect.

[0035] Further, the first protrusion 4 is provided with a first structure slot on the side of the wall body 1, the first structure slot is located at the gap between the first protrusion 4 and the cement mortar outer wall painting layer 2, and the structural glue 11 is filled into the first structure slot 12; the second protrusion 7 is provided with a second structure slot on the side of the wall body 1, the second structure slot is located at the gap between the second protrusion 7 and the cement mortar window sill painting layer 3, and the structural glue 11 is filled into the second structure slot 13. The structure of the first structure slot and the second structure slot provides a cavity for the structural glue 11 which is not easy to separate, which is beneficial to the long-term combination of the structural glue 11 after curing, and prevents the structural glue 11 from falling off to cause rainwater leakage of the outer window frame.

[0036] Further, the first protrusion 4 and the first water stop buckle 5 form a first bonding slot, and the waterproof membrane 9 extends into the first bonding slot; the second protrusion 7 and the second water stop buckle 6 form a second bonding slot, and the waterproof and breathable membrane 10 extends into the second bonding slot.

[0037] Further, the foamed filling layer 8 is located between the first water stop buckle 5 and the second water stop buckle 6, and the first water stop buckle 5 and the second water stop buckle 6 are located in the foamed filling layer 8.

[0038] Further, the cement mortar outer wall painting layer is filled into the first bonding slot; and the cement mortar window sill painting layer 3 is filled into the second bonding slot.

[0039] Further, the outer window frame is provided with a window frame fixing buckle 14 on the side surface of the outer window frame which is connected with the wall body 1, the window frame fixing buckle 14 is fixed on the wall body 1 through a fixing pin, and the outer window frame is fixed on the wall body 1 through the window frame fixing buckle 14.

[0040] Further, the outer window frame comprises a first window frame 15, a second window frame 16, and a heat insulation strip 17 used for connecting the first window frame 15 and the second window frame 16.

[0041] Further, the first protrusion 4 is located at the outer end of the side surface of the first window frame 15 which is connected with the wall body 1, and the second protrusion 7 is located at the outer end of the side surface of the second window frame 16 which is connected with the wall body 1.

[0042] Embodiment two, as shown in a construction method of a waterproof structure of an outer window frame, the following steps include: Figures 1 to 5

[0043] S1, fixing the window frame in the window opened on the wall body 1;

[0044] S2, foaming filling is used in the gap between the window frame and the wall body 1, and the foamed filling layer 8 is located between the first water stop buckle 5 and the second water stop buckle 6;

[0045] ​S3, the outer side of the intersection of the first water stop buckle 5, the foamed filling layer 8 and the wall 1 is pasted with a waterproof film 9, the waterproof film 9 covers the gap between the first water stop buckle 5 and the foamed filling layer 8, the gap between the foamed filling layer 8 and the wall 1;

[0046] S4, the inner side of the intersection of the second water stop buckle 6, the foamed filling layer 8 and the wall 1 is pasted with a waterproof and breathable film 10, the waterproof and breathable film 10 covers the gap between the second water stop buckle 6 and the foamed filling layer 8, the gap between the foamed filling layer 8 and the wall 1;

[0047] S5, after the waterproof film 9 is pasted on the outer side of the outer window frame, the cement mortar outer wall painting layer 2 is sealed and closed, after the waterproof and breathable film 10 is pasted on the inner side of the outer window frame, the cement mortar window sill painting layer 3 is sealed and closed;

[0048] S6, the gap between the cement mortar outer wall painting layer 2 and the first protrusion 4 of the outer window frame is coated with a structural adhesive 11, the structural adhesive 11 is filled into the first structural groove 12; the gap between the cement mortar window sill painting layer 3 and the second protrusion 7 of the outer window frame is coated with a structural adhesive 11, the structural adhesive 11 is filled into the second structural groove 13.

[0049] Embodiment three, as shown in a kind of construction method of outer window frame waterproof structure, as follows steps include: Figures 1 to 5

[0050] S1, the window frame is fixed in the window opened in wall 1;

[0051] S2, the gap between the window frame and the wall 1 is filled with foaming, and the foamed filling layer 8 is located between the first water stop buckle 5 and the second water stop buckle 6;

[0052] S3, the outer side of the intersection of the first water stop buckle 5, the foamed filling layer 8 and the wall 1 is pasted with a waterproof film 9, the waterproof film 9 covers the gap between the first water stop buckle 5 and the foamed filling layer 8, the gap between the foamed filling layer 8 and the wall 1;

[0053] S4, the inner side of the intersection of the second water stop buckle 6, the foamed filling layer 8 and the wall 1 is pasted with a waterproof and breathable film 10, the waterproof and breathable film 10 covers the gap between the second water stop buckle 6 and the foamed filling layer 8, the gap between the foamed filling layer 8 and the wall 1;

[0054] S5, after the waterproof film 9 is pasted on the outer side of the outer window frame, the cement mortar outer wall painting layer 2 is sealed and closed, the outer wall decorative coating layer 18 is brushed; after the waterproof and breathable film 10 is pasted on the inner side of the outer window frame, the cement mortar window sill painting layer 3 is sealed and closed, the inner wall decorative coating layer 19 is brushed;

[0055] ​S6, the outer wall decorative coating layer 18 and the gap of the first protrusion 4 of the outer window frame are coated with the structural adhesive 11, and the structural adhesive 11 is filled into the first structural groove 12; the inner wall decorative coating layer 19 and the gap of the second protrusion 7 of the outer window frame are coated with the structural adhesive 11, and the structural adhesive 11 is filled into the second structural groove 13.

[0056] The above embodiments are only the preferred embodiments of the present application, and are not intended to limit the specific implementation range of the present application. Any equivalent changes made in accordance with the shape and structure of the present application should be included in the protection scope of the present application.

Claims

1. A waterproof structure for an external window frame, comprising a wall with a window, an external window frame installed inside the window, a cement mortar exterior wall plaster layer located on the outside of the external window frame, and a cement mortar window sill plaster layer located on the inside of the external window frame, characterized in that, On the side where the outer window frame meets the wall, from the outside to the inside, there are a first protrusion, a first water-stop buckle, a second water-stop buckle, and a second protrusion, all extending along the length of the outer window frame. The gap between the outer window frame and the wall is filled with a foam filling layer. The first water-stop buckle, the foam filling layer, and the outer side of the junction with the wall are covered and sealed with a waterproof membrane. The second water-stop buckle, the foam filling layer, and the inner side of the junction with the wall are covered and sealed with a waterproof and breathable membrane. The outer side of the waterproof membrane is sealed with a cement mortar exterior wall plaster layer, and the inner side of the waterproof and breathable membrane is sealed with a cement mortar window sill plaster layer. The gap between the cement mortar exterior wall plaster layer and the first protrusion is sealed with structural adhesive. The cement mortar window sill plaster layer and the second protrusion are sealed with structural adhesive. The side of the first protrusion facing the wall has a first structural groove, into which structural adhesive is filled. The side of the second protrusion facing the wall has a second structural groove, into which structural adhesive is filled. The first and second structural grooves provide cavities for the structural adhesive that are not easily separated. A first bonding groove is formed between the first protrusion and the first water-stop buckle, and the waterproof membrane extends into the first bonding groove; a second bonding groove is formed between the second protrusion and the second water-stop buckle, and the waterproof and breathable membrane extends into the second bonding groove; the cement mortar exterior wall plaster layer is filled into the first bonding groove; the cement mortar windowsill plaster layer is filled into the second bonding groove.

2. The waterproof structure for an external window frame according to claim 1, characterized in that, The first structural groove is located at the gap between the first protrusion and the cement mortar exterior wall plaster layer; the second structural groove is located at the gap between the second protrusion and the cement mortar windowsill plaster layer.

3. A waterproof structure for an external window frame according to claim 1 or 2, characterized in that, The foamed filling layer is located between the first water-stop buckle and the second water-stop buckle, and both the first water-stop buckle and the second water-stop buckle are located within the foamed filling layer.

4. A waterproof structure for an external window frame according to claim 1 or 2, characterized in that, A window frame fixing clip is attached to the side where the outer window frame meets the wall. The window frame fixing clip is fixed to the wall by fixing pins, and the outer window frame is fixed to the wall by the window frame fixing clip.

5. The waterproof structure for an external window frame according to claim 4, characterized in that, The outer window frame includes a first window frame, a second window frame, and a thermal insulation strip for connecting the first window frame and the second window frame.

6. A waterproof structure for an external window frame according to claim 5, characterized in that, The first protrusion is located at the outer end of the side where the first window frame meets the wall, and the second protrusion is located at the outer end of the side where the second window frame meets the wall.

7. The waterproof structure for an external window frame according to claim 1, characterized in that, The structural adhesive used is a weather-resistant structural adhesive.

8. A construction method for a waterproof structure for an external window frame as described in any one of claims 1 to 7, comprising the following steps: S1. Fix the window frame inside the window opened on the wall; S2. The gap between the window frame and the wall is filled with foam, and the foam filling layer is located between the first water-stop clip and the second water-stop clip. S3. A waterproof membrane is pasted on the outside of the junction of the first water-stop buckle, the foam filling layer and the wall. The waterproof membrane covers the gap between the first water-stop buckle and the foam filling layer, and the gap between the foam filling layer and the wall. S4. A waterproof and breathable membrane is pasted on the inner side of the junction of the second water-stop buckle, the foam filling layer and the wall. The waterproof and breathable membrane covers the gap between the second water-stop buckle and the foam filling layer, and the gap between the foam filling layer and the wall. S5. After the waterproof membrane is pasted on the outside of the outer window frame, the cement mortar exterior wall plaster layer is sealed and closed. After the waterproof and breathable membrane is pasted on the inside of the outer window frame, the cement mortar windowsill plaster layer is sealed and closed. S6. Structural adhesive is applied to the gap between the cement mortar exterior wall plaster layer and the first protrusion of the exterior window frame, and the structural adhesive is filled into the first structural groove; Structural adhesive is applied to the gap between the cement mortar window sill plaster layer and the second protrusion of the exterior window frame, and the structural adhesive is filled into the second structural groove.

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