CN219281135U - Waterproof binding off structure of external corner - Google Patents

Abstract

The scheme belongs to the technical field of waterproof closing-in, and discloses a waterproof closing-in structure for external corners, which comprises building components with external corners, a waterproof layer paved on the surfaces of the building components and a rigid composite board fixed on the external corners; the rigid composite board comprises a rigid bottom board with a bent and angled cross section and a first waterproof coiled material compounded on the rigid bottom board Yang Jiaomian, wherein the rigid bottom board is matched with the male corner in shape, and the female corner surface of the rigid bottom board is attached to the male corner; the waterproof layer includes a second waterproof roll extending from the surface of the building element and connected to the first waterproof roll Yang Jiaomian. The scheme adopts the rigid composite board to replace II type or III type layering binding off, and the rigid composite board is installed simply swiftly on building member, and the combination of second waterproofing membrane and first waterproofing membrane is swift, reliable, need not the layering fixed, also need not sealed the processing, reduces fixed hidden danger that and sealed bring, is favorable to simplifying the construction process, improves the efficiency of construction, reduces construction cost, still possesses better waterproof leakproofness.

Description

Waterproof binding off structure of external corner

Technical Field

This scheme belongs to waterproof binding off technical field, concretely relates to waterproof binding off structure of external corner.

Background

The traditional coil material necking mode has a plurality of modes, but most of the modes adopt a necking pressing strip and sealant for necking and sealing, the construction process is complex, the efficiency is low, and the construction cost is high. According to the standard requirements, the waterproof closing-in part of the roof needs to be closed-in by adopting a II-type or III-type pressing bar, and is sealed. Because the weather-proof sealant is exposed for a long time, the durability period is relatively short, and meanwhile, the sealant and the aluminum closing-in pressing strip are made of materials of different materials, the weather resistance of the sealant can be reduced, so that the phenomenon of glue opening is caused, and the durability period of the waterproof material is difficult to meet.

Disclosure of Invention

The scheme aims at overcoming at least one defect (deficiency) in the prior art and providing the waterproof external corner closing-in structure with long durability.

In order to solve the technical problems, the following technical scheme is adopted:

a waterproof closing-in structure of external corner comprises a building component with external corner, a waterproof layer laid on the surface of the building component and a rigid composite board fixed on the external corner; the rigid composite board comprises a rigid bottom board with a bent and angled cross section and a first waterproof coiled material compounded on the rigid bottom board Yang Jiaomian, wherein the rigid bottom board is matched with the male corner in shape, and the female corner surface of the rigid bottom board is attached to the male corner; the waterproof layer includes a second waterproof roll extending from the surface of the building element and connected to the first waterproof roll Yang Jiaomian.

The scheme adopts the rigid composite board to replace the II-type or III-type pressing strip for closing in, so that the internal corner surface of the rigid composite board is attached to the external corner of the building member, and the rigid composite board is fixed on the building member, and the installation is simple and quick. The second waterproof coiled material forming the waterproof layer is paved on the surface of the building member and extends to the external corner fixed with the rigid composite board, and at the external corner, the second waterproof coiled material covers the external corner surface of the rigid composite board and is combined with the first waterproof coiled material, so that the closing-in of the waterproof layer is realized. The combination of the first waterproof coiled material and the second waterproof coiled material is quick and reliable, and the first waterproof coiled material and the second waterproof coiled material are waterproof, so that the waterproof sealing performance is improved, the pressing strip is not required to be fixed, the sealing treatment is not required, hidden dangers caused by fixation and sealing are reduced, the construction process is simplified, the construction efficiency is improved, and the construction cost is reduced.

The first waterproof coiled material and the second waterproof coiled material are preferably high-molecular waterproof coiled materials made of the same material, and are connected together through hot air welding, so that the combination mode is firm and convenient, the second waterproof coiled material and the first waterproof coiled material are integrated into a whole, the second waterproof coiled material and the rigid composite board are integrated into a whole, the waterproof sealing performance is improved further, the durability of a closing-in structure is improved, and the leakage risk is reduced.

The building element may be selected as a planar element or a facade element. When the elevation component is parapet, the waterproof closing structure further comprises a flashing board buckled at the top end of parapet, and the junction of the first waterproof coiled material and the second waterproof coiled material is hidden in the flashing board.

The building component can be selected as a concrete component, when the building component is a concrete component, the external corner is provided with a groove, the rigid composite board is embedded into the groove, the local bulge phenomenon caused by the use of the rigid composite board is reduced or eliminated, the flatness of the surface of the building component is ensured, the leveling difficulty is reduced, and the surface layer construction is facilitated. More preferably, the external corner surface of the first waterproof coiled material is flush with or lower than the notch of the groove, so that the local bulge phenomenon caused by the use of the rigid composite board can be eliminated. When the external corner surface of the rigid composite board is lower than the notch of the groove, concrete can be backfilled in the groove to play a leveling role, and meanwhile, the junction of the first waterproof coiled material and the second waterproof coiled material is buried and hidden, so that the ageing acceleration caused by direct light, wind, rain and the like is avoided, and the durability of the closing-in structure is further improved.

The rigid composite board is preferably fixedly attached to the external corner by fasteners to improve the connection stability of the two. More preferably, the rigid composite board is provided with a plurality of through holes arranged along the length direction thereof, and the fastener is connected with the external corner through the through holes. More preferably, a plurality of through holes distributed along the length direction are arranged on two sides of the bending line of the rigid composite board so as to further improve the connection strength and stability of the rigid composite board and the external corner of the building component. The through holes are preferably counter bores, the fastening pieces are countersunk head pieces matched with the counter bores, so that the external corner surfaces of the fixed rigid composite boards are kept flat, the second waterproof coiled materials are smoothly combined to the external corner surfaces of the first waterproof coiled materials, the contact area and the combination strength of the two waterproof coiled materials are guaranteed, the minimum size requirement on the rigid composite boards is reduced, and cost saving is facilitated.

Compared with the prior art, the scheme has the following beneficial effects: the rigid composite board is adopted to replace the II-type or III-type pressing strip for closing in, the rigid composite board is installed on a building member simply and quickly, the second waterproof coiled material forming the waterproof layer is combined with the first waterproof coiled material forming the rigid composite board quickly and reliably, the two waterproof coiled materials are waterproof, waterproof sealing performance is improved, the pressing strip is not required to be fixed, sealing treatment is not required, hidden danger caused by fixation and sealing is reduced, construction procedures are simplified, construction efficiency is improved, and construction cost is reduced.

Drawings

The drawings are for illustrative purposes only and are not to be construed as limiting the present solution; for better illustration of the present solution, some parts of the figures may be omitted, enlarged or reduced, and do not represent the dimensions of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Fig. 1 is a schematic structural view of a corner waterproof closing-in construction.

Fig. 2 is a schematic perspective view of a rigid composite board.

Fig. 3 is a schematic cross-sectional view of a rigid composite board.

Fig. 4 is a schematic structural view of a concrete wallboard external corner waterproof closure construction.

Fig. 5 is an enlarged view of a portion of a concrete wall panel external corner waterproof cuff construction.

Fig. 6 is a schematic structural view of a parapet corner waterproof closing-in structure.

Fig. 7 is a partial enlarged view of a parapet corner waterproof closing-in structure.

Reference numerals illustrate: building element 100, basic unit 101, parapet 102, wall 110, heat preservation 120, sandalwood 130, rigid composite board 200, rigid base plate 210, first waterproof roll 220, through hole 201, fastener 202, countersunk screw 2021, screw 2022, second waterproof roll 310, flashing 400, rivet 401, bending line l, external corner e, internal corner i, yang Jiaomian Fe, internal corner Fi.

Detailed Description

Referring to fig. 1, the present disclosure proposes a waterproof exterior corner closing-up structure, which includes a building member 100 having an exterior corner e, a rigid composite board 200 fixed to the exterior corner e, and a waterproof layer laid on the surface of the building member 100; the rigid composite board 200 comprises a rigid base plate 210 with a bent and angled cross section and a first waterproof roll 220 compounded on the external corner surface Fe of the rigid base plate 210, wherein the rigid base plate 210 is matched with the external corner e in shape, and the internal corner surface Fi of the rigid base plate is matched with the external corner e; the waterproof layer includes a second waterproof roll 310 extending from the surface of the building element 100 and connected to the exterior corner surface Fe of the first waterproof roll 220.

In the above-described embodiment, the rigid composite board 200 is formed by compounding the rigid base board 210 and the first waterproof roll 220. As shown in fig. 2 to 3, the rigid base plate 210 is a long plate material, and is bent by a line parallel to the length direction thereof as a bending line l, and two sides bordered by the bending line l are bent to form right angles/acute angles/obtuse angles; the cross section perpendicular to the length direction is L-shaped, and therefore, the cross section has a convex external angle e and a concave internal angle i, one surface forming the external angle e is Yang Jiaomian Fe, and the other surface forming the internal angle i is an internal angle surface Fi. The first waterproof roll 220 is a flexible material, and is adhered to the Yang Jiaomian Fe of the rigid base plate 210, so that the waterproof roll is bent at right/acute/obtuse angles along Yang Jiaomian Fe of the rigid base plate 210, and has an external corner surface Fe and an internal corner surface Fi, wherein the internal corner surface Fi is adhered to Yang Jiaomian Fe of the rigid base plate 210, and Yang Jiaomian Fe is exposed and can be adhered to the waterproof roll. Accordingly, the overall shape of rigid composite board 200 is determined by the shape of rigid chassis 210, and is also provided with bending line l, external corner e, internal corners i, yang Jiaomian Fe, and internal corner surface Fi, yang Jiaomian Fe being formed by external corner surface Fe of first waterproof roll 220, and internal corner surface Fi being formed by internal corner surface Fi of rigid chassis 210.

The external corner waterproof closing-up structure adopts the rigid composite board 200 to replace a II-type or III-type pressing strip closing-up, so that the internal corner surface Fi of the rigid composite board 200 is attached to the external corner e of the building component 100, and the rigid composite board 200 is fixed on the building component 100, and the installation is simple and quick. The second waterproof roll 310 as a waterproof layer is laid on the surface of the building member 100 and extends to the external corner e where the rigid composite board 200 is fixed, and at the external corner e, the second waterproof roll 310 is covered on the external corner surface Fe of the rigid composite board 200 and combined with the first waterproof roll 220, thereby achieving the closing-in of the waterproof layer. The combination of the first waterproof coiled material 220 and the second waterproof coiled material 310 is quick and reliable, and the first waterproof coiled material and the second waterproof coiled material both have waterproof functions, so that waterproof tightness is improved, the fixing of a pressing strip is not needed, sealing treatment is not needed, hidden dangers caused by fixing and sealing are reduced, construction procedures are simplified, construction efficiency is improved, and construction cost is reduced.

In the rigid composite board 200, the rigid base plate 210 may be made of a metal plate material such as steel or iron, or may be made of a rigid plastic material such as PVC. The female and male corners of the rigid base plate 210 can be prefabricated and formed, and the rigid composite board 200 with the female angle i matched with the male angle e of the building element 100 can be selected for construction. For the weaker rigid base plate 210, the rigid composite board 200 may be bent to form the appropriate angle female and male corners according to the angle e of the external corner of the building element 100 during the construction process. The first waterproof roll 220 is preferably a polymer waterproof roll, such as a TPO waterproof roll or a PVC waterproof roll, and the rigid composite board 200 made of the same material as the second waterproof roll 310 is preferably used for construction, so that the bonding strength of the two materials is better. When the first waterproof coiled material 220 and the second waterproof coiled material 310 are high polymer waterproof coiled materials of the same material, the first waterproof coiled material 220 and the second waterproof coiled material 310 can be combined together through hot air welding, and the combination mode is firm and convenient, and the second waterproof coiled material 310 and the first waterproof coiled material 220 are integrated into a whole, so that the waterproof sealing performance is improved, the durability of a closing-in structure is improved, and the leakage risk is reduced. The rigid chassis 210 and the first waterproof roll 220 may be combined together with an adhesive.

Structurally, the building element 100 may be a planar element such as a base (fig. 4), or a vertical element such as a wall panel, parapet (fig. 6), chimney, stairwell, deformation joint, manhole, riser, etc. For the facade element, the end face of the facade element is provided with an external corner e close to the outer side of the building and an external corner e close to the inner side of the building, the rigid composite board 200 can be fixed on the external corner e or the internal external corner e, specifically, the fixed position can be determined according to the closing-in requirement (half-wrapping or full-wrapping), and when the closing-in requirement is met, a rigid composite board 200 can be fixed on each external corner e and each external corner e. When the building element 100 is a parapet, a flashing board may be fastened to the top end of the parapet. At this time, the junction between the first waterproof roll 220 and the second waterproof roll 310 may be hidden in the flashing, so as to avoid the aging acceleration caused by direct light, wind, rain, etc., and further improve the durability of the closing-in structure.

The building element 100 may be a concrete element or an element made of other materials such as a heat-insulating wall plate. When the building element 100 is a concrete element, the external corner e of the building element 100 can be provided with a groove so that the rigid composite board 200 is embedded therein, the local bulge phenomenon caused by the use of the rigid composite board 200 is reduced or eliminated, the flatness of the surface of the building element 100 is ensured, the leveling difficulty is reduced, and the surface layer construction is facilitated. When the external corner surface Fe of the rigid composite board 200, i.e., yang Jiaomian Fe of the first waterproof roll 220, is flush with or lower than the notch of the groove, the local protrusion phenomenon caused by the use of the rigid composite board 200 can be eliminated. When the external corner surface Fe of the rigid composite board 200 is lower than the notch of the groove, concrete can be backfilled in the groove to play a leveling role, and meanwhile, the junction of the first waterproof coiled material 220 and the second waterproof coiled material 310 is buried and hidden, so that the ageing acceleration caused by direct light, wind, rain and the like is avoided, and the durability of the closing-in structure is further improved.

The rigid composite board 200 may be fixedly connected to the external corner e of the building element 100 by a fastener such as a screw, may be fixedly connected to the external corner e of the building element 100 by an adhesive, and may be fixedly connected to the external corner e of the building element 100 by welding when the rigid base board 210 and the building element 100 are made of metal materials (at least surfaces). For the rigid composite board 200 fixedly coupled by the fastener, a plurality of through holes 201 arranged along the length direction thereof may be preset so that the fastener passes through the through holes 201 to be fixedly coupled with the external corner e of the building element 100. Preferably, the bending line l of the rigid composite board 200 is provided at both sides with a plurality of through holes 201 arranged along the length direction thereof to improve the connection strength and stability with the external corner e of the building element 100. The preset through holes 201 are preferably counter bores, and correspondingly, the fasteners are preferably countersunk parts matched with the through holes, such as countersunk screws, so that the external corner surface Fe of the fixed rigid composite board 200 is kept flat, the second waterproof coiled material 310 is smoothly combined with the first waterproof coiled material 220 Yang Jiaomian Fe, the contact area and the combination strength of the two are ensured, the minimum size requirement on the rigid composite board 200 is reduced, and the cost is saved. The spacing between adjacent through holes 201 should not be too large to ensure the strength of the connection between rigid composite board 200 and the external corner e of building element 100.

In order to better understand the present solution, a further detailed description of the present solution will be provided below in conjunction with specific embodiments.

Fig. 4 to 5 are views showing a first embodiment of the above-described external corner waterproof closing-in configuration. The corner waterproof closing-in construction includes a base layer 101, a rigid composite board 200, and a waterproof layer. Base layer 101 is a concrete member having a 90 degree external angle e that is grooved with rigid composite board 200 embedded therein. The waterproof layer is laid on the surface of the base layer 101 and extends onto the rigid composite board 200.

The rigid composite board 200 is formed by compounding a rigid base board 210 and a first waterproof roll 220. The rigid base plate 210 is a long strip plate, takes a line parallel to the length direction of the long strip plate as a bending line, and bends at right angles on two sides taking the bending line as a boundary; the cross section perpendicular to the length direction is L-shaped, and therefore, the cross section has a convex external corner e and a concave internal corner, one surface forming the external corner e is an external corner e surface, and the other surface forming the internal corner is an internal corner surface. The first waterproof roll 220 is a flexible material and is adhered to the outer corner e surface of the rigid chassis 210 by an adhesive, and thus is bent at right angles along the outer corner e surface of the rigid chassis 210, and has an outer corner e surface and an inner corner surface, the inner corner surface being adhered to the outer corner e surface of the rigid chassis 210, and the outer corner e surface being exposed and being adhered to the waterproof roll. Accordingly, the overall shape of rigid composite board 200 is determined by the shape of rigid chassis 210, and is also provided with a bending line, an external corner e, an internal corner, an external corner e face, and an internal corner face, where external corner e face is formed by external corner e face of first waterproof roll 220, and internal corner face is formed by internal corner face of rigid chassis 210.

The rigid composite board 200 is matched with the external corner e and the groove of the base layer 101 in shape, the internal corner surface of the rigid composite board is attached to the bottom surface of the groove, the external corner e surface is flush with the notch of the groove, the local bulge phenomenon caused by the use of the rigid composite board 200 is eliminated, the flatness of the surface of the base layer 101 is ensured, the leveling difficulty is reduced, and the surface layer construction is facilitated. A plurality of counter bores arranged along the length direction of the bending line of the rigid composite board 200 are preset at both sides of the bending line, and penetrate through the rigid base board 210 and the first waterproof coiled material 220. Countersunk head screws 2021 are arranged in the countersink holes in a penetrating mode, countersunk head screws 2021 penetrate through the countersink holes and then penetrate into the base layer 101, so that fixed connection between the rigid composite board 200 and the base layer 101 is achieved, high connection strength and stability are achieved, meanwhile, the external corner e face of the fixed rigid composite board 200 is kept flat, the second waterproof coiled material 310 is smoothly combined to the external corner e face of the first waterproof coiled material 220, the contact area and the combination strength of the two are guaranteed, the minimum size requirement on the rigid composite board 200 is reduced, and cost saving is facilitated.

The waterproof layer includes at least a second waterproof roll 310, the second waterproof roll 310 extending from the surface of the base layer 101 and being connected to the outer corner e-face of the first waterproof roll 220. The first waterproof coiled material 220 and the second waterproof coiled material 310 are TPO waterproof coiled materials, and are welded together through hot air, so that the waterproof sealing performance and durability of the closing-in structure are improved, and the leakage risk is reduced.

Fig. 6 to 7 are views showing a second embodiment of the above-described external corner waterproof closing-in configuration. The exterior corner waterproof and healing construction includes parapet 102, rigid composite board 200, waterproof layer and flashing 400. Parapet wall 102 is a thermal insulation wallboard, and comprises a plurality of walls 110 connected into a whole through criss-cross sandal wood strips 130, and thermal insulation layers 120 are embedded on the walls 110. Both the inside and outside of the top end of parapet 102 have a 90 external angle e, and rigid composite board 200 is secured to external angle e. The waterproof layer is laid on the inner surface of parapet wall 102, extends upward and extends onto rigid composite board 200 via inner external corner e, and realizes full wrapping. The waterproof board is fastened on the top end of parapet 102, and is located outside the rigid composite board 200 and the waterproof layer, and is fixedly connected to the sandal strips 130 through rivets 401.

The rigid composite board 200 is formed by compounding a rigid base board 210 and a first waterproof roll 220. The rigid base plate 210 is a long strip plate, takes a line parallel to the length direction of the long strip plate as a bending line, and bends at right angles on two sides taking the bending line as a boundary; the cross section perpendicular to the length direction is L-shaped, and therefore, the cross section has a convex external corner e and a concave internal corner, one surface forming the external corner e is an external corner e surface, and the other surface forming the internal corner is an internal corner surface. The first waterproof roll 220 is a flexible material and is adhered to the outer corner e surface of the rigid chassis 210 by an adhesive, and thus is bent at right angles along the outer corner e surface of the rigid chassis 210, and has an outer corner e surface and an inner corner surface, the inner corner surface being adhered to the outer corner e surface of the rigid chassis 210, and the outer corner e surface being exposed and being adhered to the waterproof roll. Accordingly, the overall shape of rigid composite board 200 is determined by the shape of rigid chassis 210, and is also provided with a bending line, an external corner e, an internal corner, an external corner e face, and an internal corner face, where external corner e face is formed by external corner e face of first waterproof roll 220, and internal corner face is formed by internal corner face of rigid chassis 210.

The rigid composite board 200 is matched with the external corner e on the outer side of the parapet 102 in a shape, the internal corner surface of the rigid composite board is attached to the external corner e on the outer side of the parapet 102, a plurality of through holes which are arranged along the length direction of the bending line of the rigid composite board 200 are preset on two sides of the bending line of the rigid composite board 200, and the through holes penetrate through the rigid bottom board 210 and the first waterproof coiled material 220. Screws 2022 matched with the through holes are penetrated in the through holes, and the screws 2022 penetrate through the through holes and then are drilled into the sandal strips 130 and the wall body 110, so that the rigid composite board 200 and the parapet 102 are fixedly connected, and the connecting strength and the stability are high.

The waterproof layer includes at least a second waterproof roll 310, and the second waterproof roll 310 extends from the surface of the parapet wall 102 and is connected to the outer corner e surface of the first waterproof roll 220. The first waterproof coiled material 220 and the second waterproof coiled material 310 are both PVC waterproof coiled materials, and are welded together through hot air, so that the waterproof sealing performance and durability of the closing-in structure are improved, and the leakage risk is reduced. The junction of the first waterproof roll 220 and the second waterproof roll 310 is hidden in the flashing 400, so that the aging acceleration caused by direct light, wind, rain, and the like is avoided, and the durability of the closing-in structure is further improved.

It is apparent that the above examples of the present solution are merely examples for clearly illustrating the present solution and are not limiting of the embodiments of the present solution. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present solution should be included in the protection scope of the present solution claims.

Claims (10)

1. The utility model provides a waterproof binding off structure of external corner, includes the building element that has the external corner and lays in the waterproof layer of building element's surface, its characterized in that still includes being fixed in the rigidity composite sheet of external corner, the rigidity composite sheet include the cross section bend angled rigidity bottom plate and compound in the first waterproofing membrane of the external corner face of rigidity bottom plate, rigidity bottom plate with the cooperation of external corner form and its reentrant corner face laminating the external corner, the waterproof layer includes by the surface extension of building element and connect to the second waterproofing membrane of the external corner face of first waterproofing membrane.

2. The external corner waterproof closing-in structure according to claim 1, wherein the first waterproof roll and the second waterproof roll are polymer waterproof rolls made of the same material, and are connected together through hot air welding.

3. The external corner flashing construction of claim 1, wherein the building element is a planar element or a facade element.

4. The external corner waterproof closing-in structure according to claim 3, wherein the elevation member is a parapet wall, the waterproof closing-in structure further comprises a flashing board buckled at the top end of the parapet wall, and the junction of the first waterproof roll and the second waterproof roll is hidden in the flashing board.

5. The waterproof closing-in structure for external corners according to any one of claims 1 to 4, wherein the building member is a concrete member, the external corners are provided with grooves, and the rigid composite board is embedded in the grooves.

6. The corner waterproof closing-in construction according to claim 5, wherein the corner face of the first waterproof roll is flush with or lower than the notch of the groove.

7. The waterproof exterior corner closing-in structure according to any one of claims 1 to 4, wherein the rigid composite board is fixedly connected to the exterior corner by a fastener.

8. The external corner waterproof closing-in structure according to claim 7, wherein the rigid composite board is provided with a plurality of through holes arranged along a length direction thereof, and the fastener passes through the through holes to be connected with the external corner.

9. The external corner waterproof closing-in structure according to claim 8, wherein a plurality of through holes are arranged along the length direction of the bending line of the rigid composite board on both sides.

10. The male corner water-resistant closure element of claim 8 or 9, wherein the through-hole is a counterbore and the fastener is a countersunk head member mating with the counterbore.

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