Building roof waterproof structure
By setting a combined structure of an annular ridge and a compression block in the building roof waterproof structure, combined with a waterproof coating layer and a protective top plate, the sealing problem between the self-adhesive waterproof membrane and the parapet is solved, and the waterproof performance and service life are improved.
Patent Information
- Application Number
- CN202423001132.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-06
AI Technical Summary
In existing building roof waterproofing structures, the sealing performance between the self-adhesive waterproof membrane and the parapet is difficult to ensure, which leads to easy leakage of rainwater and affects the waterproofing performance.
A combined structure of an annular ridge and a compression block is set between the waterproof membrane layer and the parapet, the compression block is fixed with hexagonal bolts, and a waterproof coating layer and a protective top plate are set at key locations to enhance the sealing effect.
It effectively reduces the probability of rainwater infiltration from the gap between the waterproof membrane layer and the inner surface of the parapet, improves the waterproof performance of the roof waterproof structure, and extends its service life.
Smart Images

Figure CN223459045U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waterproof structure technical field, especially relate to a building roof waterproof structure. BACKGROUND
[0002] Building roof waterproof structure refers to the key structure that prevents rainwater leakage through a series of waterproof layers and sealing materials. Common waterproof layer materials include asphalt, concrete and polymers, while sealing materials are used to connect various waterproof layers to ensure no gaps. The quality of building roof waterproof structure directly affects the service life of the building and the quality of life of the occupants. If the roof leaks, it will not only affect the normal use of the building, but also erode the building structure and foundation, shortening the service life of the building.
[0003] In the Chinese utility model patent with publication number CN219138166U, a roof waterproof tool is disclosed, which relates to the technical field of roof waterproofing. It includes a self-adhesive waterproof roll and a polymer cement mortar surface. The polymer cement mortar surface is located between the self-adhesive waterproof roll and the roof structure layer. It also includes a mortar protective layer. The self-adhesive waterproof roll is located between the polymer cement mortar surface and the mortar protective layer. The edges of the mortar protective layer and the polymer cement mortar surface are integrally connected to the side of the parapet wall of the roof structure layer. The top surface of the polymer cement mortar surface near the parapet wall is provided with a receiving groove. The side of the self-adhesive waterproof roll is attached to the inner wall of the receiving groove. The edge of the self-adhesive waterproof roll extends to the outside of the receiving groove in the direction of the parapet wall.
[0004] According to the related technology in the above, the inventors believe that there are the following defects: The edge of the self-adhesive waterproof roll extends to the outside of the receiving groove in the direction of the parapet wall. The sealing performance between the self-adhesive waterproof roll and the parapet wall is difficult to guarantee. After a long time of use, rainwater can easily leak from the gap between the self-adhesive waterproof roll and the parapet wall, affecting the waterproof performance of the roof. Therefore, it is necessary to improve the design of the related technology. UTILITY MODEL CONTENTS
[0005] To solve the above problems, the utility model provides a building roof waterproof structure.
[0006] The technical scheme of the building roof waterproof structure is as follows: a waterproof paint layer is coated on the top of the roof and the inner surface of the parapet wall, and a waterproof roll layer is laid on the surface of the waterproof paint layer; the top of the parapet wall is provided with an annular protruding edge protruding towards the top of the roof; the bottom of the annular protruding edge is provided with an upper annular groove for accommodating the waterproof roll layer; the upper annular groove is provided with an upper annular pressing block for pressing the waterproof roll layer; the inner wall of the parapet wall is provided with a lower annular groove for accommodating the waterproof roll layer near the top of the roof; and the lower annular groove is provided with a lower annular pressing block for pressing the waterproof roll layer.
[0007] By adopting the above technical scheme, the upper annular pressing block presses part of the waterproof roll layer in the upper annular groove, and the lower annular pressing block presses part of the waterproof roll layer in the lower annular groove, thereby sufficiently reducing the probability of rainwater seeping from the gap between the waterproof roll layer and the inner surface of the parapet wall, and ensuring the waterproof performance of the roof waterproof structure.
[0008] Further, the top of the annular protruding edge is provided with an inner hexagonal bolt penetrating through the annular protruding edge and matched with the annular protruding edge in a gap, the lower end of the inner hexagonal bolt penetrates through the waterproof paint layer and the waterproof roll layer in sequence and is threadedly connected with the top of the upper annular pressing block, the inner hexagonal bolt is provided with a plurality of inner hexagonal bolts, and the top of the annular protruding edge is provided with an accommodation hole for accommodating the head of the inner hexagonal bolt.
[0009] By adopting the above technical scheme, the inner hexagonal bolt fixes the upper annular pressing block in the annular groove of the annular protruding edge, thereby ensuring the fixing effect of the upper annular pressing block on the waterproof roll layer.
[0010] Further, the top of the parapet wall, the top of the annular protruding edge and the inner wall of the annular protruding edge are all provided with a waterproof coating layer, and a protection top plate is jointly arranged on the waterproof coating layers of the top of the parapet wall and the top of the annular protruding edge.
[0011] By adopting the above technical scheme, the waterproof coating layer is arranged, thereby reducing the probability of rainwater seeping from the gap between the top of the annular protruding edge and the inner hexagonal bolt, and the protection top plate plays a good protection role on the waterproof coating layer, which is conducive to prolonging the service life of the roof waterproof structure.
[0012] Further, the upper annular pressing block is in an inverted T shape, and the top of the horizontal section of the upper annular pressing block is matched with the bottom of the annular protruding edge and abuts against the waterproof roll layer.
[0013] By adopting the above technical scheme, the shape of the upper annular pressing block is limited, which plays a good pressing effect on the waterproof roll layer, so that the waterproof roll layer is tightly attached to the bottom of the annular protruding edge, thereby ensuring the waterproof performance of the roof waterproof structure.
[0014] Further, the lower annular pressing block is composed of four rods abutting each other, and a connecting piece for connecting adjacent rods is arranged at the corner of the lower annular pressing block, the connecting piece comprises a connecting inclined rod and a connecting plate integrally formed at the end of the connecting inclined rod, the connecting plate is provided with two connecting plates located at the two ends of the connecting inclined rod, and a fastening bolt in clearance fit with the connecting plate is arranged on each connecting plate, and the end of the fastening bolt is in threaded connection with the side wall of the rod.
[0015] By adopting the above technical scheme, the connecting piece and the fastening bolt are cooperated to fix the adjacent rods, so that the effect of the lower annular pressing block on pressing and fixing the waterproof material layer is ensured.
[0016] Further, the waterproof material layer on the top of the roof is paved with ceramic tiles.
[0017] By adopting the above technical scheme, the ceramic tiles have a good protective effect on the waterproof material layer.
[0018] Further, a drain pipe is arranged at the position close to the top of the roof on the side wall of the parapet wall, and a waterproof cement strip is arranged at the intersection between the drain pipe and the side wall of the parapet wall and the waterproof material layer.
[0019] By adopting the above technical scheme, the rainwater accumulated on the roof can be discharged in time.
[0020] Further, a leveling layer is arranged between the top of the roof and the waterproof paint layer.
[0021] By adopting the above technical scheme, the arrangement of the leveling layer makes the waterproof paint layer more flat, reduces the probability of increasing the laying difficulty of the waterproof paint layer due to the uneven roof in the laying process, and is beneficial to the laying of the waterproof material layer and plays a good waterproof effect.
[0022] Further, the waterproof paint layer comprises a first coating layer and a second coating layer arranged in sequence from the top of the roof downward or arranged in sequence from the parapet wall to the top of the roof.
[0023] In summary, the utility model has the following beneficial effects:
[0024] 1、In the application, the upper annular pressing block presses part of the waterproof material layer in the upper annular groove, and the lower annular pressing block presses part of the waterproof material layer in the lower annular groove, so that the probability of rainwater seeping from the gap between the waterproof material layer and the inner surface of the parapet wall is reduced, and the waterproof performance of the roof waterproof structure is ensured.
[0025] 2、The waterproof coating layer is arranged in the application, the probability of rainwater infiltration from the gap between the top of the annular convex edge and the inner hexagonal bolt is reduced, the top plate plays a good protection role on the waterproof coating layer, and the service life of the roof waterproof structure is prolonged;
[0026] 3、The connecting piece and the fastening bolt cooperate in the application, so that the adjacent rod bodies are fixed, and the effect of the lower annular pressing block on the waterproof roll material layer is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 is a whole structure schematic view of the embodiment of the utility model;
[0028] Figure 2 is Figure 1 enlarged schematic view of A in the figure;
[0029] Figure 3 is a plane structure schematic view of the embodiment of the utility model;
[0030] Figure 4 is Figure 3 enlarged schematic view of B in the figure.
[0031] In the figure: 1, roof; 2, parapet wall; 21, lower annular groove; 22, drain pipe; 23, protective layer; 3, waterproof paint layer; 31, first coating layer; 32, second coating layer; 4, waterproof roll material layer; 5, annular convex edge; 51, upper annular groove; 52, inner hexagonal bolt; 6, upper annular pressing block; 7, lower annular pressing block; 71, rod body; 8, waterproof coating layer; 9, protective top plate; 10, connecting piece; 101, connecting inclined rod; 102, connecting plate; 1021, fastening bolt; 11, ceramic tile; 12, leveling layer. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application; obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments; based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the application.
[0033] As Figures 1-4As shown, the embodiment of the present application discloses a building roof waterproof structure, which comprises a waterproof paint layer 3 coated on the top of a roof 1 and the inner surface of a parapet 2, and a waterproof roll layer 4 laid on the surface of the waterproof paint layer 3; the top of the parapet 2 is provided with an annular convex edge 5 protruding towards the top of the roof 1; the bottom of the annular convex edge 5 is provided with an upper annular groove 51 for accommodating the waterproof roll layer 4; the upper annular groove 51 is provided with an upper annular pressing block 6 for pressing the waterproof roll layer 4; the inner wall of the parapet 2 is provided with a lower annular groove 21 for accommodating the waterproof roll layer 4 at a position close to the top of the roof 1; and the lower annular groove 21 is provided with a lower annular pressing block 7 for pressing the waterproof roll layer 4.
[0034] The upper annular pressing block 6 presses part of the waterproof roll layer 4 in the upper annular groove 51, and the lower annular pressing block 7 presses part of the waterproof roll layer 4 in the lower annular groove 21, so that the probability of rainwater seeping from the gap between the waterproof roll layer 4 and the inner surface of the parapet 2 is greatly reduced, and the waterproof performance of the roof waterproof structure is ensured.
[0035] The top of the annular convex edge 5 is provided with an inner hexagonal bolt 52 penetrating through the annular convex edge 5 in a gap fit mode; the lower end of the inner hexagonal bolt 52 penetrates through the waterproof paint layer 3 and the waterproof roll layer 4 in sequence and is threadedly connected with the top of the upper annular pressing block 6; the inner hexagonal bolt 52 is provided with a plurality of accommodating holes (not shown in the figure) for accommodating the head of the inner hexagonal bolt 52.
[0036] The inner hexagonal bolt 52 fixes the upper annular pressing block 6 in the annular groove of the annular convex edge 5, so that the fixing effect of the upper annular pressing block 6 on the waterproof roll layer 4 is ensured.
[0037] The top of the parapet 2, the top of the annular convex edge 5 and the inner wall of the annular convex edge 5 are all provided with a waterproof coating layer 8; and the waterproof coating layers 8 on the top of the parapet 2 and the top of the annular convex edge 5 are jointly provided with a protection top plate 9. In the embodiment, the corresponding waterproof roll layer 4 of the parapet 2 is provided with a protection layer 23 on the inner side.
[0038] The waterproof coating layer 8 reduces the probability of rainwater seeping from the gap between the top of the annular convex edge 5 and the inner hexagonal bolt 52, and the protection top plate 9 plays a good protection role on the waterproof coating layer 8, which is conducive to prolonging the service life of the roof waterproof structure.
[0039] The cross section of the upper annular pressing block 6 is in an inverted T shape; and the horizontal section of the upper annular pressing block 6 is respectively matched with the bottom of the annular convex edge 5 and abuts against the waterproof roll layer 4. The shape of the upper annular pressing block 6 has a good pressing effect on the waterproof roll layer 4, so that the waterproof roll layer 4 is tightly attached to the bottom of the annular convex edge 5, and the waterproof performance of the roof waterproof structure is ensured.
[0040] The lower annular pressing block 7 is composed of four rod bodies 71 which are closed to each other. The corner of the lower annular pressing block 7 is provided with a connecting piece 10 for connecting the adjacent rod bodies 71. The connecting piece 10 comprises a connecting inclined rod 101 and a connecting plate 102 which is integrally formed with the end of the connecting inclined rod 101. The connecting plate 102 is provided with two connecting plates 102 which are located at the two ends of the connecting inclined rod 101. The fastening bolt 1021 is provided on each connecting plate 102 and is in clearance fit with the connecting plate 102. The end of the fastening bolt 1021 is in threaded connection with the side wall of the rod body 71. The connecting piece 10 and the fastening bolt 1021 are cooperated to fix the adjacent rod bodies 71, so as to ensure the effect of the lower annular pressing block 7 on the pressing and fixing of the waterproof roll material layer 4.
[0041] In order to protect the waterproof roll material layer 4, the tiles 11 are laid on the waterproof roll material layer 4 at the top of the roof 1. The laying method of the tiles 11 is the same as the prior art. The concrete mortar needs to be arranged on the top of the waterproof roll material layer 4. This does not need to be repeated here. The drainage ditch is reserved between the edge of the tile 11 area and the parapet wall 2. The drainage ditch channel is poured by the concrete mortar on the waterproof roll material layer 4 in the drainage ditch area. This part also belongs to the conventional means in the prior art.
[0042] The drainage pipe 22 is arranged on the side wall of the parapet wall 2 close to the top of the roof 1. The intersection between the drainage pipe 22 and the side wall of the parapet wall 2 and the waterproof roll material layer 4 is provided with a waterproof cement strip (not shown in the figure). The arrangement of the drainage pipe 22 can timely drain the rainwater accumulated on the roof 1. In order to prevent the drainage pipe 22 from being blocked, the corresponding filtering and intercepting measures can be arranged at the water inlet of the drainage pipe 22.
[0043] The leveling layer 12 is arranged between the top of the roof 1 and the waterproof paint layer 3. The arrangement of the leveling layer 12 makes the waterproof paint layer 3 more flat, reduces the probability of increasing the laying difficulty of the waterproof paint layer 3 due to the unevenness of the roof 1 in the laying process, and is beneficial to the laying of the waterproof roll material layer 4 and plays a good waterproof effect.
[0044] The waterproof paint layer 3 comprises the first coating layer 31 and the second coating layer 32 which are arranged in sequence from the top of the roof 1 downward or from the parapet wall 2 to the top of the roof 1. The second waterproof paint is coated after the first waterproof paint is dried, so as to ensure the waterproof effect of the waterproof paint layer 3.
[0045] The use principle of the building roof waterproof structure in the embodiment is that the upper annular pressing block 6 presses part of the waterproof roll material layer 4 in the upper annular groove 51, and the lower annular pressing block 7 presses part of the waterproof roll material layer 4 in the lower annular groove 21, so as to sufficiently reduce the probability of the rainwater seeping from the gap between the waterproof roll material layer 4 and the inner surface of the parapet wall 2, and ensure the waterproof performance of the roof waterproof structure.
[0046] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the technical scheme under the idea of the present application all belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the present application, some improvements and decorations, these improvements and decorations should also be considered as the protection scope of the present application.
Claims
1. A waterproofing structure for a building roof, characterized by: The waterproof paint layer (3) is coated on the top of the roof (1) and the inner surface of the parapet wall (2), and the waterproof roll layer (4) is laid on the surface of the waterproof paint layer (3); the top of the parapet wall (2) is provided with an annular protruding edge (5) protruding towards the top of the roof (1); the bottom of the annular protruding edge (5) is provided with an upper annular groove (51) for accommodating the waterproof roll layer (4); the upper annular groove (51) is provided with an upper annular pressing block (6) for pressing the waterproof roll layer (4); the inner wall of the parapet wall (2) is provided with a lower annular groove (21) for accommodating the waterproof roll layer (4) near the top of the roof (1); and the lower annular groove (21) is provided with a lower annular pressing block (7) for pressing the waterproof roll layer (4).
2. The building roof waterproof structure according to claim 1, characterized in that: The top of the annular protruding edge (5) is provided with an inner hexagonal bolt (52) penetrating through the annular protruding edge (5) in a clearance fit; the lower end of the inner hexagonal bolt (52) penetrates through the waterproof paint layer (3) and the waterproof roll layer (4) in sequence and is threadedly connected with the top of the upper annular pressing block (6); a plurality of inner hexagonal bolts (52) are provided; and the top of the annular protruding edge (5) is provided with a containing hole for containing the head of the inner hexagonal bolt (52).
3. The building roof waterproof structure according to claim 2, characterized in that: The top of the parapet wall (2) and the top of the annular protruding edge (5) and the inner wall of the annular protruding edge (5) are all provided with a waterproof paint layer (8); and the waterproof paint layer (8) on the top of the parapet wall (2) and the top of the annular protruding edge (5) is jointly provided with a protective top plate (9).
4. The building roof waterproof structure according to claim 2, characterized in that: The cross section of the upper annular pressing block (6) is inverted T-shaped; and the top of the horizontal section of the upper annular pressing block (6) is matched with the bottom of the annular protruding edge (5) and abuts against the waterproof roll layer (4).
5. A building roof waterproof structure according to claim 4, characterized in that: The lower annular pressing block (7) is composed of four rod bodies (71) which are closed and abutted; the corner of the lower annular pressing block (7) is provided with a connecting piece (10) for connecting adjacent rod bodies (71); the connecting piece (10) comprises a connecting inclined rod (101) and a connecting plate (102) integrally formed at the end of the connecting inclined rod (101); the connecting plate (102) is provided with two connecting plates (102) located at the two ends of the connecting inclined rod (101); a fastening bolt (1021) penetrating through the connecting plate (102) in a clearance fit is provided on each connecting plate (102); and the end of the fastening bolt (1021) is threadedly connected with the side wall of the rod body (71).
6. The building roof waterproof structure according to claim 4, characterized in that: The waterproof roll layer (4) on the top of the roof (1) is laid with ceramic tiles (11).
7. The building roof waterproof structure according to claim 4, characterized in that: The side wall of the parapet wall (2) is provided with a drain pipe (22) near the top of the roof (1); and waterproof cement strips are provided at the intersections between the drain pipe (22), the side wall of the parapet wall (2) and the waterproof roll layer (4).
8. The building roof waterproof structure according to claim 4, characterized in that: The top of the roof (1) is provided with a leveling layer (12) between the top of the roof (1) and the waterproof paint layer (3).
9. The building roof waterproof structure according to claim 4, characterized in that: The waterproof paint layer (3) comprises a first paint layer (31) and a second paint layer (32) which are sequentially arranged from the top of the roof (1) downward or sequentially arranged from the parapet wall (2) to the top of the roof (1).
Citation Information
Patent Citations
Roof waterproof tool
CN219138166U