Expansion joint structure of inverted waterproof roof

Abstract

An expansion joint structure of an inverted waterproof roof comprises a first waterproof roof block and a second waterproof roof block which are adjacent to each other, a spacing space is formed between the first waterproof roof block and the second waterproof roof block, and the expansion joint structure further comprises a drainage groove. A first expansion joint connecting block and a second expansion joint connecting block are arranged on the first waterproof roof block and the second waterproof roof block in an anchoring mode respectively, elastic clamping grooves with downward openings are fixedly formed in the opposite extending edges of the first expansion joint connecting block and the second expansion joint connecting block, and clamping ribs are fixedly arranged on the top edges of the two groove walls of the drainage groove. The drainage groove is formed in the interval space between the first waterproof roof block and the second waterproof roof block and clamped in the elastic clamping grooves of the two expansion joint connecting blocks through clamping ribs on the two groove walls, and the two ends of the drainage groove communicate with the drainage gutters on the corresponding sides. The drainage structure is simple in structure, convenient to construct and capable of timely and rapidly draining water and avoiding rainwater seepage.

Description

TECHNICAL FIELD

[0001] The utility model relates to building structure field especially inverted waterproof roof expansion joint structure. BACKGROUND

[0002] At present, inverted waterproof roof is arranged on reinforced concrete roof, and drainage eaves is arranged on both sides of the inverted waterproof roof for quickly draining roof water, the inverted waterproof roof is arranged as a plurality of blocks along the length direction of the drainage eaves, and expansion joints are arranged between adjacent waterproof roof blocks.

[0003] The inverted waterproof roof with the structure can evaporate the rainwater entering the expansion joint naturally under the condition of a small amount of rainwater, but in heavy rain, excessive rainwater penetrates downward to the reinforced concrete roof through the expansion joint, which easily causes roof leakage.

[0004] Therefore, it is an urgent problem for those skilled in the art to design an expansion joint structure for the inverted waterproof roof which can effectively prevent water penetration. SUMMARY

[0005] The utility model discloses a kind of inverted waterproof roof expansion joint structures, and its structure is simple, construction is convenient, can drain promptly and quickly, avoid rainwater penetration.

[0006] The technical scheme of the utility model is: a kind of inverted waterproof roof expansion joint structure, including adjacent first waterproof roof block, second waterproof roof block, first waterproof roof block, second waterproof roof block have spacing space between them, further including drainage groove, first waterproof roof block, second waterproof roof block are respectively anchored and arranged with first expansion joint connecting block, second expansion joint connecting block, the opposite extending edge of first expansion joint connecting block, second expansion joint connecting block is fixedly set with the elastic card slot of opening downwards, two groove walls top edges of the drainage groove are fixedly set with clamping rib, the drainage groove is arranged in the spacing space between first waterproof roof block, second waterproof roof block, and is respectively clamped in the elastic card slot of two expansion joint connecting blocks by the clamping rib on two groove walls, and drainage groove both ends are communicated with corresponding side drainage eaves.

[0007] Further including cover plate, the cover plate is detachably installed above drainage groove, and forms shelter to drainage groove.

[0008] The bottom of the cover plate is provided with two rubber strips, corresponding to the elastic card slot on first expansion joint connecting block and second expansion joint connecting block respectively.

[0009] The drain groove is provided with at least two upward extending connecting columns, the cover plate is provided with downward extending connecting blind holes, the number of the blind holes is same as that of the connecting columns, the cover plate is matched with the connecting columns through the blind holes to form detachable connection.

[0010] The first expansion joint connecting block is flush with the first waterproof roof block, and the second expansion joint connecting block is flush with the second waterproof roof block.

[0011] The first waterproof roof block and the second waterproof roof block are both two-step ladder blocks, the first expansion joint connecting block and the second expansion joint connecting block are respectively anchored on the first-step ladder faces of the first waterproof roof block and the second waterproof roof block and are flush with the second-step ladder faces.

[0012] An epoxy resin mortar layer is arranged between the first expansion joint connecting block, the second expansion joint connecting block and the first-step ladder faces of the corresponding waterproof roof blocks.

[0013] The above technical scheme has the following beneficial effects:

[0014] 1. The expansion joint structure of the inverted waterproof roof comprises adjacent first waterproof roof blocks and second waterproof roof blocks, has a spacing space between the first waterproof roof blocks and the second waterproof roof blocks, and is provided with a waterproof layer of a conventional reinforced concrete roof. The structure further comprises a drain groove for shielding and enclosing the adjacent two waterproof roof blocks and quickly draining accumulated water. The first waterproof roof blocks and the second waterproof roof blocks are respectively provided with the first expansion joint connecting blocks and the second expansion joint connecting blocks, that is, the first expansion joint connecting blocks and the second expansion joint connecting blocks are respectively fixed on the corresponding waterproof roof blocks and are displaced with the waterproof roof blocks in a small range. The opposite extending edges of the first expansion joint connecting blocks and the second expansion joint connecting blocks are respectively fixedly provided with elastic clamping grooves with downward openings. The two groove wall top edges of the drain groove are fixedly provided with clamping ribs. The drain groove is arranged in the spacing space between the first waterproof roof blocks and the second waterproof roof blocks and is clamped in the elastic clamping grooves of the two expansion joint connecting blocks through the clamping ribs on the two groove walls, that is, the spacing space between the adjacent first waterproof roof blocks and the second waterproof roof blocks is shielded by the first expansion joint connecting blocks, the drain groove and the second expansion joint connecting blocks, and the face-to-face contact between the clamping ribs of the drain groove and the elastic clamping grooves of the expansion joint connecting blocks can ensure the sealing performance between the expansion joint connecting blocks and the drain groove. In addition, the groove walls of the drain groove can rotate at a certain angle relative to the expansion joint connecting blocks, so that the small range of displacement of the waterproof roof blocks on both sides is adapted through the deformation of the drain groove. The two ends of the drain groove are communicated with the corresponding edge drain gutters, so that the rainwater collected in the drain groove is quickly drained through the drain gutters, meeting the drainage requirements of the inverted waterproof roof.

[0015] 2. Further comprising a cover plate, which is detachably installed above the drainage groove to shield the drainage groove, so as to reduce the amount of rainwater entering the drainage groove, and the excess rainwater flows to the matched drainage gutter through the waterproof roof block, thereby reducing the drainage load of the drainage groove.

[0016] 3. The bottom surface of the cover plate is provided with two rubber strips corresponding to the elastic clamping grooves on the first expansion joint connecting block and the second expansion joint connecting block, so as to improve the shielding effect of the cover plate on the drainage groove and reduce the amount of rainwater entering the drainage groove.

[0017] 4. An epoxy resin mortar layer is arranged between the first expansion joint connecting block, the second expansion joint connecting block and the corresponding first-level stepped surface of the waterproof roof block, so as to further improve the sealing effect between the expansion joint connecting blocks and the waterproof roof block and reduce the penetration amount of rainwater.

[0018] The application will be further described in combination with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Fig. 1 is a position diagram of the first waterproof roof block and the second waterproof roof block of the present application;

[0020] Figure 2 Fig. 2 is a structural diagram of the present application.

[0021] In the drawings, 1 is the first waterproof roof block, 2 is the second waterproof roof block, 3 is the spacing space, 4 is the drainage groove, 41 is the connecting column, 5 is the first expansion joint connecting block, 6 is the second expansion joint connecting block, 7 is the elastic clamping groove, 8 is the clamping rib, 9 is the cover plate, 91 is the rubber strip, 92 is the connecting blind hole, and 10 is the epoxy resin mortar layer. DETAILED DESCRIPTION

[0022] Referring to Figure 1 and Figure 2The utility model provides an embodiment of inverted waterproof roof expansion joint structure, and the inverted waterproof roof expansion joint structure comprises a first waterproof roof block 1 and a second waterproof roof block 2, and a spacing 3 is formed between the first waterproof roof block 1 and the second waterproof roof block 2, and the number of the first waterproof roof block and the second waterproof roof block is obviously multiple, and the first waterproof roof block and the second waterproof roof block can be designed and installed according to the building design standard, and further comprising a drainage groove 4, wherein the first waterproof roof block 1 and the second waterproof roof block 2 are respectively provided with a first expansion joint connecting block 5 and a second expansion joint connecting block 6, the first expansion joint connecting block 5 and the second expansion joint connecting block 6 are respectively provided with elastic clamping grooves 7 with downward openings, the first expansion joint connecting block 5 is flush with the first waterproof roof block 1, the second expansion joint connecting block 6 is flush with the second waterproof roof block 2, and specifically, the first waterproof roof block 1 and the second waterproof roof block 2 are both two-step blocks, the first expansion joint connecting block 5 and the second expansion joint connecting block 6 are anchored on the first-step surfaces of the first waterproof roof block and the second waterproof roof block and flush with the second-step surfaces, and an epoxy resin mortar layer 10 is arranged between the first expansion joint connecting block 5, the second expansion joint connecting block 6 and the first-step surfaces of the corresponding waterproof roof blocks to ensure the sealing performance between the expansion joint connecting blocks and the waterproof roof blocks, the two groove wall top edges of the drainage groove 4 are fixedly provided with clamping ribs 8, and specifically, the clamping ribs are integrally formed on the groove wall top edges, the drainage groove 4 is arranged in the spacing 3 between the first waterproof roof block and the second waterproof roof block, and the clamping ribs 8 on the two groove walls are clamped in the elastic clamping grooves 7 of the two expansion joint connecting blocks respectively, and the two ends of the drainage groove 4 are communicated with the corresponding edge drainage gutters.

[0023] Further, in order to reduce the amount of rainwater in the drainage groove, a cover plate 9 is further arranged above the drainage groove 4 to shield the drainage groove, and specifically, the bottom surface of the cover plate 9 is provided with two rubber strips 91 corresponding to the elastic clamping grooves on the first expansion joint connecting block and the second expansion joint connecting block, the drainage groove 4 is provided with at least two upward extending connecting columns 41, the cover plate is provided with downward extending connecting blind holes 92, the number of the connecting blind holes is the same as that of the connecting columns, and the cover plate is detachably connected with the connecting columns through the connecting blind holes.

[0024] The working principle of the utility model is as follows: under normal circumstances, the cover plate covers the groove of the drainage groove to form a shield, when it rains, rainwater flows into the matched drainage gutter through the waterproof roof block and is quickly drained, a small amount of rainwater in the drainage groove is communicated with the drainage gutter and is drained into the drainage gutter to avoid water accumulation in the drainage groove.

Claims

1. A structure of expansion joint for inverted waterproof roof, comprising adjacent first waterproof roof block (1), second waterproof roof block (2), and having spacing space (3) between the first waterproof roof block (1) and the second waterproof roof block (2), characterized in that: Further comprising a drainage groove (4), The first waterproof roof block (1) and the second waterproof roof block (2) are respectively anchored with a first expansion joint connecting block (5) and a second expansion joint connecting block (6), and the opposite extending edges of the first expansion joint connecting block (5) and the second expansion joint connecting block (6) are fixedly provided with elastic clamping grooves (7) with downward openings, The two groove wall top edges of the drainage groove (4) are fixedly provided with clamping ribs (8), The drainage groove (4) is arranged in the spacing space (3) between the first waterproof roof block and the second waterproof roof block, and is clamped in the elastic clamping grooves (7) of the two expansion joint connecting blocks through the clamping ribs (8) on the two groove walls, and the two ends of the drainage groove (4) are communicated with the corresponding edge drainage gutters.

2. The expansion joint structure for inverted waterproof roof according to claim 1, characterized in that: Further comprising a cover plate (9) which is detachably mounted above the drainage groove (4) to shield the drainage groove.

3. The expansion joint structure for inverted waterproof roof according to claim 2, characterized in that: The bottom surface of the cover plate (9) is provided with two rubber strips (91) corresponding to the elastic clamping grooves on the first expansion joint connecting block and the second expansion joint connecting block.

4. The expansion joint structure for inverted waterproof roof according to claim 2, characterized in that: The drainage groove (4) is provided with at least two upward extending connecting columns (41), and the cover plate is provided with downward extending connecting blind holes (92), and the number of blind holes is the same as the number of connecting columns, and the cover plate is detachably connected with the connecting columns through the blind holes.

5. The expansion joint structure for inverted waterproof roof according to claim 1, characterized in that: The first expansion joint connecting block (5) is flush with the first waterproof roof block (1), and the second expansion joint connecting block (6) is flush with the second waterproof roof block (2).

6. The expansion joint structure for inverted waterproof roof according to claim 5, characterized in that: The first waterproof roof block (1) and the second waterproof roof block (2) are both two-step ladder blocks, the first expansion joint connecting block (5) and the second expansion joint connecting block (6) are anchored on the first-step ladder faces of the first waterproof roof block and the second waterproof roof block respectively, and are flush with the second-step ladder faces.

7. The expansion joint structure for inverted waterproofing roof according to claim 6, characterized in that: An epoxy mortar layer (10) is arranged between the first expansion joint connecting block (5), the second expansion joint connecting block (6) and the corresponding first-step ladder face of the waterproof roof block.

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