CN209837508U - Roof threshold flashing structure - Google Patents

Abstract

The utility model discloses a roofing threshold flashing structure has solved the lower problem of present stage roofing threshold flashing structure life. Its technical scheme main points are roofing threshold flashing structure, including threshold and waterproof layer, threshold top surface, threshold side and roofing are laid to the waterproof layer, still be provided with the coping piece that compresses tightly the waterproof layer on the threshold, the one end of coping piece flushes and the top formation extension that the other end extends to the roofing with the inboard of threshold, the junction of threshold side and waterproof layer is equipped with sealed cream strip, and the roofing still is equipped with composite surface layer on the waterproof layer, thereby has promoted the life of whole roofing threshold flashing structure through the setting of coping piece.

Description

Roof threshold flashing structure

Technical Field

The utility model belongs to the building structure especially relates to a roofing threshold flashing structure.

Background

The roof of a building is generally provided with a threshold to prevent outdoor rainwater from flowing into the room, and a flashing structure is generally arranged between the threshold and the roof in order to improve the waterproof capability of the joint of the threshold and the roof. The flashing structure at the present stage is generally that a layer of waterproof material is laid on the top surface, the outer side wall and the roof of the doorsill, but in the long-term use process of the flashing structure, the waterproof material on the top surface of the doorsill can be rolled, and the waterproof effect of the whole flashing structure is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a roofing threshold flashing structure, roofing threshold flashing structure's life is comparatively ideal.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a roofing threshold flashing structure, includes threshold and waterproof layer, threshold top surface, threshold side and roofing are laid to the waterproof layer, still be provided with the coping piece that compresses tightly the waterproof layer on the threshold, the one end of coping piece flushes and the top that the other end extends to the roofing forms the extension with the inboard of threshold, the junction of threshold side and waterproof layer is equipped with sealed cream strip, and the roofing still is equipped with compound surface course on the waterproof layer.

Through adopting above-mentioned technical scheme, the composite surface layer compresses tightly the waterproof layer on the roofing, and presses the kicking block to compress tightly the waterproof layer at the threshold top surface, has reduced the waterproof layer that is located the threshold top surface and has taken place the probability of rolling up to roofing threshold flashing structure's life has been prolonged. Wherein, the formation of extension helps protecting sealed cream strip on the coping piece to reduce the rainwater and enter into the waterproof layer and the probability between the coping piece bottom surface, help promoting the cooperation intensity between coping piece and the waterproof layer.

The utility model discloses further set up to, compound surface course includes heat preservation and cement surface course, still is equipped with the caulking paste strip between cement surface course and the waterproof layer that is located the threshold side.

Through adopting above-mentioned technical scheme, the setting of caulking paste strip can promote the fixed to the waterproof layer, can reduce the probability that the rainwater enters into in the clearance between heat preservation and the waterproof layer, also helps promoting the waterproof performance of whole roofing threshold flashing structure.

The utility model discloses further set up to, the caulking cream strip has the circular arc lead angle with rainwater direction cement surface course, just one side that cement surface course and caulking cream strip link to each other has along keeping away from the lead surface of caulking cream strip direction downward sloping.

Through adopting above-mentioned technical scheme, the circular arc lead angle of caulking paste strip and the setting of the water guide face on cement surface course can lead away the junction of threshold and roofing with the rainwater, help promoting the waterproof performance of whole roofing threshold flashing structure.

The utility model discloses further set up as, the bottom of extension is equipped with the vertical waterproof board of arranging along its length direction, the thickness that highly is greater than sealed cream strip of waterproof board.

Through adopting above-mentioned technical scheme, the setting up of waterproof board can reduce the rainwater volume that the rainwater directly impacted sealed cream strip in wind and rain weather to help prolonging the life of sealed cream strip, thereby help promoting the waterproof layer and press the joint strength between the kicking block.

The utility model discloses further set up to, waterproof board demountable installation is in the bottom of extension, and the last border of waterproof board is equipped with the fixed column and is equipped with the location screw at the fixed column along its length direction interval, the extension is offered in its bottom and is supplied fixed column male fixed blind hole, and the extension is offered on its side of keeping away from the threshold with fixed blind hole intercommunication and with the location counter bore relative of location screw, the extension be provided with in the counter bore of location with location screw thread fit's set screw.

Through adopting above-mentioned technical scheme, above-mentioned structure has realized the demountable installation structure of waterproof board on the kicking block, because the waterproof board sets up on the bottom surface of extension piece, people are at the in-process of walking, the probability of mentioning the waterproof board exists, consequently can in time change the waterproof board after the waterproof board takes place to damage, thereby keep the waterproof board to the protective effect of sealed cream strip, help prolonging the life of sealed cream strip, thereby it is long when extension roofing threshold flashing structure has water-proof effects.

The utility model discloses further set up to, the extension still is equipped with the waterproof apron that closes set screw's screwhead lid in location counter sink department.

Through adopting above-mentioned technical scheme, the rainwater volume that enters into in the location counter sink can be reduced in the setting of waterproof apron to help prolonging set screw's life.

The utility model discloses further set up as, the transversal wavy of personally submitting of waterproof board.

Through adopting above-mentioned technical scheme, the transversal wavy of personally submitting of waterproof board helps improving the structural strength of waterproof board, also can promote the waterproof board to the cushioning effect of rainwater, reduces the speed of dripping when assaulting subaerial.

The utility model discloses further set up to, the bottom of waterproof board has water guide portion, water guide portion is towards keeping away from threshold direction downward sloping.

Through adopting above-mentioned technical scheme, the junction of threshold and roofing can conveniently be led away to the rainwater in the setting of water guide portion, helps reducing the waterproof pressure of roofing threshold flashing structure to promote the waterproof performance of roofing threshold flashing structure, prolong its life.

The utility model discloses further set up to, the width of caulking cream strip is not less than 25 mm.

To sum up, the utility model discloses following beneficial effect has:

1. according to the roof threshold flashing structure, the top surface of the threshold is provided with the top pressing block for pressing the waterproof layer tightly, and the society only has the extending part for protecting the sealing paste strip, so that the effective service life of the roof threshold flashing structure is prolonged, and the waterproof effect of the roof threshold flashing structure can be improved;

2. the arrangement of the arc guide angle of the caulking paste strip and the water guide surface of the cement surface layer can improve the waterproof performance of the roof threshold flashing structure;

3. the waterproof board can protect sealed cream strip, prolongs the life of sealed cream strip to help prolonging the life of whole roofing threshold flashing structure.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a point a in fig. 1.

In the figure: 1. a threshold; 2. a waterproof layer; 3. pressing a top block; 31. an extension portion; 32. fixing the blind hole; 33. positioning the counter bore; 4. a roof; 41. leveling layer; 51. an inorganic heat-insulating mortar layer; 52. a heat-insulating layer; 53. a cement surface layer; 531. a water guide surface; 6. caulking plaster strips; 61. arc lead angle; 7. sealing the paste strip; 8. a waterproof sheet; 81. fixing a column; 811. positioning the screw hole; 812. a set screw; 82. a water guide part; 9. waterproof apron.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to the attached figure 1, the roof threshold flashing structure comprises a threshold 1 arranged on a roof 4, a waterproof layer 2 and a top pressing block 3. The threshold 1 is rectangular, one side of the threshold 1 is indoor, and the other side of the threshold 1 is outdoor. The outdoor roof 4 is laid with a leveling layer 41.

The waterproof layer 2 is laid on the top surface of the doorsill 1, the side surface of the doorsill 1 facing outdoors and the outdoor roof 4. Wherein, lay one deck inorganic heat preservation mortar layer 51 between waterproof layer 2 and threshold 1 side for support and level the waterproof layer 2, also can promote threshold 1's thermal insulation performance.

The composite surface layer is laid on the top of the waterproof layer 2 of the outdoor roof 4, the composite surface layer sequentially comprises a heat-insulating layer 52 and a cement surface layer 53 from bottom to top, and a caulking paste strip 6 is further arranged between the cement surface layer 53 and the waterproof layer 2 on the side face of the doorsill 1. In this embodiment, the width of the caulking paste strip 6 is 30 cm.

Wherein, the caulking plaster strip 6 is provided with an arc lead angle 61 for guiding rainwater to the cement surface layer 53, and one side of the cement surface layer 53 connected with the caulking plaster strip 6 is provided with a water guide surface 531 inclined downwards along the direction far away from the caulking plaster strip 6. The setting of the circular arc lead angle 61 of the caulking paste strip 6 and the water guide surface 531 of the cement surface layer 53 can guide rainwater away from the direction of the doorsill 1, reduce the flashing pressure of the flashing structure of the roof doorsill, and thus the service life of the flashing structure of the roof doorsill can be prolonged.

The top pressing block 3 is arranged at the top of the doorsill 1 and tightly presses the waterproof layer 2 at the top of the doorsill 1, one end side face of the top pressing block 3 is flush with the indoor side face of the doorsill 1, and the other end of the top pressing block 3 extends to the upper side of the outdoor roof 4 to form an extending portion 31. Wherein, the connection of the side of the doorsill 1 and the waterproof layer 2 is provided with a sealing paste strip 7.

Referring to fig. 1 and 2, the bottom of the extension 31 is provided with a waterproof sheet 8 arranged vertically along the length thereof. The flashing 8 is detachably mounted to the bottom of the extension 31. Wherein, the last border of waterproof board 8 is equipped with fixed column 81 along its length direction interval and is equipped with location screw 811 at fixed column 81. The bottom of the extending portion 31 is provided with a fixing blind hole 32 for inserting the fixing column 81, and the side surface of the extending portion 31 away from the doorsill 1 is provided with a positioning counter bore 33 which is communicated with the fixing blind hole 32 and is opposite to the positioning screw hole 811. The extension 31 is further provided with a set screw 812 threadedly engaged with the set screw hole 811 and a waterproof cover plate 9 for covering the screw head of the set screw 812 in the set counterbore 33.

Wherein, the cross section of waterproof board 8 is wavy, and the height of waterproof board 8 is greater than the thickness of sealed cream strip 7, and in order to reduce the rainwater volume of flowing to roofing threshold flashing structure, the bottom of waterproof board 8 has water guide 82, and water guide 82 is towards keeping away from threshold 1 downward sloping.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (9)

1. The utility model provides a roofing threshold flashing structure, includes threshold (1) and waterproof layer (2), lay in threshold (1) top surface, threshold (1) side and roofing (4) waterproof layer (2), its characterized in that, still be provided with on threshold (1) and compress tightly waterproof layer (2) top piece (3), the one end of top piece (3) flushes and the top that the other end extends to roofing (4) forms extension (31) with the inboard of threshold (1), the junction of threshold (1) side and waterproof layer (2) is equipped with sealed cream strip (7), and roofing (4) still are equipped with compound surface course on waterproof layer (2).

2. The roof sill flashing structure according to claim 1, wherein the composite surface layer comprises an insulating layer (52) and a cement surface layer (53), and a caulking paste strip (6) is arranged between the cement surface layer (53) and the waterproof layer (2) on the side surface of the sill (1).

3. A roof threshold flashing structure according to claim 2, characterized in that the caulking compound strips (6) have rounded leading corners (61) for leading rainwater to the cement surface layer (53), and that the side of the cement surface layer (53) to which the caulking compound strips (6) are attached has a water leading surface (531) sloping downwards in a direction away from the caulking compound strips (6).

4. A roof threshold flashing structure according to claim 3, characterized in that the bottom of the extension (31) is provided with a vertically arranged flashing (8) along its length, the height of the flashing (8) being greater than the thickness of the sealing mastic strip (7).

5. The flashing structure of the roof doorsill as claimed in claim 4, wherein the waterproof plate (8) is detachably mounted at the bottom of the extension portion (31), the upper edge of the waterproof plate (8) is provided with fixing columns (81) at intervals along the length direction of the waterproof plate and positioning screw holes (811) are formed in the fixing columns (81), the bottom of the extension portion (31) is provided with fixing blind holes (32) for the fixing columns (81) to be inserted into, the side surface of the extension portion (31) far away from the doorsill (1) is provided with positioning counter bores (33) which are communicated with the fixing blind holes (32) and are opposite to the positioning screw holes (811), and the positioning screws (812) which are in threaded fit with the positioning screw holes (811) are arranged in the positioning counter bores (33) of the extension portion (31).

6. A flashing structure for a roof threshold according to claim 5, characterized in that the extension (31) is further provided with a waterproof cover plate (9) at the location of the positioning counter bore (33) for covering the screw head of the positioning screw (812).

7. A roof sill flashing structure according to claim 6, characterised in that the flashing (8) is wave-shaped in cross-section.

8. The roof sill flashing structure of claim 7, wherein the bottom of the flashing (8) has a water conducting portion (82), the water conducting portion (82) being inclined downwardly away from the sill (1).

9. A roof sill flashing structure according to claim 2, characterised in that the width of the caulking strips (6) is not less than 25 mm.