Waterproof structure of through-wall pipe

Abstract

The utility model relates to waterproof structure technical field discloses wall -penetrating pipe waterproof structure, including wall body and wall -penetrating pipeline, and the wall body has pre -buried water stop sleeve, and the water stop sleeve includes the pipe body and water stop ring, and water stop ring fixedly arranged in the outside of pipe body and is close to pipe body middle part position department, and the wall -penetrating pipeline is inserted in the inside of pipe body, and the waterproof mortar layer is arranged between pipe body and wall -penetrating pipeline, and the waterproof mortar layer carries out complete filling to the gap between pipe body and wall -penetrating pipeline, sets up the waterproof mortar layer between pipe body and wall -penetrating pipeline, blocks liquid water penetration path, resists weak acid / alkali medium erosion, protects reinforced concrete structure, sets up the sealing layer at pipe body and wall -penetrating pipeline and outside contact end department, to realize the sealing between wall -penetrating pipeline and water stop sleeve, and then will wall -penetrating pipeline and water stop sleeve's junction with outside insulate, avoid outside moisture erosion, prevent the leakage between water stop sleeve and wall body simultaneously, further improve waterproof effect.

Claims

1. A waterproof structure for through-wall pipes, comprising a wall (1) and a through-wall pipe (2), characterized in that, A water-stop sleeve (3) is pre-embedded in the wall (1). The water-stop sleeve (3) includes a pipe body (31) and a water-stop ring (32). The water-stop ring (32) is fixedly installed on the outside of the pipe body (31) and close to the middle of the pipe body (31). The through-wall pipe (2) is inserted into the inside of the pipe body (31). A waterproof mortar layer (4) is provided between the pipe body (31) and the through-wall pipe (2). The waterproof mortar layer (4) completely fills the gap between the pipe body (31) and the through-wall pipe (2). A sealing layer (5) is provided at the contact end between the pipe body (31) and the through-wall pipe (2) and the outside.

2. The waterproof structure for through-wall pipes as described in claim 1, characterized in that, A first waterproof layer (6) is provided at the connection between the wall (1) and the through-wall pipe (2). The first waterproof layer (6) is provided at a point 250mm outward from the wall (1) starting from the through-wall pipe (2) and at a point 250mm outward from the wall surface starting from the wall surface.

3. The waterproof structure for through-wall pipes as described in claim 2, characterized in that, A second waterproof layer (7) is provided around the first waterproof layer (6), and the coverage area of ​​the second waterproof layer (7) is greater than the coverage area of ​​the first waterproof layer (6).

4. The waterproof structure for through-wall pipes as described in claim 2, characterized in that, Both the first waterproof layer (6) and the second waterproof layer (7) are polyurethane coatings.

5. The waterproof structure for through-wall pipes as described in claim 1, characterized in that, Before applying the first waterproof layer (6) and the second waterproof layer (7), the wall surface at the connection between the wall (1) and the through-wall pipe (2) is roughened.

6. The waterproof structure for through-wall pipes as described in claim 1, characterized in that, The water-stop sleeve (3) also includes two flange covers (33), which are arranged in a ring and are respectively located at both ends of the pipe body (31) and in contact with the two end walls of the wall body (1).

7. The waterproof structure for through-wall pipes as described in claim 6, characterized in that, The two flange covers (33) are detachably connected to the pipe body (31), and the flange covers (33) are fixed to the wall (1) by bolts.

8. The waterproof structure for through-wall pipes as described in claim 6 or 7, characterized in that, Both flange covers (33) are provided with sealing rings (34) at their close ends, and the sealing rings (34) are made of rubber.

9. The waterproof structure for through-wall pipes as described in claim 1, characterized in that, The sealing layer (5) consists of an asphalt hemp fiber layer (51) and an asbestos cement layer (52) from the inside out.

10. The waterproof structure for through-wall pipes as described in claim 9, characterized in that, The asbestos cement layer (52) is provided with a polyurethane sealant layer (53) on the outside.

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